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Jupiter, Saturn & Beyond : New Dwarf Planets Found

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Jupiter, Saturn & Beyond : New Dwarf Planets Found

Out to the Kuiper Belt & the Oort Cloud

Original Title:

Three New Planets ?? Ceres, Chiron, etc. ???

Or more than that? / this is confusing

=====================

Three New Planets?

by Sandrine Ceurstemont

Get this: there is no scientific definition for a planet. And if you have a clever slogan to remember the names of the planets in our solar system, then very soon you may need a new one. After some debate over whether Pluto is a planet or not, astronomers have decided that it should remain - but that three new objects also deserve planet status.

dwarf-orbits.jpg

Our new solar system? At a meeting of the International Astronomical Union next week, astronomers will decide on the definition of a planet and whether or not three new bodies should be classified as planets.

Shocking though it may be, astronomers have never had a very specific definition for a planet. It was accepted that a planet was 'a non-luminous object orbiting a star' and when people were observing the skies with their eyes, or low-powered telescopes, it was quite obvious what fit this description. But more recently, with astronomers using very high-powered telescopes, asteroids and comets have been observed in our solar system that could also fit the current definition of a planet.

The subject became even more relevant in 2003 when an object was discovered in our solar system that was actually bigger than Pluto! Located further from the sun than Pluto, it was the largest object found since the discovery of Neptune in 1846. Should this new object, called 2003 UB313 and nicknamed Xena, also be classified as a planet or should Pluto be demoted?

The first step was to come up with defining criteria for a planet, which the International Astronomical Union (IAU) has been mulling over for the past two years. A new definition has been proposed this week which states that a planet must meet two conditions: it must orbit a star without being a star itself, and it must be big enough for gravity to pull it into a spherical shape.

There are currently three known objects that would meet these new criteria: a spherical asteroid between Mars and Jupiter called Ceres, Pluto's moon called Charon, and Xena. Astronomers are also proposing to have two different classes of planets: the eight classical ones and the four smaller ones which would be called plutons.

p1135_ed77069b38b89947b9f6e5678e9af2adkuiper_pluton.jpg

>from, continues: http://www.firstscience.com/site/editor/01...gs_17082006.asp

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We need a 'Planet Tom'.

 

Just regular old 'Tom'.

One that everyone can see, but nobody really pays any attention to.

I can picture it now. The host of a boring party tries to start a conversation -

Host - "Look, theres planet Tom"

Guests - "Oh yeah....anyway what was I saying....the last time we has this much wine we were..."

 

Planet Tom. You know about it but dont really give a shit.

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Red Stuff, The 78' and 55'

A film about the first real explorers of the universe, the Russian cosmonauts

 

The Red Stuff is a film about the first real explorers of the cosmos, the 'Eaglets', from the early years of Russian space travel. Russia had one succes after another and its space programme was streets ahead of their arch rivals, the Americans.This is the story of the Russian space pioneers, their competitiveness, the dangers they faced in training and the risks taken to keep ahead of the Americans. We see the bravery of these cosmonauts revealed by unique archive material.

 

@: http://www.npbsales.com/?article=1574&template=program

 

(not Ready Yet??)

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It's a dog's life.

 

In 1957 the Russians put Laika the dog into orbit, the first space pioneer? Unfortunately for Laika it was a one way trip.

 

The Soviet authorities said Laika died painlessly after a week in orbit but in 2002 new evidence revealed the dog died from over-heating and panic just a few hours after take-off.

 

Laika's "coffin" burned up in the Earth's atmosphere over Barbados on 14 April 1958, five months after launch.

 

_39458285_laika238.jpg

 

http://news.bbc.co.uk/onthisday/hi/dates/s...000/3191083.stm

 

Perhaps they should name one of these new planets after poor old Laika?

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Pluto, Ejected From Planet Club, Remains on Astrologers' Charts

 

By Vivien Lou Chen

 

Aug. 25 (Bloomberg) -- Astronomers have banished Pluto to second-class status. Not so astrologists: They're sticking up for the celestial body that had been the smallest planet in our solar system for 76 years.

 

``I'm going to continue using it,'' said Wall Street's best-known astrologer, Arch Crawford, who has studied the effect of the planets on the Dow Jones Industrial Average. ``They can stick it where the sun don't shine,'' Crawford, 65, said.

 

The International Astronomical Union's decision yesterday to relegate Pluto to the status of ``dwarf'' planet makes no difference to astrologers, who use planetary positions to predict earthly and human events. About 31 percent of Americans believe in astrology, according to a 2003 Harris Poll of 2,201 adults.

 

Americans spend about $200 million a year on astrology, said Stephanie Jean Clement, a director at the American Federation of Astrologers in Tempe, Arizona. Former First Lady Nancy Reagan relied on astrologers, including the late Jeane Dixon, during the 1980s to help set the daily schedule for President Ronald Reagan.

 

Discovered by astronomer Clyde Tombaugh in 1930, Pluto is 3.67 billion miles (5.91 billion kilometers) from the sun and is smaller than the moon. It's named for the Greek god of the underworld, or Hades, and often associated with intense energy, transformation and the astrological sign of Scorpio. Until this week, it was counted as one of nine planets in the solar system.

 

`Pluto Works'

 

``Pluto works for me, so you can call it whatever you want,'' said San Francisco-based lawyer and part-time astrologer Eamonn Markham, who charges $125 to $600 an hour to read personal charts. ``It doesn't matter to me whether Pluto is classified as a moon or an asteroid.''

 

Markham, 40, says he uses Pluto to help determine when a major transformation will come into a person's life. ``The information it gives me about someone is very powerful,'' he said.

 

Astrologers charge for compiling personal charts, which use the position of the planets at the time of a client's birth to make conclusions about personality, abilities and the future. Newspapers pay for daily horoscopes, and Amazon.com carries more than 48,000 titles that touch on astrology.

 

Using a number of variables that include the position of the planets, the sun and the moon, Crawford says he predicts the outbreak of World War III will take place some time between Sept. 4 and Sept. 22, most likely on the 4th, 7th, 8th or 22nd.

 

Forget the Scientists

 

``Pluto's station is the underworld, underworld-type figures and activities: drugs, prostitution, terrorism and that which is hidden from corporate view,'' Crawford said in a phone interview. ``What scientists are saying is not going to exclude its effect.''

 

Astrology dates back to the Babylonians, who used charts to predict the recurrence of seasons. It was introduced to the Greeks in the fourth century B.C., and later embraced by the Romans and Arabs. John Pierpont Morgan, one of the wealthiest men in America at the turn of the 20th century, employed a full- time astrologer at his bank, J.P. Morgan & Co.

 

``Everyone wants to speak to an astrologer after a shrink and their friends,'' Markham said. ``We're the last resort.''

 

To contact the reporter on this story: Vivien Lou Chen in San Francisco at vchen1@bloomberg.net

 

@: http://www.bloomberg.com/apps/news?pid=20601109&sid=aEzSuJuMfbjk&refer=home

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Using a number of variables that include the position of the planets, the sun and the moon, Crawford says he predicts the outbreak of World War III will take place some time between Sept. 4 and Sept. 22, most likely on the 4th, 7th, 8th or 22nd.

 

What, this year? I've got a holiday beginning on the 4th and I don't want to be bothered with a bloody world war starting. Negotiating the traffic is bad enough as it is.

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Where's that from??

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What, this year? I've got a holiday beginning on the 4th and I don't want to be bothered with a bloody world war starting. Negotiating the traffic is bad enough as it is.

 

I love astrology - they can divide the entire population into 12 groups and then you get one of 12 decisions about what is going to happen in your life.... Although if you are told what is going to happen then you can influence it (constructively) to make something happen.

 

But astrology is akin to religion for me - it's very funny how people need to believe in something they don't understand or can relate to in order to deal with an inherint fear (death, losing someone, not being in control etc...) or uncertainty about how to live their life or cope with apparent lack of choice we have in our lives.

 

For me it's easier to accept that i don't have power over everything in my life and choose things to be the way they are... (saves going to church every sunday and having to think of somthing to confess about).

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Where's that from??

 

It just seemed to be thrown into that article as a little aside. I am wondering what he is predicting the gold price will be over the same period, Sept 4th to Sept 22nd?

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Saturn's Rings, Moons & Beyond to the Kuiper

Way Out & to the Oort Cloud, strange things are waiting

 

(Original title):

Life on Saturn's Moon? Maybe, just maybe

Talks Carolyn Porco: Could a Saturn moon harbor life?

=====================================

 

Talks Carolyn Porco: First, a Voyage:

 

 

Then, two years later a key question: Could a Saturn moon harbor life?

 

 

About this talk

 

Carolyn Porco shares exciting new findings from the Cassini spacecraft's recent sweep of one of Saturn's moons, Enceladus. Samples gathered from the moon's icy geysers hint that an ocean under its surface could harbor life.

 

About Carolyn Porco:

As the leader of the Imaging Team on the Cassini mission to Saturn, Carolyn Porco interprets and shares the pictures coming back from this fascinating planet, its rings and its moons. Full bio and more links

 

The Solar System is bigger and stranger than we used to think

 

kuiperpluton.jpg

 

The Kuiper belt ( /ˈkaɪpər/, rhyming with "viper"), sometimes called the Edgeworth–Kuiper belt, is a region of the Solar System beyond the planets extending from the orbit of Neptune (at 30 AU) to approximately 50 AU from the Sun. It is similar to the asteroid belt, although it is far larger—20 times as wide and 20 to 200 times as massive. Like the asteroid belt, it consists mainly of small bodies, or remnants from the Solar System's formation. While the asteroid belt is composed primarily of rock, ices, and metal, the Kuiper objects are composed largely of frozen volatiles (termed "ices"), such as methane, ammonia and water. The classical (low-eccentricity) belt is home to at least three dwarf planets: Pluto, Haumea, and Makemake. Some of the Solar System's moons, such as Neptune's Triton and Saturn's Phoebe, are also believed to have originated in the region.

 

kuiperbelt-580x274.jpg

 

This region is located approximately 30 to 50 AU (astronomical units) from the Sun. Each astronomical unit is equivalent to the distance from the Earth to the Sun, so the region is 4.5 billion km to 7.4 billion km from the Sun. Scientists believe that there are over 70,000 objects in the Kuiper Belt, although astronomers have found a fraction so far. Some of these Kuiper Belt objects, KBOs, are massive. In fact, the dwarf planet Pluto is thought to be one of the objects in the Kuiper Belt. Pluto is the largest known KBO, but there are a number of other objects of substantial size. Quaoar is more than half the size of Pluto, and Makemake and Haumea are much closer in size to Pluto. A number of KBOs, including Pluto and Haumea, also have satellites.

 

The Kuiper Belt can be divided into smaller sections. The most densely populated section of the Kuiper Belt is called the classical Kuiper Belt and is located between 42 and 48 astronomical units from the Sun. The region is mostly unaffected by Neptune’s gravitational effect, so the objects there can remain stable in their orbits. The Kuiper Belt’s contents are included in what are known as Trans-Neptunian Objects (TNOs), which are objects that orbit farther from the Sun than Neptune does. Although most comets are thought to come from the Oort Cloud, some do come from the Kuiper Belt.

 

Read more: http://www.universetoday.com/32515/kuiper-belt/#ixzz1zCgRmhCo

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What is the Kuiper belt ? Does it effect us ?

Is Pluto really "no longer a planet" ?

=====================================

 

Pluto is NOT a planet, but it is part of...

 

(THIS will be removed to the Fringe soon - But I wanted to see if there was any interest in it)

 

300px-Outersolarsystem_objectpositions_labels_comp.png

 

The Kuiper belt ( /ˈkaɪpər/, rhyming with "viper"), sometimes called the Edgeworth–Kuiper belt, is a region of the Solar System beyond the planets extending from the orbit of Neptune (at 30 AU) to approximately 50 AU from the Sun.[1] It is similar to the asteroid belt, although it is far larger—20 times as wide and 20 to 200 times as massive.[2][3] Like the asteroid belt, it consists mainly of small bodies, or remnants from the Solar System's formation. While the asteroid belt is composed primarily of rock, ices, and metal, the Kuiper objects are composed largely of frozen volatiles (termed "ices"), such as methane, ammonia and water. The classical (low-eccentricity) belt is home to at least three dwarf planets: Pluto, Haumea, and Makemake. Some of the Solar System's moons, such as Neptune's Triton and Saturn's Phoebe, are also believed to have originated in the region.[4][5]

 

Since the belt was discovered in 1992,[6] the number of known Kuiper belt objects (KBOs) has increased to over a thousand, and more than 70,000 KBOs over 100 km (62 mi) in diameter are believed to exist.[7] The Kuiper belt was initially believed to be the main repository for periodic comets, those with orbits lasting less than 200 years. However, studies since the mid-1990s have shown that the classical belt is dynamically stable, and that comets' true place of origin is the scattered disc, a dynamically active region created by the outward motion of Neptune 4.5 billion years ago;[8] scattered disc objects such as Eris have extremely eccentric orbits that take them as far as 100 AU from the Sun.[nb 1]

 

Pluto is the largest known member of the Kuiper belt, if the scattered disc is excluded. Originally considered a planet, Pluto's position as part of the Kuiper belt has caused it to be reclassified as a "dwarf planet". It is compositionally similar to many other objects of the Kuiper belt, and its orbital period is identical to that of the KBOs known as "plutinos". In Pluto's honour, the four currently accepted dwarf planets beyond Neptune's orbit are called "plutoids"

 

/see: http://en.wikipedia.org/wiki/Kuiper_belt

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NOT to be confused with...

 

The Kuiper belt should not be confused with the hypothesized Oort cloud, which is a thousand times more distant. The objects within the Kuiper belt, together with the members of the scattered disc and any potential Hills cloud or Oort cloud objects, are collectively referred to as trans-Neptunian objects (TNOs).

 

com-oort1.gif

The Oort Cloud* lives ! Or does it ?

 

In 1977, Charles Kowal discovered 2060 Chiron, an icy planetoid with an orbit between Saturn and Uranus. He used a blink comparator; the same device that had allowed Clyde Tombaugh to discover Pluto nearly 50 years before.[17] In 1992, another object, 5145 Pholus, was discovered in a similar orbit.[18] Today, an entire population of comet-like bodies, the centaurs, is known to exist in the region between Jupiter and Neptune. The centaurs' orbits are unstable and have dynamical lifetimes of a few million years.[19] From the time of Chiron's discovery, astronomers speculated that they therefore must be frequently replenished by some outer reservoir.

 

Further evidence for the belt's existence later emerged from the study of comets. That comets have finite lifespans has been known for some time. As they approach the Sun, its heat causes their volatile surfaces to sublimate into space, eating them gradually away. In order to still be visible over the age of the Solar System, they must be frequently replenished.[21] One such area of replenishment is the Oort cloud, the spherical swarm of comets extending beyond 50 000 AU from the Sun first hypothesised by astronomer Jan Oort in 1950.[22] It is believed to be the point of origin for long period comets, those, like Hale-Bopp, with orbits lasting thousands of years.

=== ===

 

*The Oort Cloud

 

The Oort cloud is an immense spherical cloud surrounding the planetary system and extending approximately 3 light years, about 30 trillion kilometres from the Sun. This vast distance is considered the edge of the Sun's orb of physical, gravitational, or dynamical influence.

 

Within the cloud, comets are typically tens of millions of kilometres apart. They are weakly bound to the sun, and passing stars and other forces can readily change their orbits, sending them into the inner solar system or out to interstellar space. This is especially true of comets on the outer edges of the Oort cloud. The structure of the cloud is believed to consist of a relatively dense core that lies near the ecliptic plane and gradually replenishes the outer boundaries, creating a steady state. One sixth of an estimated six trillion icy objects or comets are in the outer region with the remainder in the relatively dense core.

 

In addition to stellar perturbations where another star's Oort cloud passes through or close to the Sun's Oort cloud, are the influences of giant molecular clouds and tidal forces. A giant molecular-cloud is by far more massive than the Sun. It is an accumulation of cold hydrogen that is the birthplace of stars and solar systems. These are infrequently encountered, about every 300-500 million years, but when they are encountered, they can violently redistribute comets within the Oort cloud.

 

/source: http://www.wingmakers.co.nz/The%20Oort%20Cloud.html

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Jan. 19, 2006: NASA’s New Horizons Blasts Off Toward Pluto

By Matt Simon Email Author January 19, 2012

 

new-horizons-nasa.jpg

Photo: NASA

2006: NASA successfully launches the New Horizons probe, beginning a 10-year mission to Pluto and other objects in the Kuiper Belt, a little-studied band of debris from the formation of the Solar System.

. . .

Aboard the nuclear-powered New Horizons are the ashes of Clyde Tombaugh, who discovered Pluto in 1930, as well as myriad instruments, which are charmingly named: Alice, Ralph, REX, LORRI, PEPSSI, SWAP and SDC, for Student Dust Counter, built by college kids who apparently didn’t get the memo about charming names. As the probe approaches Pluto in 2015, these instruments will spend 24 manic, data-packed hours observing the erstwhile “planet” and its moons Charon, Nix, Hydra and S/2011 P1 (the last of which also missed the memo about charming names) — snapping color photos, detecting particles and compiling maps, among other duties.

 

New Horizons will then continue on to observe one or two other Kuiper Belt objects to be determined as the mission progresses. From there it will follow the two Voyager probes to the edges of the Solar System and beyond. But could it be that the universe is not infinite, and that our system is contained in some giant box, the wall of which New Horizons will discover by slamming into it? That’s patently ridiculous. Voyager 1 is far ahead of New Horizons, so it would discover the wall first.

 

/source: http://www.wired.com/thisdayintech/tag/s2011-p1/

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NASA Spacecraft in Home Stretch of Journey to Pluto

 

by Mike Wall, SPACE.com Senior WriterDate: 19 January 2012

 

pluto-new-horizons.jpg

An artist's concept of the New Horizons spacecraft as it visits Pluto in 2015. Instruments will map Pluto and its moons, providing detail not only on the surface of the dwarf planet, but also about its shape, which could reveal whether or not an ocean lies beneath the ice.

CREDIT: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

 

A super-speedy NASA probe marks six years of spaceflight today (Jan. 19), beginning the last leg of its journey to the small, faraway world of Pluto.

 

The New Horizons spacecraft launched Jan. 19, 2006, on a mission to become the first probe to visit the dwarf planet Pluto and its moons. That unprecedented encounter is slated to begin in January 2015, so New Horizons has now entered the home stretch of its nine-year trip, researchers said.

 

"It's really around the corner," said New Horizons principal investigator Alan Stern, of the Southwest Research Institute in Boulder, Colo. "We're just more and more excited."

 

/source: http://www.space.com/14289-nasa-pluto-spacecraft-horizons-anniversary.html

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Death of a Star

 

By C. CLAIBORNE RAY .. January 23, 2012

 

Q. As our Sun dies, what will happen to the planets, especially our own?

 

A. In about five billion years, scientists estimate, the Earth will be engulfed and burned up in the expanding radius of the Sun as it evolves.

 

This event will be about a million years after Venus and Mercury “have suffered the same fate,” according to updated calculations published in 2008 in the journal Monthly Notices of the Royal Astronomical Society. It will also be long after the Earth becomes too hot to support life.

 

As the Sun ages into a red giant, it will expand, losing mass and cooling somewhat, but remaining very hot.

 

“While solar-mass loss alone would allow the orbital radius of planet Earth to grow sufficiently to avoid this ‘doomsday’ scenario,” the authors of the study conclude, the tidal interaction of the Sun and the closely orbiting planet “will lead to a fatal decrease” in the size of Earth’s orbit.

 

At least some of the outer planets may survive, scientists suggest. Some have conjectured that it could be possible to engineer a way to expand Earth’s orbit by the small percentage needed to escape. It would involve arranging “a suitable encounter of the Earth every 6,000 years or so with a body of large asteroidal mass,” perhaps objects in the Kuiper Belt.

 

http://www.nytimes.com/2012/01/24/science/what-will-happen-to-the-planets-as-the-sun-dies.html

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There is so much that we dont know.

New ideas and truth are being found out each and every year.

 

Rememebr when people said the earth was flat ? We think how silly these people were to think that. But that was a truth of that age. Our own grand kids and great grand kids will some day think how silly we were for beliveing what we now know as the truth. They will have more info than us and there truth will be more true. But there grand kinds will find out even more.

 

I wonder were dose it stop ? Can the human race really learn and understand everything ? If we get to that point what happens ? When there is no more truth to find out, when we know everthing.

 

Dose that make us GOD ?

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There is so much that we dont know.

New ideas and truth are being found out each and every year.

. . .

I wonder were dose it stop ? Can the human race really learn and understand everything ? If we get to that point what happens ? When there is no more truth to find out, when we know everthing.

 

Does that make us GOD ?

We are all connected, some say, in an interlocking web of Toruses

 

 

What is the solar system and the Kuiper belt, but one gigantic Torus ?

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Pluto is NOT a planet, but

 

Anyone can help find a planet these days. Isn't that amazing?

 

 

"Volunteers wanted for planet hunt

 

Members of the public are being asked to join the hunt for nearby planets that could support life.

 

Volunteers can go to the Planethunters website to see time-lapsed images of 150,000 stars, taken by the Kepler space telescope.

 

They will be advised on the signs that indicate the presence of a planet and how to alert experts if they spot them.

 

"We know that people will find planets that are missed by the computer," said Chris Lintott from Oxford University.

 

"When humans have looked at data, we know they find planets that computers can't." "

 

_57825143_transits_464.jpg

Time-lapsed images of a single star show dips in brightness as a planet passes

from http://www.bbc.co.uk...onment-16512017

 

http://www.planethunters.org/

 

My girlfriend found one, and her name is now listed on a scientifc paper detailing the discovery but before you ask, no, she doesn't get to name it. It's amazing the attention she's had now regarding it. A guy at MIT linked to the PlanetHunters project lead contacted Miss Positive Deviant to do an interview. We've had some guys round recently who were commisioned by the Royal Observatory of Edinburgh to film a documentary about the hunt for exo-planets, their film is contrasting a "citizen scientist" finding a planet against an established scientist, Martin Dominik (from St Andrews University in Scotland), who found a planet using gravitational microlensing.

 

 

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Anyone can help find a planet these days. Isn't that amazing?

 

My girlfriend found one, and her name is now listed on a scientifc paper detailing the discovery but before you ask, no, she doesn't get to name it. It's amazing the attention she's had now regarding it. A guy at MIT linked to the PlanetHunters project lead contacted Miss Positive Deviant to do an interview.

That's wonderful.

What sun does it circle?

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There is so much that we dont know.

New ideas and truth are being found out each and every year.

 

Rememebr when people said the earth was flat ? We think how silly these people were to think that. But that was a truth of that age. Our own grand kids and great grand kids will some day think how silly we were for beliveing what we now know as the truth. They will have more info than us and there truth will be more true. But there grand kinds will find out even more.

 

 

The difference now is that we know we don't know everything (well, most of us do :rolleyes: ). Even our most advanced and accurate theories are still assumed to be our best guesses at this present time.

 

 

I wonder were dose it stop ? Can the human race really learn and understand everything ? If we get to that point what happens ? When there is no more truth to find out, when we know everything.

 

Dose that make us GOD ?

 

I would wager that we will never know everything, (besides, how would we know if we did).

 

However, it's true we will likely get to a point where we will be able to conceive/do things that people alive today would consider God like. The Spanish Conquistadors appeared God like a few hundred years back to people that had never seen a galleon (or a gun).

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Anyone can help find a planet these days. Isn't that amazing?

 

Very cool.

 

When they first started planet hunting, after about the first 5 were found, one group thought that they had found Earths twin! Same period or rotation to the day, the hour and the minute! They were a little embarrased later when they realised they had forgotton to take into account the Earths motion around the sun :D (They did go on to find many real ones later)

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Mystery of the half-mile-wide objects plunging into Saturn's rings: Nasa's Cassini orbiter captures 'snowballs' leaving glittering trails as they crash through

 

Read more: http://www.dailymail.co.uk/sciencetech/article-2134327/Nasas-Cassini-probe-snaps-objects-punching-Saturns-F-ring.html#ixzz1syiw775S

 

The objects are only travelling at 4mph but leave trails of up to 110miles

 

Story, photos and a video at the Link

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