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Latest Comets Stories

How Comet ISON Is Spending Thanksgiving With The Sun: Exclusive
2013-11-26 13:12:59

The journey of Comet ISON has been a cinematic one, particularly because its existence was not even known until September of last year. Since then, the comet has garnered international attention from amateur and professional astronomers around the world; and while much is known about the comet even more is unknown.

Comet ISON May Or May Not Put On A Show
2013-11-18 15:55:32

Comet ISON has sprouted wings, which may suggest the nucleus of ISON is breaking apart.

comet ison
2013-11-15 07:05:33

Comet ISON is now inside the orbit of Earth as it plunges headlong toward the sun for a fiery close encounter on Nov. 28th.

Approaching Comets ISON And Encke Pose For NASA's MESSENGER
2013-11-14 14:24:57

NASA’s MESSENGER spacecraft helped snag a few images of comets ISON and Encke as they are making their way closer to Mercury and the Sun, where they will be much brighter and more readily visible to amateur astronomers.

Comet ISON Photo Contest NSF
2013-10-28 15:49:05

The NSF, along with Astronomy and Discover magazines are offering $2,500 to whoever takes the best photo of Comet ISON.

Amateur Astronomers Can Now Observe An Approaching Comet ISON
2013-09-25 12:35:52

Comet ISON is getting closer and closer to making its close encounter with the sun on Thanksgiving Day, and amateur astronomers are gearing up to take every opportunity they can to observe the celestial object between now and then.

Comet ISON Still On Track For Fall Spectacle: Exclusive
2013-09-19 14:25:38

It is a tricky balance, because comets have been notorious for disappointment in the past, particularly when media grabs hold of the subject and helps hype up events like this.

Comet Activity Starting Up Early Ahead Of 2014 Rosetta Mission
2013-08-20 13:48:03

Comet Churyumov-Gerasimenko, a 2014 visitor to our neck of the woods, will be emitting gas and dust earlier than expected, according to a new study by the Max Planck Institute for Solar System Research (MPS).

Comet ISON Starting To Fizzle Out
2013-08-20 04:23:25

New observations of the highly anticipated Comet ISON have shown this year's fall spectacle might not be as spectacular as we hoped.

Comet ISON May Fizzle Out
2013-07-30 10:54:51

Once dubbed "the Comet of the Century," astronomers now say Comet ISON may prematurely fizzle out before its much anticipated spectacular debut.


Latest Comets Reference Libraries

54_1e39bd96196de2b0b3d3cb59083186ef
2009-04-28 16:55:25

Jean Elias Benjamin Valz was born on May 27, 1787 in Nimes in France. He was formally trained as an engineer, but he became intrigued with astronomy, specifically comets, after witnessing the return of the Comet Encke. Before leaving his home to become the Director of the Marseille Observatory, he built a private observatory in it. He theorized that abnormalities in the orbit of Halley's Comet could be explained by a planet beyond Uranus. Scientist would later discover this planet and...

6_348877a21702e82deaef967e7029f7ad2
2004-10-19 04:45:41

Comet -- A comet is a small body from the outer reaches of the solar system similar to an asteroid but composed of ice. Often described as "dirty snowballs," they are composed largely of carbon dioxide ice, methane ice, and water ice with a mixture of dust and small stony aggregates mixed in. Comets are thought to be small pieces of debris left over from the formation of the solar system, representing a sample of the original composition of the nebula that condensed to form the Sun and all...

3_dc1884c0b1face8b446a01bf67cf86f42
2004-10-19 04:45:40

Halley's Comet -- Comet Halley, more generally known as Halley's Comet after Edmond Halley, is the best-known and the brightest of the "short-period" comets from the Kuiper belt that visit the inner solar system in years or decades-long orbits rather than the millennia of comets from the Oort Cloud. Early History Having perceived that the elements of the comet of 1682 were nearly the same as those of two comets which had appeared respectively in 1531 and 1607, Halley concluded that...

3_089f177002efcc416c4d1ef8735393d12
2004-10-19 04:45:40

Comet Encke -- Because of its proximity to the Sun and its stable orbit, comet Encke is probably one of the most evolved comets that still remains active. It may represent a transition object between an active comet and the defunct comets that are thought to make up a significant percentage of the near-Earth asteroid population. The orbit of comet Encke is very stable both in its size and orientation because it can pass no closer to Jupiter than about 0.9 AU. This orbital stability...

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Word of the Day
cespitose
  • Growing in low tufty patches.
The word 'cespitose' comes from a Latin word meaning 'turf'.
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