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Latest Comet Stories

rosetta comet
2015-01-23 08:33:22

Comet 67P/Churyumov–Gerasimenko has five basic but diverse categories of terrain type, as well as 19 distinct geomorphological boundaries, according to early data obtained by the ESA’s Rosetta mission and published in a special edition of the journal Science.

2015-01-22 23:02:10

A special issue of the journal Science, to be published Jan. 23, 2015, reveals details about the shape, evolution and lifespan of comet 67P-Churyumov/Gerasimenko.

comet lovejoy
2015-01-14 13:37:13

For the first time in 11,000 years, Comet Lovejoy will be visible this week. Like so visible, you can see it with just your eyes.

Comet on 1 January 2015 – NavCam
2015-01-07 10:35:37

Efforts to discover the exact location of the Rosetta mission’s Philae lander have proven unsuccessful, and European Space Agency scientists fear that the probe might have become covered by dust falling back onto the surface of the comet it currently calls home.

144966389
2014-12-30 08:38:10

As space enthusiasts bid farewell to a year that saw a probe land on a comet for the first time and the discovery of active organic chemistry on Mars (among other things), the Universe has gone to great lengths to ensure that the transition from 2014 to 2015 will be a spectacular one.

Rosetta philae comet
2014-12-18 08:56:53

It's getting more sunlight than they originally thought it would. Rejoice!

MESSENGER data suggest meteor shower
2014-12-17 07:36:17

If we lived on Mercury, we'd probably be telling you to get our your lawn chairs and enjoy the show.

mercury-encke_trail3
2014-12-12 16:20:57

The closest planet to the sun appears to get hit by a periodic meteor shower, possibly associated with a comet that produces multiple events annually on Earth.

Comet_on_2_December
2014-12-11 04:42:52

Terrestrial water most likely did not come from comets like 67P/Churyumov-Gerasimenko, meaning that the H2O found on Earth was most likely brought here by asteroids.

philae landing
2014-11-21 04:09:35

It might just be a two second clip of what sounds like some rustling paper or a dull thud, but the recording of the Philae lander’s touchdown on Comet 67P/C-G allows astronomy enthusiasts to hear just what making history sounds like.


Latest Comet Reference Libraries

39_f8d781c7a69aa19cac8e87c8ee2a7e85
2007-04-10 16:02:02

A Shubunkin is a type of single-tailed goldfish with calico coloration, a combination of orange, white, black, red, and blue markings, blue being the most desired. They are similar to the common goldfish and the comet goldfish. Also called speckled goldfish, harlequin goldfish, calico goldfish, and coronation fish, they were developed in Japan about a hundred years ago by crossing calico fantails with single-tailed goldfish to produce a hardy, able swimmer with bright colors. There are...

39_32a99ba392036dcdbc5a88b9333713af
2007-04-10 14:06:21

A Fantail goldfish is a standard "fancy" type of goldfish. It has a dual-lobed tail, unlike its cousin the common or comet. Its fins can be different sizes, ranging from 1-3 in or more in length. A typical fantail has paired fins, including anal fins, a single dorsal fin, and a round, pointed body shape. It can range in color, from bronze (known as chocolate), orange, red, calico, and mixes of the colors. It is the third hardiest of the fancy goldfish with Comet first and Shubunkin second,...

0_8f6b1bd03f19fcfc2dbe970459a87148
2007-04-10 13:51:34

The Comet is a commonly kept form of goldfish, the only type to have originated in the United States. They first appeared in the ponds of the Fish Commission in Washington in the early 1880s. Hugo Mullertt was the first person to bring the Comet goldfish to the market in a large quantity. Characterized by a long, tall, flowing tailfin they can be differentiated from the common goldfish, although otherwise they are very similar. Both of these varieties are quite hardy and will do well in...

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...

Solar System
2012-10-22 06:09:41

The Solar System refers to the area in space that is dominated by our own Sun. It is comprised of the Sun and its associated astronomical objects that are held in its gravitational orbit. The Solar System was formed as a result of the collapse of a giant molecular cloud approximately 4.6 billion years ago. The mass of this system is located almost entirely in the Sun. Apart from the Sun, a high percentage of the remainder of the system’s mass is located in the eight solitary planets that...

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Word of the Day
postliminy
  • In Roman antiquity, the return of a person who had been banished, or taken prisoner by an enemy, to his old condition and former privileges.
  • In international law, that right by virtue of which persons and things taken by an enemy in war are restored to their former status when coming again under the power of the nation to which they belonged.
The word 'postliminy' comes from a Latin word meaning 'threshold'.