News tagged with comet nucleus
Artificial comet contains building blocks of life
The first molecules of life form naturally in comets, reveals a French-German study led by Uwe Meierhenrich and Cornelia Meinert at the Institut de Chimie de Nice and by Louis Le Sergeant d'Hendecourt at the ...
Space & Earth / Space Exploration
Mar 21, 2012 |
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How did comet Lovejoy survive its trip around the sun?
It was just about three months ago that the astronomy world watched in awe as the recently-discovered comet Lovejoy plummeted toward the Sun on what what expected to be its final voyage, only to reappear on ...
Space & Earth / Space Exploration
Mar 14, 2012 |
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Researchers gain new insights into Comet Hartley 2
(PhysOrg.com) -- A tumbling comet nucleus with a changing rotational rate has been observed for the first time, according to a new paper by a Planetary Science Institute researcher.
Space & Earth / Space Exploration
May 16, 2011 |
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Suspected Asteroid Collision Leaves Odd X-Pattern of Trailing Debris
(PhysOrg.com) -- NASA's Hubble Space Telescope has imaged a mysterious X-shaped debris pattern and trailing streamers of dust that suggest a head-on collision between two asteroids. Astronomers have long thought ...
Feb 02, 2010 |
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Search results for comet nucleus
Black hole caught red-handed in a stellar homicide
(Phys.org) -- Astronomers have gathered the most direct evidence yet of a supermassive black hole shredding a star that wandered too close.
May 07, 2012 |
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Jupiter helps Halley's Comet give us more spectacular meteor displays
(PhysOrg.com) -- The dramatic appearance of Halley's comet in the night sky has been observed and recorded by astronomers since 240 BC. Now a study shows that the orbital influences of Jupiter on the comet ...
Space & Earth / Space Exploration
Mar 27, 2012 |
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Astronomy team discovers nearby dwarf galaxy
(PhysOrg.com) -- A team led by UCLA research astronomer Michael Rich has used a unique telescope to discover a previously unknown companion to the nearby galaxy NGC 4449, which is some 12.5 million light years ...
Feb 08, 2012 |
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Mission to land on a comet
Europe’s Rosetta spacecraft is en route to intercept a comet– and to make history. In 2014, Rosetta will enter orbit around comet 67P/Churyumov-Gerasimenkoand land a probe on it, two firsts.
Space & Earth / Space Exploration
Feb 03, 2012 |
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Hyperactive Hartley 2 has a split history
The latest analysis of data from NASA's Deep Impact spacecraft shows that comet 103P/Hartley 2 is hyperactive in terms of the material it spews out, compared to the other comets observed up close to date. ...
Space & Earth / Space Exploration
Oct 04, 2011 |
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A spiral in Leo
(PhysOrg.com) -- This new picture from ESO’s Very Large Telescope shows NGC 3521, a spiral galaxy located about 35 million light years away in the constellation of Leo (The Lion). Spanning about 50 000 ...
Aug 10, 2011 |
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Gentle nudges towards Vesta
The Dawn space probe entered into an orbit around the planetoid Vesta. The planetoid is 2.3 times further from the Sun than the Earth. Dawn used the force of gravity to get there. And an ion engine.
Space & Earth / Space Exploration
Aug 02, 2011 |
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Eyes in the sky
Dense veils of cloud over Venus, rocky barren landscapes of frozen ice on Saturn's moon Titan, white patches in the red sand of Mars – these are images of completely alien worlds. Worlds which humans ...
Space & Earth / Space Exploration
Aug 02, 2011 |
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Comet Hartley 2
(PhysOrg.com) -- The comet Hartley 2 is a relatively small and elongated comet - only about 0.6 x 0.4 kilometers in size. It orbits the sun every 6.46 years, getting as close to it as 1.05 astronomical units ...
Jun 15, 2011 |
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Dramatic display forecast for 2011 Draconid meteor shower
The Draconid meteor shower is expected to produce unusually high peak meteor rates of 1,000 per hour on October 8, 2011.
Space & Earth / Space Exploration
Jun 01, 2011 |
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List of search results for comet nucleus
