News tagged with meteor impact
Possible trigger for volcanic 'super-eruptions' found
The "super-eruption" of a major volcanic system occurs about every 100,000 years and is considered one of the most catastrophic natural events on Earth, yet scientists have long been unsure about what triggers ...
Space & Earth / Earth Sciences
Oct 12, 2011 |
4.9 / 5 (22) |
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Last dinosaur before mass extinction discovered
A team of scientists has discovered the youngest dinosaur preserved in the fossil record before the catastrophic meteor impact 65 million years ago. The finding indicates that dinosaurs did not go extinct ...
Other Sciences / Archaeology & Fossils
Jul 13, 2011 |
4.5 / 5 (16) |
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Weighted ping-pong balls can fall endlessly through a granular medium (w/ video)
(PhysOrg.com) -- When a meteor impacts a planet or a moon, it always stops at a relatively shallow depth, even when impacting at high speeds. Until now, researchers have assumed that all objects impacting ...
Jun 27, 2011 |
4.2 / 5 (12) |
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Scientists on the look-out for a 'Hartley-id' Meteor Shower
This month, Comet Hartley 2 has put on a good show for backyard astronomers. The comet's vivid green atmosphere and auburn tail of dust look great through small telescopes, and NASA's Deep Impact/EPOXI probe i ...
Space & Earth / Space Exploration
Oct 27, 2010 |
4.5 / 5 (2) |
0
Exposed rocks point to water on ancient Mars
A new discovery of hydrothermally altered carbonate-bearing rocks on Mars points toward habitable environments deep in the martian crust, a Planetary Science Institute researcher said.
Space & Earth / Space Exploration
Oct 14, 2010 |
4.9 / 5 (9) |
1
Impact hypothesis loses its sparkle
Shock-synthesized diamonds said to prove a catastrophic impact killed off North American megafauna can't be found.
Space & Earth / Earth Sciences
Aug 30, 2010 |
4.4 / 5 (14) |
22
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Taking a deeper look at lunar soil, with X-ray vision
(PhysOrg.com) -- Using a new imaging technique, materials scientists open a window on the moon's geological history.
Space & Earth / Space Exploration
Jan 04, 2010 |
5 / 5 (7) |
0
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Space Hand-Me-Downs
Molecules vital to life have been detected in outer space and isolated in meteorites and comets. Some of this material that rained down on Earth may have jump-started biology. If so, these space seeds also ...
Space & Earth / Space Exploration
Sep 18, 2009 |
3.5 / 5 (6) |
1
Expanding Spot on Venus Puzzles Astronomers
(PhysOrg.com) -- The expanding spot discovered on Venus last month may not have garnered as much attention as the meteor impact with Jupiter, but its cause is certainly more puzzling. ...
Space & Earth / Space Exploration
Aug 04, 2009 |
4.3 / 5 (31) |
7
Surviving mass extinction by leading a double life
(PhysOrg.com) -- Drifting across the world's oceans are a group of unicellular marine microorganisms that are not only a crucial source of food for other marine life -- but their fossils, which are found in abundance, provide ...
Jul 14, 2009 |
5 / 5 (2) |
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