News tagged with impact event
Research team claims to have found evidence Lake Cheko is impact crater for Tunguska Event
(Phys.org) -- Early on the morning of June 30th, 1908, a huge explosion occurred in a remote part of Siberia near the Podkamennaya Tunguska River. So great was the blast that trees were knocked down in neat ...
Space & Earth / Earth Sciences
May 21, 2012 |
4.5 / 5 (24) |
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New evidence argues against prehistoric extraterrestrial impact event
(Phys.org) -- Evidence used to support a possible extraterrestrial impact event is likely the result of natural processes, according to a new collaborative study led by U.S. Geological Survey scientists.
Space & Earth / Earth Sciences
Apr 23, 2012 |
4.5 / 5 (17) |
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Simulations unravel mysteries of 2009 Jupiter impact
(PhysOrg.com) -- During July of 1994, both amateur and professional astronomers were captivated as comet Shoemaker/Levy 9 broke apart and slammed into the atmosphere of Jupiter. While these types of impacts ...
Space & Earth / Space Exploration
Mar 30, 2012 |
4.4 / 5 (14) |
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Apollo 16: What young really means on the moon
(PhysOrg.com) -- One of the main goals of the Apollo 16 mission was to explore and sample a young bright-rayed crater aptly named North Ray crater (890 m diameter). Its high reflectivity is due to its young ...
Space & Earth / Space Exploration
Mar 09, 2012 |
4.3 / 5 (3) |
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Meteorite shockwaves trigger dust avalanches on Mars
(PhysOrg.com) -- Dust avalanches around impact craters on Mars appear to be the result of the shock wave preceding the actual impact, according to a study led by an undergraduate student at the UA.
Space & Earth / Space Exploration
Dec 16, 2011 |
5 / 5 (5) |
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Australia passes controversial carbon pollution tax
Australia passed its controversial pollution tax Tuesday in a sweeping and historic reform aimed at lowering carbon emissions blamed for climate change, after years of fierce debate.
Nov 08, 2011 |
3.5 / 5 (8) |
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Climate: which nations, cities most at risk?
A third of humanity, mostly in Africa and South Asia, face the biggest risks from climate change but rich nations in northern Europe will be least exposed, according to a report released Wednesday.
Oct 26, 2011 |
4.8 / 5 (5) |
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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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Tough turtles survive cretaceous meteorite impact
(PhysOrg.com) -- New fossil localities from North Dakota and Montana have produced the remains of a turtle that survived the 65 million-year-old meteorite impact that wiped out the dinosaurs. The resulting ...
Other Sciences / Archaeology & Fossils
Jul 12, 2011 |
4 / 5 (1) |
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Economic cost of weather may total $485 billion in US
Everything has its price, even the weather. New research indicates that routine weather events such as rain and cooler-than-average days can add up to an annual economic impact of as much as $485 billion in the United States.
Other Sciences / Economics & Business
Jun 22, 2011 |
3.5 / 5 (2) |
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Ammonites' last meal: New light on past marine food chains
Scientists have discovered direct evidence of the diet of one of the most important group of ammonites, distant relatives of squids, octopuses and cuttlefishes. The discovery may bring a new insight on why ...
Other Sciences / Archaeology & Fossils
Jan 06, 2011 |
5 / 5 (6) |
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Scientists discover nanodiamonds in Greenland ice
(PhysOrg.com) -- University of Maine volcanologist Andrei Kurbatov and glaciologist Paul Mayewski, along with 21 other scientists, coauthored a scientific paper released late last month that details the discovery of a layer ...
Space & Earth / Earth Sciences
Sep 08, 2010 |
4.8 / 5 (13) |
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Mammoth Hunters - Out With a Whimper or a Bang?
(PhysOrg.com) -- Did a change in climate or an extraterrestrial impact bring an end to the beasts and people that roamed the Southwest shortly after the last ice age?
Other Sciences / Archaeology & Fossils
Apr 06, 2010 |
4.7 / 5 (9) |
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Getting WISE About Nemesis
Is our Sun part of a binary star system? An unseen companion star, nicknamed 'Nemesis,' may be sending comets towards Earth. If Nemesis exists, NASA's new WISE telescope should be able to spot it.
Mar 11, 2010 |
5 / 5 (10) |
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NASA scientist: No Doomsday in 2012
According to NASA scientist David Morrison, the widespread Internet rumor that the world will end in 2012 due to some astronomical event is a hoax. Dr. Morrison attributes the hype to 'cosmophobia' fueled ...
Space & Earth / Space Exploration
Oct 20, 2009 |
3.7 / 5 (36) |
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