More Evidence that Exploding Asteroid Caused Mass Extinction: related news

More Evidence that Exploding Asteroid Caused Mass Extinction

Geological evidence found in Ohio and Indiana in recent weeks is strengthening the case to attribute what happened 12,900 years ago in North America -- when the end of the last Ice Age unexpectedly turned into a phase of extinction for animals and humans – to a cataclysmic comet or asteroid explosion over top of Canada.

Exploding Asteroid Theory Gains Evidence

About 13,000 years ago, woolly mammoths roamed the North American continent and the first known human society in that region, known as the Clovis civilization, lived there as well. But geologic and archeological evidence shows they both suddenly disappeared, and scientists have long debated the mystery of the mass extinction of both animals and humans about 12,900 years ago. At that time, climatic history suggests the Ice Age should have been drawing to a close, but instead rapid climate change initiated an additional 1,300 years of glacial conditions. But scientists couldn't agree on the cause of the sudden change in climate. However, about two years ago geophysicist Allen West proposed that an asteroid or comet exploded just above the earth’s surface at that time over modern-day Canada, sparking a massive shock wave and heat-generatin

Exploding Asteroid Theory Strengthened By New Evidence

Geological evidence found in Ohio and Indiana in recent weeks is strengthening the case to attribute what happened 12,900 years ago in North America - when the end of the last Ice Age unexpectedly turned into a phase of extinction for animals and humans - to a cataclysmic comet or asteroid explosion over top of Canada.

Exploding Asteroid Theory Strengthened by New Evidence Located in Ohio

Geological evidence found in Ohio and Indiana in recent weeks is strengthening the case to attribute what happened 12,900 years ago in North America -- when the end of the last Ice Age unexpectedly turned into a phase of extinction for animals and humans – to a cataclysmic comet or asteroid explosion over top of Canada.

Exploding Asteroid Theory Strengthened By New Evidence Located In Ohio, Indiana

Geological evidence found in Ohio and Indiana in recent weeks is strengthening the case to attribute what happened 12,900 years ago in North America -- when the end of the last Ice Age unexpectedly turned into a phase of extinction for animals and humans – to a cataclysmic comet or asteroid explosion over top of Canada.

Volcanoes blamed for mass extinction

Scientists say a massive volcano eruption is behind Earth's mass extinction millions of years ago.Scientists say a massive volcano eruption is behind Earth's mass extinction millions of years ago.

Hackers resort to 'sick' kidnap spam

How bad was 2007 for breaches, vulnerabilities and similar mayhem? On the bright side, it was better than 2008 is forecast to be. With more of every sort of meltdown predicted -- more criminalization of the hacker community, more Web-application attacks, more phishing, more spamming, more zero-day attacks and more virtualization-related threats -- we're happy to tell you that you are likely to look back on 2007 as the peaceful old days.

News anchor admits to hacking, leaking e-mail's content

How bad was 2007 for breaches, vulnerabilities and similar mayhem? On the bright side, it was better than 2008 is forecast to be. With more of every sort of meltdown predicted -- more criminalization of the hacker community, more Web-application attacks, more phishing, more spamming, more zero-day attacks and more virtualization-related threats -- we're happy to tell you that you are likely to look back on 2007 as the peaceful old days.

Exploding Asteroid Theory Strengthened by New Evidence Located in Ohio, Indiana

Was the course of life on the planet altered 12,900 years ago by a giant comet exploding over Canada? New evidence found by UC Assistant Professor of Anthropology Ken Tankersley and colleagues suggests the answer is affirmative.

Minimum Mass for Galaxies Provides Insight on Dark Matter

More news on dark matter this week: By analyzing light from dwarf galaxies that orbit the Milky Way, scientists believe they have discovered the minimum mass for galaxies in the universe – 10 million times the mass of the sun. This mass could be the smallest known “building block� of the mysterious, invisible substance called dark matter. Stars that form within these building blocks clump together and turn into galaxies. Scientists know very little about the microscopic properties of dark matter, even though it accounts for approximately five-sixths of all matter in the universe. “By knowing this minimum galaxy mass, we can better understand how dark matter behaves, which is essential to one day learning how our universe and life as we know it came to be,� said Louis Strigari, lead author of this study from the University of Cal

New Evidence Supports Exploding Asteroid

U.S. scientists say evidence found recently in Ohio and Indiana supports the theory of a giant object exploding 12,900 years ago over Canada.

New evidence supports exploding asteroid

CINCINNATI, July 7 (UPI) -- U.S. scientists say evidence found recently in Ohio and Indiana supports the theory of a giant object exploding 12,900 years ago over Canada.

Exploding asteroid theory strengthened by new evidence located in Ohio, Indiana

As more data continues to be compiled, Tankersley, West and Schaffer will be publishing about this newest twist in the search to explain the history of our planet and its climate.

Gravity Tractor Could Deflect Asteroids

Hugh Pickens writes "A new study at the Jet Propulsion Labs shows that weak gravitational pull of a "gravity tractor" could deflect an Earth-threatening asteroid if it was deployed when the asteroid was at least one orbit away from potential impact with Earth. First a spacecraft would be crashed directly into the asteroid, similar to the Deep Impact mission that impacted a comet in 2005. This would provide a big change of direction, but in a less controllable fashion that could push the path of the asteroid into a dangerous keyhole. But then a second spacecraft, the gravity tractor, would come into play, hovering about 150 meters away from the asteroid, to exert a gentle gravitational force, changing the asteroid's velocity by only 0.22 microns per second each day.

Underwater Volcanoes Blamed for Mass Extinctions

More than 93 million years ago, researchers say undersea volcanic activity caused mass extinction in the worlds' oceans.

Binary Asteroid Glides Past Earth

A rare event has given astronomers a great view of a binary asteroid system. Tonight, asteroid 2008 BT18 passed 1.4 million miles from Earth, shining like a 13th magnitude star. Before July 7th, astronomers believed 2008 BT18 was "just another" near-Earth asteroid, but then the Arecibo radio telescope obtained a "delay-Doppler" image of the asteroid and found it in fact had a binary partner. Although binaries are fairly common in the Solar System, this was a rare opportunity for a ground-based telescope to capture such a clear view…

Consumers Using TV, Web More Than Ever

NEW YORK More media may be vying for the consumer's attention, but contrary to conventional wisdom, they're watching more TV than ever before, according to Nielsen data released Tuesday (July 8). Consumers are also watching more time-shifted TV and using the Internet more.

Building our own asteroid

LIFE on Earth has had its ups and downs. Over the past 4 billion years, it has barely survived five mass extinction events, each most probably triggered by a collision with an asteroid or comet. Some 250 million years ago, nearly 90% of all sea species and 70% of all vertebrate land species suddenly became extinct. About 200 million years ago, another collision wiped out roughly half of all species, and ushered in the age of dinosaurs. Then 65 million years ago, an asteroid wiped out the dinosaurs and made room for the age of mammals — including, eventually, humans.

Building our own asteroid

LIFE on Earth has had its ups and downs. Over the past 4 billion years, it has barely survived five mass extinction events, each most probably triggered by a collision with an asteroid or comet. Some 250 million years ago, nearly 90% of all sea species and 70% of all vertebrate land species suddenly became extinct. About 200 million years ago, another collision wiped out roughly half of all species, and ushered in the age of dinosaurs. Then 65 million years ago, an asteroid wiped out the dinosaurs and made room for the age of mammals — including, eventually, humans.

European spacecraft set to swing by asteroid

An artist's impression of Steins asteroid, which the ESA's Rosetta probe will encounter Friday at a distance of 800 kilometres. The asteroid is about five kilometres across.An artist's impression of Steins asteroid, which the ESA's Rosetta probe will encounter Friday at a distance of 800 kilometres. The asteroid is about five kilometres across.

ESA spacecraft set for flyby of Steins asteroid

An European Space Agency image taken from the ESA's webside on Friday, Sept 5. 2008 shows an artist's impression of ESA’s Rosetta spacecraft flying by asteroid (2867) Steins on Sept. 5, 2008 at 20:58 CEST (1858 GMT), with a closest approach distance of 800 kilometers. Steins is Rosetta’s first nominal scientific target. The spacecraft encountered the asteroid in the course of its first incursion into the main asteroid belt located between the orbits of Mars and Jupiter, while on its way to Comet 67P/Churyumov-Gerasimenko, which is scheduled for 2014. An European Space Agency image taken from the ESA's webside on Friday, Sept 5. 2008 shows an artist's impression of ESA’s Rosetta spacecraft flying by asteroid (2867) Steins on Sept. 5, 2008 at 20:58 CEST (1858 GMT), with a closest approach distance of 800 kilometers.

Exploding asteroid theory strengthened by new clues

Was the course of life on the planet altered 12,900 years ago by a giant comet exploding over Canada? New evidence found by University of Cincinnati Assistant Professor of Anthropology Ken Tankersley and colleagues suggests the answer is affirmative.

?More Writing Means More Traffic

In the online world, the more writing you do for your website, the more traffic you can expect to draw to it. Let me people know about your website by means of your writing. The writing you do can include press releases, blog postings, and any kind of content your website contains.

BioWare is 'talking about' more Mass Effect DLC

Speaking to MTV Multiplayer at E3 last month, BioWare co-founder Greg Zeschuk revealed that although they are working on the next entry in the Mass Effect series we could still see additional Mass Effect 1 DLC.

Study: Earth may be facing mass extinction

U.S. biologists say devastating declines of amphibian species around the world are a sign the Earth might be facing a new mass extinction.

Search took 0.42 seconds.