(Phys.org)—Even comparatively small meteorite impact craters may have played a key role in the origin and evolution of early life on Earth, according to a researcher at The University of Western Australia.
Space Exploration
Feb 26, 2013
3
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As far back in time as astronomers have been able to see, the universe has had some trace of heavy elements, such as carbon and oxygen. These elements, originally churned from the explosion of massive stars, formed the building ...
Astronomy
Dec 5, 2012
34
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A tiny fraction of meteorites on earth contain strikingly beautiful, translucent, olive-green crystals embedded in an iron-nickel matrix. Called pallasites, these "space gems" have fascinated scientists since they were first ...
Space Exploration
Nov 15, 2012
4
1
In many respects, metamaterials are supernatural. These manmade materials, with their intricately designed structures, bend electromagnetic waves in ways that are impossible for materials found in nature. Scientists are investigating ...
Condensed Matter
Nov 14, 2012
8
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(Phys.org)— NASA and the European Space Agency (ESA) successfully have used an experimental version of interplanetary Internet to control an educational rover from the International Space Station. The experiment used NASA's ...
Space Exploration
Nov 9, 2012
0
0
About 4.6 billion years ago, the solar system was little more than a tenuous disk of gas and dust. In the span of merely 10 million years, this soup evolved to form today's massive, complex planets. In the intervening period, ...
Space Exploration
Oct 11, 2012
16
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University of Manchester scientists are among the few in the world selected to analyze minute asteroid fragments which could shed light on the origin and evolution of the solar system.
Space Exploration
Oct 4, 2012
3
0
In 1605, Johannes Kepler announced his first law of planetary motion, essentially stating that planets move around the sun with an elliptical, rather than circular, orbit.
Astronomy
Aug 21, 2012
2
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A few hundred thousand billion free-floating life-bearing Earth-sized planets may exist in the space between stars in the Milky Way. So argues an international team of scientists led by Professor Chandra Wickramasinghe, Director ...
Astronomy
May 10, 2012
53
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The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, ...
Other
May 8, 2012
33
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