News tagged with solar origin
Nonterrestrial artifacts hard to pin down
(PhysOrg.com) -- Two Pioneer probes left our solar system carrying plaques about humankind, and two Voyager probes will soon join them to gather information about places far out in our galaxy. We can and will send more autonomous ...
Space & Earth / Space Exploration
Nov 07, 2011 |
5 / 5 (3) |
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Meteorites: Tool kits for creating life on Earth
Meteorites hold a record of the chemicals that existed in the early Solar System and that may have been a crucial source of the organic compounds that gave rise to life on Earth. Since the 1960s, scientists have been trying ...
Space & Earth / Space Exploration
Aug 08, 2011 |
4.3 / 5 (6) |
3
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Meteorite holds clues to organic chemistry of the early Earth: study
(PhysOrg.com) -- Carbonaceous chondrites are a type of organic-rich meteorite that contain samples of the materials that took part in the creation of our planets nearly 4.6 billion years ago, including materials ...
Space & Earth / Space Exploration
Jun 09, 2011 |
4.7 / 5 (6) |
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The 'natural' asymmetry of biological molecules may have come from space
Certain molecules do exist in two forms which are symmetrical mirror images of each other: they are known as chiral molecules. On Earth, the chiral molecules of life, especially amino acids and sugars, exist ...
Space & Earth / Space Exploration
Jan 11, 2011 |
4.5 / 5 (4) |
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Zapping Titan-like atmosphere with UV rays creates life precursors
The first experimental evidence showing how atmospheric nitrogen can be incorporated into organic macromolecules is being reported by a University of Arizona team.
Jun 29, 2010 |
4.7 / 5 (17) |
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Proposed Mission Would Return Sample from Asteroid 'Time Capsule'
(PhysOrg.com) -- Meet asteroid 1999 RQ36, a chunk of rock and dust about 1,900 feet in diameter that could tell us how the solar system was born, and perhaps, shed light on how life began. It also might hit ...
Space & Earth / Space Exploration
Mar 11, 2010 |
5 / 5 (5) |
1
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Chemical snapshot: Murchison meteorite reveals diversity of early Solar System
(PhysOrg.com) -- New studies of a meteorite that crashed to Earth four decades ago have found it probably contains millions of organic compounds. The findings shed light on the molecular complexity that existed ...
Space & Earth / Space Exploration
Feb 17, 2010 |
5 / 5 (12) |
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Atomic Particles Help Solve Planetary Puzzle
(PhysOrg.com) -- A University of Arkansas professor and his colleagues have shown that the Earth's mantle contains the same isotopic signatures from magnesium as meteorites do, suggesting that the planet formed ...
Space & Earth / Earth Sciences
Nov 10, 2009 |
4.5 / 5 (12) |
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Scientists Reproduce a Building Block of Life in Laboratory
(PhysOrg.com) -- NASA scientists studying the origin of life have reproduced uracil, a key component of our hereditary material, in the laboratory.
Nov 06, 2009 |
4.9 / 5 (28) |
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STEREO Reveals the Anatomy of a Solar Storm in 3D
(PhysOrg.com) -- Observations from NASA's twin Solar Terrestrial Relations Observatory (STEREO) spacecraft have allowed scientists to reveal for the first time the speed, trajectory, and three-dimensional shape of solar explosions ...
Space & Earth / Space Exploration
Apr 28, 2009 |
5 / 5 (3) |
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