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

created Nov 07, 2011 | popularity 5 / 5 (3) | comments 9 | with audio podcast

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

created Aug 08, 2011 | popularity 4.3 / 5 (6) | comments 3 | with audio podcast

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

created Jun 09, 2011 | popularity 4.7 / 5 (6) | comments 1 | with audio podcast

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

created Jan 11, 2011 | popularity 4.5 / 5 (4) | comments 0

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.

Chemistry / Biochemistry

created Jun 29, 2010 | popularity 4.7 / 5 (17) | comments 13 | with audio podcast

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

created Mar 11, 2010 | popularity 5 / 5 (5) | comments 1 | with audio podcast

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

created Feb 17, 2010 | popularity 5 / 5 (12) | comments 1 | with audio podcast report

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

created Nov 10, 2009 | popularity 4.5 / 5 (12) | comments 0

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.

Chemistry / Biochemistry

created Nov 06, 2009 | popularity 4.9 / 5 (28) | comments 0

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

created Apr 28, 2009 | popularity 5 / 5 (3) | comments 0