When we look at the Solar System, what clues show us how it formed? We can see pieces of its formation in asteroids, comets and other small bodies that cluster on the fringes of our neighborhood (and sometimes, fly closer ...
Astronomy
Sep 8, 2014
42
0
ISEE-3 will not be returning home after all. Authors of a plan to revive the forgotten NASA satellite and return it to Earth orbit conceded Wednesday that a failure in the spacecraft's propulsion system has made it impossible ...
Space Exploration
Jul 10, 2014
2
0
Work presented today at the Goldschmidt Geochemistry Conference in Sacramento, California shows that the timing of the giant impact between Earth's ancestor and a planet-sized body occurred around 40 million years after the ...
Space Exploration
Jun 10, 2014
3
0
The first exoplanet was discovered in 1994. Twenty years later, NASA's exoplanet catalog lists more than 1700 planets confirmed around other stars. Most of these extra-solar-systems have been measured by changes in light ...
Astronomy
May 28, 2014
0
18
Michael Mautner, Ph.D., a research professor of chemistry in the Virginia Commonwealth University College of Humanities and Sciences, studies how life might expand beyond Earth, using meteorites to find how microbes and even ...
Space Exploration
May 16, 2014
3
0
Scientists in Scotland are hoping to make a major 'leap' in working out whether a bolt of lightning could trigger life on planets outside the solar system.
Space Exploration
May 1, 2014
0
0
A gas and dust cloud collapses to form a star. Amid a whirling disc of debris, little bits of rock coated with liquid water and ice begin to stick together. It is this stage of a star's formation that astronomers hope to ...
Astronomy
Mar 27, 2014
2
0
Despite international agreements on climate protection and political declarations of intent, global greenhouse gas emissions have not decreased. On the contrary, they continue to increase. With a growing world population ...
Environment
Feb 25, 2014
2
0
(Phys.org) —Asteroids (or comets) whose orbits bring them close to the earth's orbit are called near Earth objects. Some of them are old, dating from the origins of the solar system about four and one-half billion years ...
Space Exploration
Dec 27, 2013
60
0
(Phys.org) —When NASA's Juno spacecraft flew past Earth on Oct. 9, 2013, it received a boost in speed of more than 8,800 mph (about 7.3 kilometer per second), which set it on course for a July 4, 2016, rendezvous with Jupiter, ...
Space Exploration
Dec 10, 2013
4
0
