The early solar system was a chaotic place, with evidence indicating that Mars was likely struck by planetesimals, small protoplanets up to 1,200 miles in diameter, early in its history. Southwest Research Institute scientists ...
Space Exploration
Feb 12, 2020
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411
A new study spearheaded by Earth scientists at the University of Cologne's Institute of Geology and Mineralogy has constrained the age of the Moon to approximately 50 million years after the formation of the solar system. ...
Space Exploration
Jul 29, 2019
13
2151
An international team of astronomers have discovered two stars in a binary pair that complete an orbit around each other in a little over three hours, residing in the planetary nebula M3-1. Remarkably, the stars could drive ...
Astronomy
Oct 23, 2018
4
193
Groundbreaking scientific work led by researchers at the University of St Andrews is redefining the trajectory of planetary evolution.
Earth Sciences
Nov 6, 2015
0
31
Researchers are developing instruments and methods for measuring the ages of rocks encountered during space missions to the Moon or other planets. Many of the techniques used to date rocks on Earth are not practical in spaceflight, ...
Space Exploration
Jul 20, 2015
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24
Earth-like planets orbiting other stars in the Milky Way are three times more likely to have the same type of minerals as Earth than astronomers had previously thought. In fact, conditions for making the building blocks of ...
Astronomy
Jul 9, 2015
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100
(Phys.org) —Astronomers have assembled, from more than 13 years of observations from NASA's Hubble Space Telescope, a series of time-lapse movies showing a jet of superheated gas—5,000 light-years long—as it is ejected ...
Astronomy
Aug 22, 2013
45
0
It's widely thought that the Earth arose from violent origins: Some 4.5 billion years ago, a maelstrom of gas and dust circled in a massive disc around the Sun, gathering in rocky clumps to form asteroids. These asteroids, ...
Earth Sciences
Jul 16, 2013
8
0
(Phys.org) —New global maps of Mars released on the 10th anniversary of the launch of ESA's Mars Express trace the history of water and volcanic activity on the Red Planet, and identify sites of special interest for the ...
Space Exploration
Jun 3, 2013
0
0
The massive ball of iron sitting at the center of Earth is not quite as "rock-solid" as has been thought, say two Stanford mineral physicists. By conducting experiments that simulate the immense pressures deep in the planet's ...
Earth Sciences
May 17, 2013
4
0
