Tiny probes hold big promise for future NASA missions
Sometimes to find the best solution to a big problem, you have to start small.
Space Exploration
Apr 19, 2017
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Page 17 - News tagged with velocity
No close partner for young, massive stars in Omega Nebula
Astronomers from Leuven (Belgium) and Amsterdam (Netherlands) have discovered that massive stars in the star-forming region M17 (the Omega Nebula) are—against expectations—not part of a close binary. They have started ...
Astronomy
Feb 14, 2017
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Only the hottest, most buoyant mantle plumes draw from a primordial reservoir deep in the Earth
The Earth's mantle—the layer between the crust and the outer core—is home to a primordial soup even older than the moon. Among the main ingredients is helium-3 (He-3), a vestige of the Big Bang and nuclear fusion reactions ...
Earth Sciences
Feb 6, 2017
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Identifying dim companions of intermediate-mass stars
An international team of astronomers using the Subaru Telescope and led by a graduate student member of SOKENDAI (The Graduate University of Advanced Studies, Japan) has discovered companions circling "intermediate-mass" ...
Astronomy
Oct 6, 2016
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The turbulent interstellar medium
The gas in galaxies is typically seen to be moving at very rapid, even supersonic velocities, providing clear evidence that the medium is highly turbulent. Looking more closely at gas clouds in our own Milky Way, astronomers ...
Astronomy
May 9, 2016
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New tool refines exoplanet search
Planet-hunting is an ongoing process that's resulting in the discovery of more and more planets orbiting distant stars. But as the hunters learn more about the variety among the tremendous number of predicted planets out ...
Astronomy
Apr 11, 2016
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Monster planet is 'dancing with the stars'
A team made up almost entirely of current and former Carnegie scientists has discovered a highly unusual planetary system comprised of a Sun-like star, a dwarf star, and an enormous planet sandwiched in between.
Astronomy
Dec 16, 2015
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Study of cloud cover in tropical Pacific reveals future climate changes
A new analysis using changes in cloud cover over the tropical Indo-Pacific Ocean showed that a weakening of a major atmospheric circulation system over the last century is due, in part, to increased greenhouse gas emissions. ...
Earth Sciences
Nov 4, 2015
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Comet Hitchhiker would take tour of small bodies
Catching a ride from one solar system body to another isn't easy. You have to figure out how to land your spacecraft safely and then get it on its way to the next destination. The landing part is especially tricky for asteroids ...
Space Exploration
Sep 2, 2015
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New optical device designed to measure gravitational pull of a planet should speed the search for Earth-like exoplanets
Astronomers Chih-Hao Li and David Phillips of the Harvard-Smithsonian Center for Astrophysics want to rediscover Venus—that familiar, nearby planet stargazers can see with the naked eye much of the year.
Astronomy
Oct 13, 2014
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