(PhysOrg.com) -- VV 340, also known as Arp 302, provides a textbook example of colliding galaxies seen in the early stages of their interaction. The edge-on galaxy near the top of the image is VV 340 North and the face-on ...
Astronomy
Aug 12, 2011
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(PhysOrg.com) -- A team of scientists from the Naval Research Laboratory and George Mason University reports that the Earth's upper atmosphere has recently experienced the lowest density in 43 years. The team has published ...
Earth Sciences
Jun 21, 2010
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(PhysOrg.com) -- On Saturday, April 17, 2010, the Hyperion instrument onboard NASA's Earth Observing-1 (EO-1) spacecraft obtained this pair of images of the continuing eruption of Iceland's Eyjafjallajökull volcano.
Earth Sciences
Apr 19, 2010
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(PhysOrg.com) -- The first phase of a star's formation are thought to begin deep inside a natal cloud of gas and dust. In the earliest stages, material coalesces under the influence of gravity into so-called "dense cores," ...
Astronomy
Dec 4, 2009
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Technological advances in recent years have increased the sensitivity of radio interferometers like the Karl G. Jansky Very Large Array (VLA) to the radio emission from astronomical sources in their continuum (not only in ...
Astronomy
Apr 13, 2020
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Some materials luminesce, changing their color and intensity when under mechanical forces such as grinding or rubbing. These luminescent "mechanochromic" materials can produce various emission colors in the visible light ...
Materials Science
May 31, 2017
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NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) embarked on a "target of opportunity" flight recently that included study of Comet ISON. The lengthy mission was SOFIA's second opportunity to capture data on ...
Space Exploration
Nov 22, 2013
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(Phys.org) —Inside the cleanrooms of NASA's Goddard Space Flight Center, the international James Webb Space Telescope (JWST) is beginning to take shape.
Space Exploration
Jul 9, 2013
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(Phys.org) —A new image from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra spacecraft shows the extent of destruction from the deadly Newcastle-Moore tornado that ...
Earth Sciences
Jun 6, 2013
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(Phys.org)—Using a new method for estimating greenhouse gases that combines atmospheric measurements with model predictions, Lawrence Berkeley National Laboratory (Berkeley Lab) researchers have found that the level of ...
Environment
Dec 4, 2012
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