Small collisions make big impact on Mercury's thin atmosphere
Mercury, our smallest planetary neighbor, has very little to call an atmosphere, but it does have a strange weather pattern: morning micro-meteor showers.
Mercury, our smallest planetary neighbor, has very little to call an atmosphere, but it does have a strange weather pattern: morning micro-meteor showers.
Space Exploration
Sep 29, 2017
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(Phys.org) —Following its last close flyby of Saturn's moon Rhea, NASA's Cassini spacecraft captured these raw, unprocessed images of the battered icy moon. They show an ancient, cratered surface bearing the scars of collisions ...
Space Exploration
Mar 12, 2013
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When the sun rose over Russia's Ural Mountains on Friday, Feb. 15th, many residents of nearby Chelyabinsk already knew that a space rock was coming. Later that day, an asteroid named 2012 DA14 would pass by Earth only 17,200 ...
Space Exploration
Feb 27, 2013
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On February 1, 2019 a bright meteor crossed the sky over Cuba in the middle of the day. The phenomenon, which was followed by a smoke trail (a characteristic cloud left by the burn in the atmosphere of a meteoroid) and a ...
Space Exploration
Feb 15, 2019
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Every day about 100 tons of meteoroids -- fragments of dust and gravel and sometimes even big rocks enter the Earth's atmosphere. Stand out under the stars for more than a half an hour on a clear night and you'll likely ...
Space Exploration
Mar 1, 2011
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(Phys.org) —Andrei Zlobin of the Russian Academy of Sciences' Vernadsky State Geological Museum, claims in a paper he's uploaded to the preprint server arXiv, that he's found rocks he believe to be from the object that ...
Our atmosphere is a better shield from meteoroids than researchers thought, according to a new paper published in Meteoritics & Planetary Science.
Space Exploration
Dec 11, 2017
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Researchers from NASA and the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, report that streams of meteoroids striking the Moon infuse the thin lunar atmosphere with a short-lived water vapor.
Space Exploration
Apr 15, 2019
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Earth is entering a stream of dusty debris from Comet Swift-Tuttle, the source of the annual Perseid meteor shower. Although the shower won't peak until August 11th and 12th, the show is already getting underway.
Space Exploration
Jul 31, 2009
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On the evening of May 18, NASA all-sky meteor cameras located at NASA’s Marshall Space Flight Center and at the Walker County Science Center near Chickamauga, Ga. tracked the entry of a large meteor estimated to weigh some ...
Space Exploration
Jun 3, 2010
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