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Tag Archives: asteroids

Meteor explodes over Russia

By Janet Raloff / February 18, 2013

This streak of light shows the meteor’s entry into Earth’s atmosphere. The image was captured by a European weather satellite. Credit: EUMETSAT

Surprise: No one saw it coming

Posted in Earth & Sky, Space | Tagged asteroids, atomic bomb, celestial objects, Chelyabinsk, getinvolved, Hiroshima, infrasound, kilotons, Margaret Campbell-Brown, meteor, meteorite, NASA, National Atmospheric and Space Administration, orbital debris, Russia, Russian Academy of Sciences, shock wave, sonic boom, topstories, Western Ontario University

Ice on Mercury

By Stephen Ornes / December 17, 2012

This image of Mercury’s north pole region shows areas in shadow (red) according to new MESSENGER data and the location of bright spots (yellow) that are likely exposed ice deposits.

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington/National Astronomy and Ionosphere Center, Arecibo Observatory

MESSENGER spacecraft provides evidence for frozen water on planet closest to sun

Posted in Space | Tagged aliens, altimetry, asteroids, astronomy, carbon, comets, craters, David Paige, extraterrestrial life, getinvolved, ice, laser altimeter, mercury, MESSENGER, NASA, planetary science, planets, space environment, sun, University of California Los Angeles