Tag Archives: Meteor

Paranoid asteroid: FIVE more space rocks headed towards Earth, highlighting need for planetary defense initiatives

Paranoid asteroid: FIVE more space rocks headed towards Earth, highlighting need for planetary defense initiatives

NASA’s planetary defense network is warning of yet another barrage of five asteroids due to enter Earth’s backyard this week, in the latest test of our early-warning systems and preparedness in the face of space-based threats. The opening salvo will consist of two asteroids, 2013 XA22 and 2020 KZ3, measuring 310 feet and 64 feet, which will pass Earth at

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Opal Discovered in Antarctic Meteorite

Opal Discovered in Antarctic Meteorite

Planetary scientists have discovered pieces of opal in a meteorite found in Antarctica, a result that demonstrates that meteorites delivered water ice to asteroids early in the history of the solar system. Led by Professor Hilary Downes of Birkbeck College London, the team announce their results at the National Astronomy Meeting in Nottingham. Opal, familiar on Earth as a precious

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