Search results for: meteor

Remembering the Vela incident

Thirty-six years ago today, a strange event was detected over the Southern Indian Ocean that remains controversial. On September 22nd, 1979, an American Vela Hotel satellite detected an atmospheric explosion over the southern ...

dateSep 23, 2015 in Space Exploration
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Getting the lead out

Caltech geochemist Clair Patterson (1922–1995) helped galvanize the environmental movement 50 years ago when he announced that highly toxic lead could be found essentially everywhere on Earth, including in our own bodies—and ...

dateSep 22, 2015 in Environment
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Adventures with Starblinker

Observational astronomy is a study in patience. Since the introduction of the telescope over four centuries ago, steely-eyed observers have watched the skies for star-like or fuzzy points of light that appear to move. Astronomers ...

dateSep 18, 2015 in Space Exploration
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What are asteroids?

4.6 billion years ago, our solar system formed from a collection of gas and dust surrounding our nascent sun. While much of the gas and dust in this protoplanetary disk coalesced to form the planets, some of the debris was ...

dateSep 10, 2015 in Space Exploration
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