News tagged with comet impact

Study supports theory of extraterrestrial impact

A 16-member international team of researchers that includes James Kennett, professor of earth science at UC Santa Barbara, has identified a nearly 13,000-year-old layer of thin, dark sediment buried in the floor of Lake Cuitzeo ...

dateMar 05, 2012 in Earth Sciences
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Hyperactive Hartley 2 has a split history

The latest analysis of data from NASA's Deep Impact spacecraft shows that comet 103P/Hartley 2 is hyperactive in terms of the material it spews out, compared to the other comets observed up close to date. The comet also ...

dateOct 04, 2011 in Space Exploration
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Comet Hartley 2

( -- The comet Hartley 2 is a relatively small and elongated comet - only about 0.6 x 0.4 kilometers in size. It orbits the sun every 6.46 years, getting as close to it as 1.05 astronomical units (the Earth is ...

dateJun 15, 2011 in Astronomy
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Waiter, there's metal in my moon water

( -- Bring a filter if you plan on drinking water from the moon. Water ice recently discovered in dust at the bottom of a crater near the moon's south pole is accompanied by metallic elements like mercury, magnesium, ...

dateFeb 18, 2011 in Space Exploration
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