jc42 - Slashdot User

Submission + - Latest Earth-crossing asteroid passes by tonight (space.com)

Submitted by

jc42

on Monday January 28, 2008 @03:02PM

jc42 writes: "Astronomers have been looking at the first images of asteroid 2007 TU24, the 250-meter asteroid that will pass 540,000 km from the Earth at 8:33 UTC (3:30 EST) Tuesday morning. So get your telescopes out; it's a 10th-magnitude object. Or just hold your breath as the time approaches. Maybe astronomers will get good enough numbers for its 2000-year orbit to calculate how long until it hits our planet. It might be sobering to consider that it was just discovered last October, and we know about maybe half of the objects like this in Earth-crossing orbits."

Submission + - Google Earth highlights Darfur

Submitted by jc42 on Wednesday April 11, 2007 @01:59PM

jc42 writes: NPR, PCworld, and some 400 other news sources (according to Google News) are reporting on a new Google feature: Google Earth, in cooperation with the US Holocaust Memorial Museum now presents details of the growing disaster in Darfur. They give a virtual tour of the area, with details of events in many villages in the words of local residents. So in addition to their "Do no evil" motto, they apparently now have a policy of exposing evil. Needless to say, the Sudan government didn't exactly cooperate with this project.

Submission + - Faster global warming from Siberian thawing

Submitted by jc42 on Monday September 11, 2006 @09:08AM

jc42 writes: A recent study published in Nature documents the accelerating release of methane from melting permafrost. Methane is a greenhouse gas 23 times more "effective" than carbon dioxide, so this may signal more rapid warming in the near future. If you don't subscribe to Nature, the Guardian has a good summary. [Ed: What's an appropriate topic for this? I see nothing appropriate in the menu.]

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