Friday, October 12, 2012

Shortest known orbit of any star about a black hole

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - UCLA astronomers report the discovery of a remarkable star that orbits the enormous black hole at the center of our Milky Way galaxy in a blistering 11-and-a-half years - the shortest known orbit of any star near this black hole. See article.
g Life - A team of paleontologists and engineers has found that duck-billed dinosaurs had an amazing capacity to chew tough and abrasive plants with grinding teeth more complex than those of cows, horses, and other well-known modern grazers. Their study, which is published October 4 in the journal Science, is the first to recover material properties from fossilized teeth. See article.
g Cosmicus - Don Pettit, member of the Expedition 31 crew, proves that the sky is not the image for artistic compositions as he points he snaps photos from the vantage point of the International Space Station. See article.

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