Did GD61 Eat a Planetessimal?

The primary method by which astronomers hope to study exoplanet atmospheres is by detecting their absorption spectra as they transit their parent stars. However, another way would be to detect the signal of the atmospheric components in the atmosphere of a star that recently cannibalized a planet or other large body. White dwarfs offer an [...]

Source: http://www.universetoday.com/82225/did-gd61-eat-a-planetessimal/

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The Comet Cometh: Hartley 2 Visible in Night Sky

comet Hartley 2

A comet that makes its closest approach to Earth this Wednesday, Oct. 20, will be scrutinized even more closely by a NASA spacecraft in a little over two weeks.

Source: http://www.jpl.nasa.gov/news/news.cfm?release=2010-339&rn=news.xml&rs... "> http://www.jpl.nasa.gov/news/news.cfm?release=2010-339&rn=news.xml&rst=2774

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10-Year-Old Girl Discovers a Supernova

A ten-year old girl from Canada has discovered a supernova, making her the youngest person ever to find a stellar explosion. The Royal Astronomical Society of Canada announced the discovery by Kathryn Aurora Gray of Fredericton, New Brunswick, (wonderful middle name!) who was assisted by astronomers Paul Gray and David Lane. Supernova 2010lt is a [...]

Source: http://www.universetoday.com/82152/10-year-old-girl-discovers-a-supernova/

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