domingo, 8 de julho de 2012

Get your telescopes: Double stars shine bright in July night sky


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Astronomers who scan the sky nightly with telescopes have found that about one-third of all the stars are double stars. In general, the two components appear to revolve around their common center of gravity, some very slowly, others rather rapidly. Many stars are multiple, some forming double-double stars or even more complex families.

With summer now officially here, three of the most interesting double stars are currently available in our night sky, high in the eastern sky between 10 p.m. and midnight. They can be readily viewed with good binoculars or better yet, a small telescope.

Read more: http://www.foxnews.com/scitech/2012/07/05/get-your-telescopes-double-stars-shine-bright-in-july-night-sky/#ixzz2018SSi00

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