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News for Norther Colorado and the world

Thursday, December 18, 2014

Posts Tagged ‘Messier 9’

Astronomy Picture of the Day

Astronomy Picture of the Day

Renown 18th century astronomer Charles Messier described this 9th entry in his famous astronomical catalog as "Nebula, without star, in the right leg of Ophiuchus ...". But Messier 9 (M9) does have stars, known to modern astronomers as a globular cluster of over 300,000 stars within a diameter of about 90 light-years. It lies some 25,000 light-years distant, near the central bulge of our Milky Way galaxy.       Messier 9 ... Full Story

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