July 2009 - NGC 2074 imaged by Hubble on 100 000th orbit milestone
In commemoration of Hubble completing its 100 000th orbit around the Earth, scientists aimed the telescope toward this dazzling region of celestial birth and renewal. In this image, red shows emission from sulphur atoms, green from glowing hydrogen and blue from oxygen.
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NASA, ESA and M. Livio (STScI)