NGC 7822: Brightest Nebulae in the Sky (Fact of the Day)

NGC 7822
NGC 7822 is the brightest nebulae in the sky from Earth. It is a young star forming complex about 3,000 light years away in the constellation of Cepheus. The field spans about 30 light years. It is an emission type nebula powered by the energetic radiation from the hot stars, whose powerful winds and radiation sculpt and erode the denser pillar shapes. The nebula also includes one of the hottest stars discovered within 1kpc of the Sun.

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