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Airglow helps Milky Way paint the night sky amazing colors

The horizon glows a haunting green, silhouetting trees on the Isle of Wight as the band of the Milky Way shines overhead in this spectacular photo recently sent in to by a veteran photographer.

Night sky photographer Chad Powell captured this beautiful image, which he aptly calls "Too Many Stars To Count," on Oct. 4 using a Canon 6D camera (25 seconds, f/2.8, 20mm, and ISO 4000).

"The sky was so bright this particular evening from both the Milky Way and green airglow," Powell told in an email. "Due to this, a very strong silhouette lined the foreground and trees in the distance." [See more amazing Milky Way galaxy photos]

Our host galaxy, the Milky Way is a barred spiral galaxy comprising roughly 400 billion stars. It spans between 100,000 to 120,000 light-years in diameter. A light-year is the distance light travels in one year, or about 6 trillion miles (10 trillion kilometers).

To see more amazing night sky photos submitted by readers, visit our astrophotography archive.

Editor's note: If you have an amazing night sky photo you'd like to share for a possible story or image gallery, please contact Managing Editor Tariq Malik at

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