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the straight line on the left is a Meteor and Star Trails that were recorded during a 5.5 hour time exposure on a fixed tripod with an 18mm f/3.5 lens at ISO 64, the stars don't actually move, it's the rotation of the earth on it's axis

Gaze up at the stars at the Coit Observatory at Boston University. The observatory is open to the public on most Wednesday nights, weather permitting!

The Sword of Orion - the three stars that make up the weapon hanging off the belt of this famous celestial hunter. The image showcases the amazing mix of physical and optical processes including atomic emission, Rayleigh scattering, reflection and absorbtion of light, that go on in this star forming region to create this kaleidescope of colours and details.

This is not a hyper realist painting but a photograph of a star forming, courtesy of @HUBBLE_space #space #stars pic.twitter.com/t4CSgx3t

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El Mundo en Imágenes on

Solar eclipse from the moon

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Shelby White on

Oh and I thought I was just looking at the stars at night.... Every single satellite orbiting the Earth / via vuokko

Amazingly, a single day on Venus is longer than its entire year. It takes Venus 243 Earth days to completely rotate on its axis, but just 225 days to orbit the sun. Stranger still, Venus is one of two planets that rotates in reverse, a phenomenon called retrograde motion. Most theories attribute the reverse rotation to an ancient planetary collision.

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MB Channel on

Earth from space