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Long-Exposure Images of ISS Star Trails by Astronaut Don Pettit

Long-Exposure Images of ISS Star Trails by Astronaut Don Pettit

A NASA astronaunt Don Pettit stationed at the ISS made these photos by setting his camera shutter to 30 second and then merging numerous photos together. And we can now feast our eyes on these tron-like photos of our little blue marble.  

Large stone rings known so far only in Gobekli Tepe. Their function is still completely unknown.

Large stone rings known so far only in Gobekli Tepe. Their function is still completely unknown.

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