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We might commonly think of Earth as having an oxygen-dominated atmosphere, but in reality the molecule makes up only a … More

The images were captured last month by NASA’s Dawn spacecraft from a distance of just 240 miles (385 kilometers) — … More

Last month, the private spaceflight company SpaceX achieved an amazing feat: launching a rocket into space, and then landing it … More

Passing dark matter may have caused small quakes in the Milky Way galaxy, creating ripples that scientists can use to … More

Speaking before a joint session of Congress for the eighth and final time of his administration, Obama raised the nation’s … More

Dawn spacecraft now in its lowest planned orbit above dwarf planet Ceres. These late December images are from just 240 … More

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The post Barnard 33 – The Flaming Horsey appeared first on Sky & Telescope. from Sky & Telescope http://ift.tt/1RLPGXH via … More