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NASA Reveals Europa's Mystery Dark Material Could Be Sea Salt

NASA Astronaut Kathy Thornton on Hubble Repair Mission

Alexei Leonov: The First Man to Walk in Space 50 Years Ago

First Human Spacewalk by Cosmonaut Alexei Leonov: 50 Years Ago

Space Chewing Gum! | International Space Station

Icebergs, Canadian Coast | International Space Station

Comet 67P on April 28, 2015 – NavCam Image | ESA Rosetta

Comet 67P: Rosetta Navcam data: MTP 006 | ESA

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Source SPACE.com: All about our solar system, outer space and exploration.

Malé, Republic of Maldives, Indian Ocean | Earth | Satellite

NASA Mars Opportunity Rover Panoramic Camera View: Sol 4011