Space
Giant grooves on Mars’s moon Phobos may be caused by rolling boulders
Mars’ largest moon, Phobos, is covered in enormous grooves that stretch over kilometres. They may have been caused by boulders rolling around the surface
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Mars’ largest moon, Phobos, is covered in enormous grooves that stretch over kilometres. They may have been caused by boulders rolling around the surface
US Vice President Mike Pence says a habitable base orbiting the moon will be built and in use by 2024. It's a pointless distraction, warns Mars Society president Robert Zubrin