Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...
That's good news for NASA, which is looking to land astronauts at the south pole on the near, Earth-facing side later this ...
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Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object slammed into the moon 3.8 billion years ago.
Projectiles flying faster than bullets from a blast 130 times bigger than the global nuclear stockpile helped form giant lunar canyons, according to a new study.
Each year, millions of visitors marvel at the geological intricacy and beauty of the vast chasm of the Grand Canyon carved through the Arizona desert by 5 million years of water erosion. It is ...
The proposed Tusayan development would build a giant mega-resort that threatens groundwater just outside Grand Canyon ...
The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.
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