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  1. A meteorite 100 times bigger than the dinosaur-killing space rock …

  2. How a giant, ancient meteorite impact helped fledgling life on …

  3. What happened when giant S2 meteor hit Earth 3 billion years ago ...

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  5. NASA reveals images of enormous, snowman-shaped asteroid

  6. What Happened the Day a Giant, Dinosaur-Killing Asteroid Hit the …

  7. Chicxulub crater - Wikipedia

  8. New theory behind Chicxulub impactor that killed the …

    Feb 15, 2021 · The Chicxulub impactor, as it’s known, was a plummeting asteroid or comet that left behind a crater off the coast of Mexico that spans 93 miles and goes 12 miles deep. Its devastating impact brought the reign of the …

  9. Asteroid headed toward Earth? NASA simulation …

    Jun 21, 2024 · Imagine if scientists discovered a giant asteroid with a 72% chance of hitting the Earth in about 14 years — a space rock so big that it could not only take out a city but devastate a whole...

  10. NASA Analysis: Earth Is Safe From Asteroid Apophis for 100-Plus …

  11. NASA’s Planetary Radar Tracks Two Large Asteroid Close …