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  2. Jul 24, 2006 · If the near-Earth asteroid 99942 Apophis ever strikes Earth, how big would the crater be? On Friday the 13th in April 2029, a 1,000-foot-wide asteroid named Apophis will pass close enough to Earth (within 20,000 miles) to briefly appear as a 3rd-magnitude star in the night sky.

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  3. Sep 21, 2021 · In both cases, a nuclear bomb delivering a fraction of the energy Apophis would likely release exploded over the cities, and about 200,000 people died as a result (according to Newsweek). Apophis would deliver significantly more magnitude of energy than either of the Hiroshima or Nagasaki weapons.

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    • What if Apophis hit Earth?2
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  4. Mar 26, 2021 · The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out. After its discovery in 2004, asteroid 99942 Apophis had been identified as one of the most hazardous asteroids that could impact Earth.

  5. Sep 16, 2024 · The Planetary Society estimated that if Apophis were to hit Earth it could release energy equal to more than 1,000 megatons of TNT, equivalent to the detonation of tens or even hundreds of...

  6. science.nasa.gov › solar-system › asteroidsApophis - NASA Science

    When Apophis made a distant flyby of Earth around March 5, 2021, astronomers took the opportunity to use powerful radar observations to refine the estimate of its orbit around the Sun with extreme precision, enabling them to confidently rule out any impact risk in 2068 and long after.

  7. Sep 11, 2024 · Shortly after the space rock was discovered, astronomers revealed that Apophis would have an extremely close fly-by with Earth on April 13, 2029, sparking fears that it could hit our planet.

  8. Sep 13, 2024 · Apophis hitting Earth is possible, study finds, but very unlikely. Astronomers have long had their eye on the notorious Apophis, which was initially believed to pose a serious threat to Earth...

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