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99942 Apophis (provisional designation 2004 MN 4) is a near-Earth asteroid and a potentially hazardous object, 450 metres (1,480 ft) by 170 metres (560 ft) in size, [3] that caused a brief period of concern in December 2004 when initial observations indicated a probability of 2.7% that it would hit Earth on Friday, April 13, 2029.
At nearly 1.5 kilometers wide, it's the largest such asteroid discovered in eight years. Robin George Andrews (31 October 2022). " 'Planet Killer' Asteroid Spotted That Poses Distant Risk to Earth". The New York Times. Ashley Strickland (31 October 2022). " 'Planet killer' asteroid spotted hiding in the sun's glare". CNN.
The 7,600-foot long celestial object has earned the nickname ‘planet killer,’ flying at speeds of 58,000 miles per hour.
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2024 UQ, designated formerly as A11dc6D, was a one-meter meteoroid that struck the Earth's atmosphere and burned up harmlessly on 22 October 2024 above the Pacific Ocean off the coast of California. 2024 UQ is the tenth impact event that was successfully predicted, which was discovered by the ATLAS survey.
Another gigantic asteroid will come within Earth's neighborhood on Wednesday, and Earthlings can watch it live online, knowing it's at a safe distance. How to watch a stadium-sized asteroid zoom ...
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She is credited by the Minor Planet Center with the discovery of 46 asteroids for the period between 1977 and 1990. In 1990, with Henry E. Holt, she co-discovered 127P/Holt-Olmstead, a periodic comet that bears her name. [3] The minor planet 3287 Olmstead, a Mars-crosser asteroid discovered by astronomer Schelte J. Bus in 1981, was named in her ...