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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.
After coming home from an evening walk in Marshfield neighborhood of Charlottetown, Prince Edward Island, Laura Kelly and her partner Joe Velaidum found a starburst pattern of gray dust on their sidewalk. They cleared it away, not knowing what it was. Upon discovering home security camera footage of the impact, they suspected it was a meteorite ...
The asteroid Toutatis is listed as a potentially hazardous near-Earth asteroid, yet poses no immediate threat to Earth.(Radar image taken by GDSCC in 1996.)A potentially hazardous object (PHO) is a near-Earth object – either an asteroid or a comet – with an orbit that can make close approaches to the Earth and which is large enough to cause significant regional damage in the event of ...
Chris Herd, curator of the University of Alberta's meteorite collection, later confirmed that it was in fact, a meteorite. Specifically, he said, it's an "ordinary chondrite," the most common kind ...
A giant meteorite first discovered in 2014 caused a tsunami bigger than any in known human history and may have sparked life, scientists reveal. A giant, ancient meteor four times the size of ...
After a 4.5-billion-year journey through space, a car-size rock fell to Earth on October 7, 2008 — and it contained a bunch of tiny diamonds.
The space rock that slammed into Earth 66 million years ago at the end of the Cretaceous Period caused a global calamity that doomed the dinosaurs and many other life forms. Researchers assessed ...
The meteorite is thought to be a carbonaceous chondrite, the first collected on impact in Britain. [12] The fragment did not experience rainfall [ 13 ] and was placed in a protected environment within 12 hours of falling to Earth, meaning that the quality of the sample is comparable to those retrieved by probes from asteroids [ 14 ] [ 4 ] and ...