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Bookmark or Share- 99942 Apophis - Wikipedia99942 Apophis. Model of 99942 Apophis's shape, assuming the entire surface is of a similar composition. / əˈpɒfɪs /, (trad.) / ˈæpəfɪs /. 99942 Apophis (provisional designation 2004 MN4) 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 ...
- Planet killer | Memory Alpha | FandomThe "planet killer" was an informal name given by Spock in 2267, based on a description given by Commodore Matt Decker, to an automated, self-propelled doomsday machine capable of destroying entire planets. This robot was encountered by two Federation starships: the USS Constellation and the USS...
- Mountain-size 'planet killer' asteroid will make a close approach to ...A massive "planet killer" asteroid will make a very close approach to Earth today (June 27), safely zipping past our planet at around 58,000 mph (93,000 km/h).
- Could scientists stop a 'planet killer' asteroid from hitting Earth?To deflect an asteroid measuring 4,900 feet (1.5 km) wide — a true "planet killer" — we'd need to simultaneously launch anywhere from 565 to 1,266 kinetic impactors, depending on which part of...
- ‘Planet killer’ asteroid the size of Mount Everest to flyby Earth ...A mountain-sized asteroid nicknamed the “planet killer” will make its closest approach to Earth in over a century on Thursday. The asteroid, officially known as Asteroid (415029) 2011 UL21 ...
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