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“NASA is boosting its efforts to defend Earth from potentially dangerous asteroids. The agency announced Monday that it plans to build and launch an asteroid-hunting space telescope as soon as 2024 as part of a new, multi-pronged approach to planetary defense. The yet-to-be-named telescope will use an infrared detector to pick up the heat signatures of small near-Earth asteroids against the cold backdrop of space.

A NASA presentation says the telescope will find 90 percent of asteroids wider than 140 meters that have a chance of hitting the Earth within 10 years. This goal responds to a congressional directive set in 2005. Right now only a third of those asteroids are cataloged, and none pose a threat to Earth for the foreseeable future. However, an impact by one that we haven’t found yet could wreak country-scale destruction and cause more casualties than any natural disaster in recorded history. Even a 50-meter-wide asteroid could destroy a major metropolitan city in the unlikely event of a direct hit; NASA says the telescope will help compute the chances of objects that size hitting Earth within the next 100 years. ”

See [www.planetary.org]

Great news!

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Subject Views Written By Posted
NASA to Build New Asteroid-Hunting Space Telescope 1126 Eddie Larry 29-Sep-19 14:27
Re: NASA to Build New Asteroid-Hunting Space Telescope 115 Nolondil 29-Sep-19 23:56
Re: NASA to Build New Asteroid-Hunting Space Telescope 106 Aine 30-Sep-19 13:50
Re: NASA to Build New Asteroid-Hunting Space Telescope 107 Ellyll 02-Oct-19 19:42
Re: NASA to Build New Asteroid-Hunting Space Telescope 112 Nolondil 03-Oct-19 01:07
Re: NASA to Build New Asteroid-Hunting Space Telescope 96 Aine 04-Oct-19 15:31
Re: NASA to Build New Asteroid-Hunting Space Telescope 100 Eddie Larry 04-Oct-19 16:46
Re: NASA to Build New Asteroid-Hunting Space Telescope 157 Nolondil 05-Oct-19 01:11


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