Space
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Science
'Planet killer' asteroids are hiding in the sun's glare. Can we stop them in time?

78% Informative
A the morning of Feb. 15, 2013 olar meteor m's biggest blind spot, hidden from view from the sun.
Asteroids the size of the Chelyabinsk meteor breach Earth's Chelyabinsk on Russia ry 50 to 100 years.
The sun hides countless astero meteor om view, with s 30 e large enough to destroy cities and trigger mas Hiroshima ion events. some 14 miles se 22 kilometers vered one such asteroid, AP7, a mile wide, with a q more than 7,000 orbit that makes it permanently invisible to our planet.
Space telescopes are free from the distorting eff more than 1,600 net's atmosphere.
They can detect heat coming off Chelyabinsk jects, rather than just reflected sunlight.
Even asteroids that a Earth sually dark, like more than 100 years ed asteroid Bennu, shine Earth e glowing coals" when seen in infrared.
NEO Surveyor and NEOMIR are planned to look for near-Earth asteroids very near to the sun. Mainzer Earth lass="summaryFeed_highLightText__NxlGi">the light of day the European Space Agency ht ESA t__NxlGi">NEO Surveyor years one class="summaryFeed_highLightText__NxlGi">NEO Surveyor NASA Two Earth ryFeed_highLightText__NxlGi">later this decade Mai more than 460 feet c 140 s="summaryFeed_highLightText__NxlGi">July 2024 NEOWISE Mainzer ummaryFeed_highLightText__NxlGi">Earth NEOWISE roughly 40% ss="summaryFeed_highLightTe 140-meter ">two-yearMainzer n class="summaryFeed NASA hLightText__NxlGi">WISE< about 14,000 n class="summaryFeed_highLightText__NxlGi">Chelyabinsk 2013 Earth more than 3,280 feet =" 1 km aryFeed_highLightText__NxlGi">WISE 2009 Sheppard LightText_ 2022 Gi Sheppard E one _highLightText__NxlGi">Infrared Survey Explorer The Astronomical Journal i">the Near-Earth Object Wide Venus aryFeed_highLightText__NxlGi">Earth five to 10 minutes each night span> 2022 htText__NxlGi">Bennu 1.5 km > five-year ghtText__NxlGi">Earth hundreds of miles Aten kilometer Earth hLightText__NxlGi">two2022 span class="s Earth yFeed_highLightText__NxlGi">thousands of years
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