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In emergency decision, James Webb telescope will study 'city-killer' asteroid 2024 YR4 before its close approach to Earth
In a rare "time-critical" decision, the James Webb Space Telescope will study the true size of the "potentially hazardous" ...
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Chances of asteroid striking Earth in the next decade has nearly doubled, NASA says
(NEW YORK) -- The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA astronomers.