Green Matters on MSN
An Asteroid Just Flew by Dangerously Close to Earth — And Experts Detected It Hours Later
While most of them are small and disappear in the atmosphere, some of them come alarmingly close to our planet. While ...
BALTIMORE -- The Smithsonian's National Museum of Natural History will open the first public display of the Bennu asteroid sample on November 3. The carbon-rich, near-Earth asteroid was collected by ...
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