Near-Earth asteroid fly-bys and impacts, exploring our apocalypse prevention

One cosmic rock a half-mile wide could change our planet forever, unless we spot it well-ahead of time.

      

from USATODAY - News Top Stories https://ift.tt/3hYUSrN

One cosmic rock a half-mile wide could change our planet forever, unless we spot it well-ahead of time.

      

September 24, 2020 at 07:59PM https://ift.tt/3j2IFnl https://ift.tt/3hYUSrN