titanic collisions mark the history of our solar system.
you can see evidence in such places as arizonas 50,000-year old meteor crater.
is earth due for another major blast??
meet the professional and amateur astronomers who may be the first to know.
at a near-earth asteroid detection facility in new mexico called LINEAR,
and the smithsonians minor planet center,where near-earth objects are tracked for possible hits or misses.
they have the tech to protect us. the question is : Will they protect us?
cocodrilll 2 years ago
weird thats scary
sephiroth77416 3 years ago