A Moment of Science

Posts tagged meteoroid

February 4, 2014

 

Arieal photo of Arizona's Meteor Crater

Mapping (Potentially) Killer Asteroids

There are a million space rocks nearby. Astronomers have only mapped about 9,700 of them.

July 25, 2013

 

How Old Is The Surface Of Mercury?

Scientists have a new estimate for the geological age of one of Mercury's oldest regions.

September 27, 2003

 

What’s That in the Sky?

In his book Cosmos, the late scientist Carl Sagan talks about the way in which the earth is regularly struck by material from outer space. These collisions with space debris can be minor–as in a shooting star on a summer night–or amazingly destructive, as in the collision that probably killed off the dinosaurs. Thankfully, the […]

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