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Fraser
2008-Jan-21, 11:20 PM
One of the most spectacular sights in the night sky is a fireball; a rock from space impacts the atmosphere and blazes a trail that can last seconds or even minutes. These burn up harmlessly, but when do they turn dangerous? When do asteroids get large enough that they can actually get through the atmosphere [...]

More... (http://feeds.feedburner.com/~r/universetoday/pYdq/~3/220620871/)

Noclevername
2008-Jan-21, 11:38 PM
When Do Asteroids Turn Dangerous?


When Han Solo is flying you through them.

JustAFriend
2008-Jan-22, 11:17 PM
Asteroids dont turn... they fly in a straight line.

They're only dangerous when you get in front of them...

Noclevername
2008-Jan-22, 11:28 PM
Asteroids dont turn... they fly in a straight line.


Nothing in the Solar system flies in a straight line! :naughty:

Tobin Dax
2008-Jan-22, 11:40 PM
Nothing in the Solar system flies in a straight line! :naughty:
That depends on your coordinate system. :D

JustAFriend
2008-Jan-23, 03:22 PM
Your moment of Zen for today: A short section of a very long curved line is impossible to differentiate from a straight line....

;-)

Occam
2008-Jan-23, 11:45 PM
When Do Asteroids Turn Dangerous?
They are like buffalo. Only dangerous if you get in their way

EndeavorRX7
2008-Jan-23, 11:59 PM
Q. When do they turn dangerous?

A. Over the course of many many years.