* Posts by Guy Hanson

1 publicly visible post • joined 12 Feb 2009

Satellites crash over Siberia: Iridium bird destroyed

Guy Hanson

@Mark Wills

The parts may be weightless but they still have mass. Weight is just gravity pulling the mass.

So a mass travelling at 1000's miles/hour is going to hurt.

Momentum (ie the stuff you are trying to stop) = Mass x Velocity.