NASA Scientist, Dr. David Morrison, discusses the science behind Doomsday 2012.
Posted by: Soderman/NLSI Staff
NLSI’s DREAM team modelers help search for Moon dust fountains In exploration, sometimes you find more than what you’re looking for, including things that shouldn’t be there. As the Apollo 17 astronauts orbited over the night side of the moon, with the sun just beneath the horizon right before orbital “sunrise,” Eugene Cernan prepared to make observations of sunlight scattered by the sun’s thin outer atmosphere and interplanetary dust from comets and collisions between asteroids.
The lunar "dust" is made mostly of tiny jagged fragments of volcanic glass.