LOOKING FOR EXTRATERRESTRIAL DUST
Hoping to find samples of cosmic dust, NASA scientists carefully inspect tiny particles captured by high-flying planes. They have a ...
Hoping to find samples of cosmic dust, NASA scientists carefully inspect tiny particles captured by high-flying planes. They have a rule of thumb: If a particle is large enough to see without a microscope, it is probably contamination of their sample and not extraterrestrial debris. — Dr. Uel Clanton, associate curator for cosmic dust, Johnson Space Center
01/4/15