Free Astronomy Magazine May-June 2020

34 SMALL BODIES Estimates produced from satellite data and extrapolations from meteor falls indicate that, every day, a few to a few hundred tons of dust and rock enter the Earth's atmosphere from outer space. Nobody knows the precise amount, but it is assumed that all of that material formed in our own Solar System and therefore moves at a relatively slow speed. But is it really so? Do sub-relativi meteors exist? s by Michele Ferrara revised by Damian G. Allis NASA Solar System Ambassador MAY-JUNE 2020