An asteroid shaped something like a sweet potato swept by the Earth on December 24, though at a sufficient distance (28 times further away than the Moon) to pose no hazard to our planet. 2003 SD220 was making the first of five predicted encounters within the next twelve years, and the measurements made by the […]
from Centauri Dreams http://ift.tt/1SjbLNQ
via IFTTT
Telescopically 