Greg Leonard discovered asteroid 2016 GC221 & 2016 CG18
Author Archive | Al Grauer
Is asteroid dangerous for us on Earth?
All about Comet P/2016 BA14 and the Earth’s wobble
Looking for more information of Comet 252P, P/2016 BA14 and Asteroid Bennu!
Martian lakes and the discovery of hazardous NEO 2016 EE156
Finally found after 75 years! Asteroid 878 Mildred!
Jupiter’s Moon, Europa and Saturn’s Moon, Enceladus, both have cold ocean in their subsurface.
Space rocks close approaches with Earth & fragments of asteroid collision.