RT @AsteroidEnergy: RT @BadAstronomer
These are the final days of MESSENGER. In 2 weeks or so, it’ll crash into Mercury. slate.com/blogs/bad_astr… …
RT @AsteroidEnergy: RT @BadAstronomer
These are the final days of MESSENGER. In 2 weeks or so, it’ll crash into Mercury. slate.com/blogs/bad_astr… …