HAMMER, (still) hypothetical spacecraft to deflect asteroid and a story of the Earth passing by asteroid and comet dust that give us meteor shower.
Join @deepastronomy today talk about astronomy at the European Southern Observatory (@ESO) more at #365daysOfAstro
Selfie by InSight spacecraft. The best one from Mars.
How hot was the cosmic microwave background? Do gravitational waves travel at the speed of light? How do we understand cosmological redshift?
Check out today’s discussion by @Andy_SSA & Michelle Thaller about 15 Years of the Spitzer Space Telescope and other mission at #365DaysOfAstro
Steve and the Cheap Astronomy team investigate kinetic energy and special relativity and find some fantastic formulas.
We did it, we made it to the end of another year. Once again it’s time to wonder what gifts to get your beloved space nerds. We’ve got some suggestions. Some are brand new this year, others are classics that we just can’t help but continue to suggest. Let’s get into it.
The discovery of Comet C/2018 F3 (Johnson) and asteroid 2018 FO5! You know what? Comet C/2018 F3 will be back in 2037.