"If the moon and a planet are near Castor and Pollux you have an impressive show." From our earthly perspective, the moon and Mars will appear closest to each other at around 8 p.
D printers will make the tools, structures and habitats space pioneers need to survive in a hostile alien environment.
Getting from Earth to space isn’t just about speed—it’s about planning the right trajectory. The Moon, our closest neighbor, ...
Thursday night into early Friday morning was the first of two celestial features this March, with a full “blood moon” lunar ...