The U.S. military test launched an unarmed intercontinental ballistic missile in a routine exercise to maintain the readiness of its nuclear arsenal.
Astronomy would be a lot easier if there were no clouds of gas and dust in space. There'd be no need for telescopes with the abilty to see through these thick veils. Alas, space is not only full of things we want to see, but full of things that get in the way.

