samjam's Activity (4)
samjam added a news bookmark.Given that each light-year — defined as the distance light travels in one Earth year — is about 6 trillion miles (9 trillion km), a black hole that lies 1,000 light-years away m...Over 3 years ago
samjam added a new comment inOver 3 years ago
samjamliked a comment in A Massive Chunk Of The Moon Just Came Up For Sale!.Over 3 years ago
samjam added a news bookmark.It’s creepy, spooky, and scheduled to rendezvous with Earth shortly after Halloween, on November 11, 2018. Before you get your hopes up, we are not talking about an alien, but a...Over 3 years ago
samjam is not following anyone yet.