Dark Energy – How do we know it exists?
Added 2017-04-26 15:08:16 +0000 UTCaka how do we know the universe is accelerating?
Comments
Cool
Kravenar Games
2017-05-17 16:18:08 +0000 UTC.. my first clue was the flashing lights and sirens coming up from behind us. :P
Jesse Thompson
2017-04-26 20:07:16 +0000 UTC
