Canopus, the second brightest star in the night sky. (Sirius is the brightest.) Canopus is in the constellation Carina. The star is visible in the southern United States and elsewhere below 37 north latitude. Canopus has an apparent magnitude of -0.72 and an absolute magnitude of approximately -3.5. It is approximately 115 light-years from the earth.
It wasn't so long ago that astronomers thought the universe contained normal matter, or baryonic matter, the base unit of which is the atom. But when it comes to the cosmos, there's always more than meets the eye. What else is hanging out in space?
Leash your cheetah, buckle your seatbelt and tell Usain Bolt to take a knee. We're about to power through some of the speediest stuff this universe – both in the real world and in fiction – has to offer.