My brain's officially in orbit and yours will be too. View Entire Post › ...

All the “normal” matter, like the stars, gas, dust, and people, is called baryonic matter, and it’s basically the tiny visible fraction of a universe that’s mostly invisible and still not fully ...

Why they're black: Their gravitational pull is so extreme that even light can't escape Black holes are places where gravity is so powerful that nothing — not even light — can escape. Rather than being ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. This difference — about 9% — isn’t small, and measurement ...