Did You Know?
Time passes differently in space due to gravity.
Due to Einstein's theory of relativity, time moves slower in stronger gravitational fields. GPS satellites have to account for this effect - time passes about 38 microseconds faster per day for them than on Earth. Without this correction, GPS systems would drift by about 7 miles per day.
Did You Know?
Some stars are cool enough to touch.
Brown dwarfs, failed stars that never got massive enough to sustain nuclear fusion, can have surface temperatures as...
Did You Know?
There’s a planet made largely of diamonds.
55 Cancri e, a super-Earth about 40 light-years away, is likely made largely of carbon under such extreme...
Did You Know?
The most powerful explosion ever observed could have melted lead from 110 light-years away.
GRB 080916C, a gamma-ray burst detected in 2008, released more energy in a few seconds than our Sun...