Did You Know?
There’s a planet where it rains rubies and sapphires.
On HAT-P-7b, a gas giant 1,000 light-years away, changing temperatures in the atmosphere cause aluminum oxide (the same material as rubies and sapphires) to condense into clouds and then rain down as precious stones. The planet's extreme heat then vaporizes these gems back into clouds.
Did You Know?
A day on Mercury is twice as long as its year.
Due to Mercury's slow rotation and fast orbit, it takes 176 Earth days for the Sun to move...
Did You Know?
The largest storm ever observed was bigger than Earth itself.
The Great Dark Spot on Neptune, observed by Voyager 2 in 1989, was large enough to contain the...
Did You Know?
Europa shoots water into space from 125-mile-high geysers.
Jupiter's moon Europa has massive water plumes that shoot from cracks in its icy surface. These geysers are...