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 from one point in Mercury's sky back to the same point (a solar day), while it only takes 88 Earth days for Mercury to orbit the Sun (its year).
Did You Know?
There’s a planet covered in lava oceans with winds seven times the speed of sound.
K2-141b is a planet so hot that it has oceans of molten rock and supersonic winds made of...
Did You Know?
There’s a planet covered in burning ice.
Gliese 436 b, a Neptune-sized exoplanet, is covered in a form of water ice that remains solid despite...
Did You Know?
There’s a planet that orbits its star every 18 hours.
WASP-19b orbits so close to its star that a year on this planet lasts just 18 hours. This...