There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Only 55% of Americans know that the sun is a star.
986
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Astronauts cannot burp in space.
232
Pluto is smaller than Russia.
9
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
More than 20 million meteoroids enter Earth's atmosphere every day.
139