The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
The light hitting the earth right now is 30 thousand years old.
163
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127