More than 20 million meteoroids enter Earth's atmosphere every day.
139
Summer on Uranus lasts for 21 years.
358
Astronauts cannot burp in space.
232
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The Earth gets 100 tons heavier every day due to falling space dust.
673
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
A comet's tail always points away from the sun.
2