The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
It would take more than 150 years to drive a car to the sun.
569
Only 55% of Americans know that the sun is a star.
986
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 100-pound person on Earth would weigh 38 pounds on Mars.
102
Sound doesn't travel in space.
255