Today's top fuel dragsters take off with more force than the space shuttle.
120
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
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
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
More than 20 million meteoroids enter Earth's atmosphere every day.
139