More than 20 million meteoroids enter Earth's atmosphere every day.
139
The heart of an astronaut actually gets smaller when in outer space.
216
Jupiter is bigger than all the other planets combined.
254
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Summer on Uranus lasts for 21 years.
358
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