Astronauts cannot burp in space.
232
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
More than 20 million meteoroids enter Earth's atmosphere every day.
139
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18