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
The light hitting the earth right now is 30 thousand years old.
163
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9