Pluto is smaller than Russia.
9
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
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
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Jupiter is bigger than all the other planets combined.
254
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The earth travels through space at 660,000 miles per hour.
189