In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Jupiter is bigger than all the other planets combined.
254
The Earth gets 100 tons heavier every day due to falling space dust.
673
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160