Only 55% of Americans know that the sun is a star.
986
The earth travels through space at 660,000 miles per hour.
189
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The Earth gets 100 tons heavier every day due to falling space dust.
673
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
There are two golf balls sitting on the moon.
721
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115