Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The earth travels through space at 660,000 miles per hour.
189
Only 55% of Americans know that the sun is a star.
986
Sound doesn't travel in space.
255
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The earth is .02 degrees hotter during a full moon.
157
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221