There are two golf balls sitting on the moon.
721
The Earth gets 100 tons heavier every day due to falling space dust.
673
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The sun is 330,330 times larger than the earth!
190
The earth rotates more slowly on its axis in March than in September.
145
The earth travels through space at 660,000 miles per hour.
189
Jupiter is bigger than all the other planets combined.
254