There are two golf balls sitting on the moon.
721
Summer on Uranus lasts for 21 years.
358
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The Earth gets 100 tons heavier every day due to falling space dust.
673
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Lightning strikes about 6,000 times per minute on this planet!
158
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46