The heart of an astronaut actually gets smaller when in outer space.
216
The Earth gets 100 tons heavier every day due to falling space dust.
673
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Summer on Uranus lasts for 21 years.
358
The earth is .02 degrees hotter during a full moon.
157
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8