The earth rotates more slowly on its axis in March than in September.
145
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
Summer on Uranus lasts for 21 years.
358
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Astronauts get taller when they are in space.
224
If two pieces of metal touch in space, they become permanently stuck together.
808
More than 20 million meteoroids enter Earth's atmosphere every day.
139
It would take more than 150 years to drive a car to the sun.
569