The earth rotates more slowly on its axis in March than in September.
145
It would take more than 150 years to drive a car to the sun.
569
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4