The earth rotates more slowly on its axis in March than in September.
145
A comet's tail always points away from the sun.
2
It 'snows' metal on Venus.
13
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Sound doesn't travel in space.
255
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
More than 20 million meteoroids enter Earth's atmosphere every day.
139