A micrometeorite is an extra-terrestrial dust particle, measuring in the micrometers. Scientists believe that more than 3,000 micrometeorites fall to earth every second.
A single solar flare can release the energy equivalent of one hundred atomic bombs exploding all at once.
Atmospheric pressure is so strong on Saturn that some scientists think up to 1 million kilograms of diamonds may fall as precipitation there each year.
There are more than one sextillion stars in space... that's 1,000,000,000,000,000,000,000.
Think the Milky Way is big? The universe is made up of over fifty billion galaxies.
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