The earth travels through space at 660,000 miles per hour.
189
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Only 55% of Americans know that the sun is a star.
986
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The sun is 330,330 times larger than the earth!
190
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
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