In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Astronauts cannot burp in space.
232
The earth is .02 degrees hotter during a full moon.
157
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Jupiter's moon Ganymede, is larger than the planet Mercury!
149