A 100-pound person on Earth would weigh 38 pounds on Mars.
102
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
