1 – Space travel is so expensive that an astronaut suit alone costs $12 million.
2 – Even if they are sad and lonely, astronauts can’t cry. Due to the effects of zero gravity tears will never fall out.
3 – Part of a sugar cube-sized neutron star weighs as much as all humans living on Earth.
4 – Within 24 Earth hours, ISS astronauts see 15 sunrises and 15 sunsets.
5 – The International Space Station has football field dimensions and weighs about 500 tons.
6 – When astronauts travel into space, their vertebrae and ribs expand, due to lack of gravity. So when they get to Earth they are surprised that they have grown and are a few centimeters taller.
7 – According to a study by the University of Wisconsin-Madison, the geological and climatic conditions of Jupiter and Saturn will cause diamond showers.
8 – If there is an ocean large enough, Saturn will float above it. It is the only planet in the solar system with a density below that of water.
9 – The first organism orbiting Earth was Laika, a dog sent into space by the Soviets in 1957. Then they sent 12 other dogs, of whom only five arrived alive to Earth.
10 – At present, more than 4,000 satellites orbit the Earth. The first satellite called Sputnik 1 was launched by the Soviet Union in 1957.
11 – Today the spacecraft will take 700,000 years to reach the nearest star.
12 – The highest mountain in the solar system is Mount Olympus, on Mars, and is 24 kilometers high, nearly three times as much as Mount Everest!
12 – No one knows how many stars are in space.
13 – Space is full of scrap like used rocket parts and dead satellites. Currently, more than 23,000 targets or scraps are being tracked.
14 – There are space laws governed by the United Nations Office for Outer Space Affairs to ensure that space does not become a war zone or a test site.