What do you know about space that most people don't know?

• You cannot cry in space, because your tears will never fall.
• According to astronauts, the space smells like dried meat, hot metal and welding fumes
• Astronauts often lose their nails after taking a spacewalk.
• Astronauts on the International Space Station witness about 15 sunrises and 15 sunsets every day.
• The International Space Station is the most expensive item ever built for $ 150 billion.
• The sun will appear white in space, not yellow.
• Most astronauts grow two inches long in space.
• An astronaut threw a boomerang while visiting the International Space Station and the boomerang returned to him even in the absence of gravity.
• On the International Space Station, urine passes through a special water treatment plant, which converts it into drinking water.
• The Great Wall of China is not visible from space, but China's air pollution is definitely visible.
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• The rings of Saturn are not solid. They are made of ice, dust and rock fragments.