1. If two pieces of the same type of metal touch in space they will permanently bond (attach).
This incredible fact is also known as cold welding and it happens because the atoms of 2 pieces of metal have no way of knowing they are separate . This doesnt happen on earth because of the air and water found between the pieces.
2. There is floating water in space .
Astronaumers have found massive water vapour cloud which holds 140 trillion times the mass of water in the earths ocean somewhere around 10 billion light years away - making it the largest discovery of water ever found .
3. Since Pluto has been discovered , pluto has not made a single revolution to the sun.
Pluto will complete it's first full of orbit since discovery on March 23, 2178.
4. The universe has same temperature everywhere.
The heat of big bang fireball was bottled up in universe . The wierd thing is that its temperature 2.725°C above absolute zero ( -270°C ) the lowest temperature possible is essentially the same everywhere .
5. Neutron starts can spin 600 times a second.
Neutron starts are the densest and tiniest stars in the known universe and although they only have a radius of about 10 km they may have a mass of a few times that of the sun . They can rotate at up to 600 times per second after thy are born from a core collapse supernova star explosion and have been known to spin as fast as 600 - 712 times per second because of their physics .
6. Venus and the planet mercury are the two planets that dont have a single natural moon orbiting them .
7. Astronauts describe the smell of space as a mix of gunpowder , raspberries and rum.
8. One day on venus is longer than one year on earth .
Venus has a slow axis rotation which takes 243 earth days to complete its day. The orbit of venus around the sun is 225 earth days , making a year on venus 18 days less than a day on venus.
9. In 3.75 billion years the milky way and Andromeda galaxies will collide .
The Andromeda galaxy is approaching the milky way . Where our solar system is at rate of around 110 kilometres per second and eventually the two will collide to form a gaint alliptical galaxy .
10. You would need to fold the piece of paper into its half 45 times for it to be thick enough to reach the moon.
51 folds will get you to the sun.
81 folds and your paper will be 127,786 light years , almost as thick as Andromeda galaxy .
11. If you fold a piece of paper in half 103 times , the thickness of it will be greater than size of the observable universe which is 93 billion light years in diameter .
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