Top 10 Facts about Space - Interesting Facts You Should Know Video Credit
Number 1. SPACE IS COMPLETELY SILENT.
There is no atmosphere in space, which means that sound has no medium or way to travel to be heard. Astronauts use radios to stay in communication while in space, since radio waves can still be sent and received.
Number 2. THERE MAY BE LIFE ON MARS.
Of all the planets in our solar system, Mars is the one most likely to be hospitable to life. In 1986, NASA found what they thought may be fossils of microscopic living things in a rock recovered from Mars.
Number 3. NOBODY KNOWS HOW MANY STARS ARE IN SPACE.
The sheer size of space makes it impossible to accurately predict just how many stars we have.
Number 4. HALLEYS COMET WON’T ORBIT PAST EARTH AGAIN UNTIL 2061.
Discovered in 1705 by Edmond Halley, the famous comet was last seen in 1986 and is only seen once every 75 to 76 years.
Number 5. A FULL NASA SPACE SUIT COSTS $12,000,000.
While the entire suit costs a cool $12m, 70% of that cost is for the backpack and control module.
Number 6. THERE MAY BE A PLANET MADE OUT OF DIAMONDS.
As space facts go, this is pretty impressive. Research by Yale University scientists suggests that a rocky planet called 55 Cancri e — which has a radius twice Earth’s, and a mass eight times greater – may have a surface made up of graphite and diamond.
Number 7. THE FOOTPRINTS ON THE MOON WILL BE THERE FOR 100 MILLION YEARS.
The Moon has no atmosphere, which means there is no wind to erode the surface and no water to wash the footprints away. This means the footprints of the Apollo astronauts, along with spacecraft prints, rover-prints and discarded material, will be there for millions of years.
Number 8. ONE DAY ON VENUS IS LONGER THAN ONE YEAR.
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.
Number 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 giant elliptical galaxy.
Number 10. IF TWO PIECES OF THE SAME TYPE OF METAL TOUCH IN SPACE THEY WILL PERMANENTLY BOND.
This incredible fact is also known as cold welding and it happens because the atoms of two pieces of metal have no way of knowing they are separate. This doesn’t happen on Earth because of the air and water found between the pieces.
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