20 SPACE FACTS THAT WON'T LET YOU SLEEP ANYMORE

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Space is astonishing, breathtaking and awe-inspiring. It is something the size of which along with the trillions upon trillions of objects in the many billion galaxies of the universe is almost incomprehensible to the human brain. Just think of it!
Smart is the new sexy offers you a list of the most incredible, mind-blowing and unbelievable facts about space. Whether it's for kids looking to learn more about space or you're looking for incredible facts for an article, or even if you just love space facts for no real reason, this video is definitely for you

#20 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.

#19 The hottest planet in our solar system is 450°C
Venus is the hottest planet in the solar system and has an average surface temperature of around 450°C. Interestingly, Venus is not the closest planet to the Sun – Mercury is closer but die to the fact that Mercury has no atmosphere to regulate temperature, it has a very large temperature fluctuations.

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