1. Mecury and Venus are the only two planets that have no moons 

 

2. If a star passes too close to a black hole , it can be torn apart 

 

3. The hottest planet on our solar system is venus 

 

4. The highest mountain discovered is the olympus mons, which is located on mars 

 

5. The milky way galaxy is 105, 700 light years wide 

 

6. The sun weighs about 330, 000 times more than the earth 

 

7. Footprints left on the moon won't disappear as there's no wind 

 

8. If you leave earth at age 15 in a spaceship at the speeds of light and spend 5 years in space,  when you are back to the earth you will be 20 years old but, your friends who are at the same age before you left earth will probably be 65 years of age

 

9. On mars  a human being weighs only 37percent of what they weighs on earth due to the less gravity 

 

10. The total number of stars in the universe is larger than all the grains of sand on all the beaches on planet earth 

 

2. Rhythm is the Longest English word without a vowel

3. It is physically impossible for pigs to look up into the sky 

4. It is impossible to lick your elbows 

5. Honey is the only food that doesn't spoil 

6. A crocodile cannot stick it's tongue out 

7. A snail can take a nap for three years 

8. All polar bears are left handed 

9. Elephants are the only animals that cannot jump 

10. In the last 4000 years,no new animals has been domesticated 

11. Stewardness is the longest word typed with only left hand 

12. Unicorns never existed ,they were myths created by the Greece which is probably a symbol for peace