is it true that there are more stars in the sky than there is any grains of sand in the world

Question: is it true that there are more stars in the sky than there is any grains of sand in the world
- Keywords:
  sand,
  sky,
  star
Asked by 493radg37 to Ajay, Kate, Kuntal, Pip, Reka on 9 Nov 2016.
- Kate Elliott answered on 9 Nov 2016:
  
  That’s what I keep telling people when they ask me how many stars there are so I hope its true :/
- Reka Nagy answered on 9 Nov 2016:
  
  Some clever scientists who know a lot more about both stars and grains of sand have estimated that there are about 5-10 times more stars in the sky than there are grains of sand on Earth, but nobody has managed to get a definitive count of either so far!

Question: is it true that there are more stars in the sky than there is any grains of sand in the world