We Are All Made of Stardust

We Are All Made of Stardust

  The story of the Universe began 13.7 billion years ago and now there are more than 100 billion galaxies with a trillions of stars. If it’s hard to imagine how many stars is this let me use a example to make this easier. Imagine that you are on the beach and scooped up a handful of sand. Can you guess how much grit you are holding at this point? Yes, the number is definitely big! Now imagine the count of all the grains of sand on Earth- in every beach, every riverbed, each marine or ocean bottom. In the...