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How Many Atoms Are There In The World?

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Earlier today I received a reader-submitted question from Bryan in New York. He asks, “How many atoms are there on Earth?”

Whether purposefully or not, Bryan has asked a very difficult question, and one that is nearly impossible to answer exactly. But, thanks to science, we can estimate.

According to the US Department of Energy’s Jefferson Lab, the answer is:

133,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000.

That answer comes from an estimation of the number of atoms in each of Earth’s elements, like Iron, Oxygen, Silicon, Magnesium, Sulfur … etc. Adding them all together, we get a number that works as an estimate.

Have a burning question that you’d like answered? Fire away:

7 Comments on How Many Atoms Are There In The World?

  1. Avengers Fan // June 14, 2014 at 6:43 pm // Reply

    That’s alot

  2. Joss€£¥ // June 17, 2014 at 5:46 am // Reply

    Boys life is awesome !!!$!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  3. DribbleBot // June 17, 2014 at 9:11 am // Reply

    Wow. i thought there would be a lot more.

  4. wow

  5. that is so freakishly awesome!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  6. purple bird // June 18, 2014 at 6:45 pm // Reply

    Well, as Asap Science says, theeeeeeeeere’s hydrogen and helium and lithium, berillium, boron, carbon everywhere, nitrogen all through the air, oxygen for you to breathe and flourine for your for pretty teath, neon to light up those signs, sodium for salty times.

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