Quenching the Sun, for Fun

Friday, August 21, 2009 - 15:07 in Astronomy & Space

My kids asked me if there was enough water in the universe to quench the Sun.  I voted yes, but of course science isn't about voting, but about verifiable facts.  So now the explanation. The Sun has a mass of around a third of a million Earths.  Stealing a figure from MadSci.org, the mass of water on the Earth is 1/4400 the total mass.  We'll say we need enough water to completely douse every atom in that fusion-burning puppy we call Sol, so we'll need... 4400 * 0.3 * a million Earths.  This works out neatly to just over a billion Earths, to get enough water to douse the Sun. read more

Read the whole article on

More from

Learn more about

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net