---
author: Eric Wagoner
date: '2001-02-21T12:01:00'
draft: false
title: Billions of Earths
---

According to one new novel approach to detecting planets around stars (looking for extra iro in the star itself, which would have come from iron-rich ateroids crashing into it, sent there by close encounters with Earth and Mars-sized planets), there are ["billions of Earths"](http://www.telegraph.co.uk/et?ac=004393916200779&rtmo=aCqaa4TJ&atmo=rrrrrrrq&pg=/et/01/2/21/waa21.html) in this galaxy alone. Let's go and get 'em!