RT @abcnews Australian astronomers: humans must find new planets to live on http://bit.ly/IdlBP3 study exoplanetary & spaceflight sciences
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
RT @abcnews Australian astronomers: humans must find new planets to live on http://bit.ly/IdlBP3 study exoplanetary & spaceflight sciences