As Earth says goodbye to 'mini-moon,' asteroid's possible lunar origin revealed USA TODAYEarth’s ‘mini moon’ may have been a chunk of our actual moon The Associated PressEarth's '2nd moon' escapes our planet's orbit today — will it ever return? Livescience.comEarth bids farewell to 'mini moon' asteroid set for return visit in 2055 Fox NewsEarth's 'second moon' is just visiting its cosmic parents for Thanksgiving Space.com