NASAS Spitzer Space Telescope discovered evidence that a high-speed collision between two planets happened a few thousand years ago. Scientists think this type of collision is how planets, like the Earth, are formed.
Watch video Telescope Finds Proof of Cosmic Smash-Up online, duration hours minute second in high quality that is uploaded to the channel Discovery 13 August 2009. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 50,087 times and liked it 231 visitors.