The Columbia space shuttle disintegrated while re-entering Earth's atmosphere due to damage caused from its launch. Here's why it went up but didn't come down.
What is exogenesis? Is it possible that life on earth did not begin here... on earth?
Why does a space shuttle get hotter on reentry than on liftoff? Find out on this Moment of Science.
Please Set a Contact Form 7 Shortcode. Check This Video Tutorial