NASA's Biggest Telescope Ever Prepares for a 2021 Launch

Once the $10 billion Webb Telescope is blasted into orbit, it will seek out water on Earth-like planets, stars being born, and more elusive interstellar quarry.

NASA's Biggest Telescope Ever Prepares for a 2021 Launch
Once the $10 billion Webb Telescope is blasted into orbit, it will seek out water on Earth-like planets, stars being born, and more elusive interstellar quarry.