New Space Telescope To Replace Hubble 2021. NASAs James Webb Space Telescope the agencys successor to the famous Hubble telescope is scheduled to launch no earlier than Dec. James Webb will replace its predecessor the Hubble telescope.
The new space telescope is about 100 times more sensitive than its predecessor Hubble and is expected to profoundly transform scientists understanding of the universe and our place in it. One of the telescopes solar wings jammed as it was unfurling. -- Dont ask astronomers to choose between the Hubble Space Telescope and the new kid on the cosmic block the James Webb.
The lowdown on Hubble versus Webb.
Space telescope blasts off from French Guiana to replace aging Hubble. Hubble caught a lift to orbit tucked inside NASAs space shuttle Discovery in 1990. Webb will not actually orbit the Earth - instead it will sit at the Earth-Sun L2 Lagrange point 15 million km away. New York Dec 25.