Coming soon: Hubble’s successor

The Webb Telescope will be the premier observatory of the next decade, serving thousands of astronomers worldwide. It will study every phase in the history of our Universe, ranging from the first luminous glows after the Big Bang, to the formation of planetary systems capable of supporting life on planets like Earth, to the evolution of our own Solar System.

Comparison of Hubble and Webb primary mirrors

The Webb Telescope's segmented mirror system will be almost three times as big as Hubble's mirror.

Originally known as the “Next Generation Space Telescope” (NGST) and considered the successor to the Hubble Space Telescope, the telescope was renamed in September 2002 after former NASA administrator, James Webb.

More information about the Webb Telescope

Adapted from information issued by NASA.

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