"We're planning to investigate the nature of dark energy in the universe, and understand the nature of these very old objects. And characterizing planets around other suns puts us on the path to finding out if there’s another Earth out there." The Webb will also assist in the hunt for exoplanets, something that Hubble still does but was not designed for, according to Space.com."
4. And it may help us find the next Earth.
"We're planning to investigate the nature of dark energy in the universe, and understand the nature of these very old objects. And characterizing planets around other suns puts us on the path to finding out if there’s another Earth out there." The Webb will also assist in the hunt for exoplanets, something that Hubble still does but was not designed for, according to Space.com."
Related links:
https://www.jwst.nasa.gov/
https://en.wikipedia.org/wiki/James_Webb_Space_Telescope