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" ... As we move from the era of 10-meter class ground-based telescope to 30-meter class telescopes, our resolution and light-gathering power will improve tremendously, enabling the detection and direct imaging of Earth-sized planets around Sun-like stars and smaller. Space-based proposals like HabEx and LUVOIR could use coronagraphs and/or starshades to not only take pictures of those planets directly, but to break their light up into individual wavelengths and measure the changes in that light over time. ... "
" ... This illustration shows an exoplanet orbiting its much brighter star. With its onboard coronagraphs,... [+] Webb will allow scientists to view exoplanets at infrared wavelengths they’ve never seen them in before. (Credits: NASA, ESA, and G. Bacon (STScI)) ... "