[NASAWebb] TRAPPIST-1 b: We give it a one (M-dwarf) star review; it lacks atmosphere. Webb found the dayside temperature of this rocky exoplanet to be about 450º F (227º C) — suggesting it has no significant atmosphere
[NASA Webb Telescope @NASAWebb] Webb researchers found 2 early galaxies, one of which may contain the most distant starlight ever seen. These 2 unexpectedly bright galaxies could fundamentally alter what we know about the very first stars
[@NASAWebb] James Webb has completed 2 more phases of its 3-month mirror alignment process
[NASA Webb Telescope] NASAWebb’s instruments all have “power-ups!” They have all been powered-on and are going through check-outs. Next steps have them cooling to final operating temperatures and getting ready to see starlight. unfoldtheuniverse Read more: go.nasa.gov/3AOdRRd