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Editor's Note: This post highlights data from Webb science in progress, which has not yet been through the peer-review process. We spoke with Kristen McQuinn of Rutgers University, one of the lead scientists on Webb Early Release Science (ERS) program 1334, focused on resolved stellar populations. These are large groups of stars – including stars …

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Webb Mid-Infrared Instrument Mode Returns to Functionality

In this illustration, the multilayered sunshield on NASA’s James Webb Space Telescope stretches out beneath the observatory’s honeycomb mirror

The James Webb Space Telescope's Mid-Infrared Instrument (MIRI) has four observing modes. On Aug. 24, after measuring increased friction in one of the grating wheels used in MIRI's medium resolution spectrometry (MRS) mode, the Webb team paused science observations using this specific mode. Since then, a team of experts has carried out an in-depth investigation that has reviewed instrument …

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NASA Webb Image Coming This Week

In this illustration, the multilayered sunshield on NASA’s James Webb Space Telescope stretches out beneath the observatory’s honeycomb mirror

NASA will share a new image or spectrum from the James Webb Space Telescope at least every other week on the mission's blog. This week, check the blog on Wednesday, Nov. 9 at 11 a.m. EST for a new image highlighting a nearby dwarf galaxy. In the meantime, learn more about what to expect as …

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