Thanks to the telescope's deep and sharp infrared images, Earthlings are getting a more detailed look at distant galaxies than was ever possible.
The bright star at the center of NGC 3132, Southern Nebula Ring, while prominent when viewed by NASA's Webb Telescope in near-infrared light, plays a supporting role in sculpting the surrounding nebula. A second star, barely visible at lower left along one of the bright star's diffraction spikes, is the nebula's source. It has ejected at least eight layers of gas and dust over thousands of years.
The images reflect five areas of space that researchers agreed to target: the exoplanet WASP-96 b; the Southern Ring Nebula; the Carina Nebula; Stephan's Quintet ; and the galaxy cluster SMACS 0723.One of the most eye-popping images released on Tuesday depicts what looks to be cosmic cliffs, valleys and mountains — albeit with mountains that stretch to seven light-years in height.
Researchers hope to learn more about how galaxies merge and interact, including triggering each other to form new stars, and how those processes might be impacted by supermassive black holes. The image casts the quintet in a new light, after they"This enormous mosaic is Webb's largest image to date, covering about one-fifth of the Moon's diameter," NASA said."It contains over 150 million pixels and is constructed from almost 1,000 separate image files.
A light curve from Webb's Near-Infrared Imager and Slitless Spectrograph shows the change in brightness of light from the WASP-96 star system over time as the planet transits the star. A transit occurs when an orbiting planet moves between the star and the telescope, blocking some of the light from the star.
"If you held a grain of sand on the tip of your finger at arm's length, that is the part of the universe you are seeing — just one little speck of the universe," NASA Administrator Bill Nelson said on Monday. "This deep field, taken by Webb's Near-Infrared Camera , is a composite made from images at different wavelengths, totaling 12.5 hours – achieving depths at infrared wavelengths beyond the Hubble Space Telescope's deepest fields, which took weeks," NASA said.
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