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Two years of data from NASA's James Webb Space Telescope have now validated the Hubble Space Telescope's earlier finding that the rate of the universe's expansion is faster - by about 8% - than ...
Webb will far surpass both those telescopes, being able to see many more and much older stars and galaxies. [169] Observing in the infrared spectrum is a key technique for achieving this, because of cosmological redshift, and because it better penetrates obscuring dust and gas. This allows observation of dimmer, cooler objects.
To allow mid-infrared observations within the JWST, the MIRI instrument has an additional cooling system. It works roughly similar to how most refrigerators or an air-conditioner works: a fluid is brought down to a cold temperature in the warm section, and sent back to the cold section where it absorbs heat, then it goes back to the condenser.
Images of NGC 3132 reveal two stars close together within the nebulosity, one of 10th magnitude, the other 16th, located about 1.7″ away from the central star.The central star of the planetary nebula is a white dwarf, and is the fainter of the two stars.
The James Webb Space Telescope has helped demystify the strange 2009 observation of a giant star about 25 times more massive than the sun that appeared to disappear from existence.
The James Webb observation is, in essence, a more complete representation of the nursery's activity. This enhanced capture isn't just meant for show. Scientists hope to revise their star formation ...
NASA released the first complete set of images from the James Webb Space Telescope, including stars in their infancy and their final gasps.
JADES-GS-z13-0 is a high-redshift Lyman-break galaxy discovered by the James Webb Space Telescope (JWST) during NIRCam imaging for the JWST Advanced Deep Extragalactic Survey (JADES) on 29 September 2022.