JWST Sees So Many Galaxies, and It's Just Getting Started By Nancy_A
COSMOS-Web is the largest program in JWST’s first year and the goal of the survey is to map the earliest structures of the universe, as well as create a deep survey of up to 1 million galaxies. With a total of 255 hours of observing time, COSMOS-Web will map 0.6 square degrees of the sky with NIRCam, roughly the size of three full moons, and 0.2 square degrees with MIRI.
The image above is a mosaic of images taken in early January by JWST’s Near-Infrared Camera and Mid-Infrared Instrument . The survey will It will gather additional data in another 77 pointings of the telescope in April and May and then a remaining 69 in December and January 2024. The goal of COSMOS-Web is to map the earliest structures of the universe and create a wide and deep survey of up to 1 million galaxies. The survey hopes to map cosmic reionization, study galaxy evolution and determine if dark matter can be linked to visible matter.
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