The snapshot of the sky captured by James Webb shows 25,000 galaxies -- and it's just a taste of what is to come.
One of the major aims of the James Webb Space Telescope is to observe some of the earliest galaxies in the universe, and to do that it needs to be able to see extremely distant objects. But looking at a particular very old galaxy in detail is only half of the problem. To truly understand the earliest stages of the universe, astronomers also need to see how these very old galaxies are distributed so they can understand the large-scale structure of the universe.
“It’s incredibly exciting to get the first data from the telescope for COSMOS-Web,” said principal investigator Jeyhan Kartaltepe of the Rochester Institute of Technology, in a statement. “Everything worked beautifully, and the data are even better than we expected. We’ve been working really hard to produce science-quality images to use for our analysis, and this is just a drop in the bucket of what’s to come.
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