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To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...
Using the James Webb Space Telescope, scientists spotted thin and thick disks in galaxies as far back as 10 billion years ago ...
Disk galaxies, like our own Milky Way galaxy, commonly consist of both a thick and thin disk of stars—each with different ...
Webb discovered dozens of small, powerful galaxies from 800 million years ago that likely drove cosmic reionization by ...