Quick facts What it is: Sagittarius B2 (Sgr B2) molecular cloud Where it is: 25,000 light-years from Earth in the constellation Sagittarius When it was shared: Sept. 24, 2025 Why it’s so special: Stars in the Milky Way galaxy are born in huge molecular clouds. The most massive is Sagittarius B2, which is just a few hundred light-years from our …
Read More »James Webb Space Telescope reveals thick cosmic dust of Sagittarius B2, the most most enormous star-forming cloud in the Milky Way — Space photo of the week
