Tuesday, September 29, 2026

The Rate of Starbirth is Crashing in the "Modern" Universe

The cold molecular cloud Barnard 68 is a good example of the places where the material to form stars originates. A recent study shows that these clouds aren't being replaced as quickly as they used to be and star formation is slowing down over the past 4.5 billion years. Credit: ESO/VLT/FORS1

The Universe has been making fewer stars lately and astronomers want to know why. The obvious answer is: there hasn't been enough starbirth material. But, is that true? Is some other process at play? An international team led by researcher Hong Guo of the Chinese Academy of Sciences decided to dig into the reasons why it looks like starbirth is falling off.



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