Is Dust the Best Thing in the Universe? Part 3: Tiny Chemistry Labs

May 22, 2026 Universe Today

Is Dust the Best Thing in the Universe? Part 3: Tiny Chemistry Labs
By Paul Sutter (https://ift.tt/a3BczAE)

Barnard 68, a dark molecular cloud where dust grains shield the densest interior from UV radiation and catalyze the formation of complex molecules. (CC BY 4.0, ESO)

Two hydrogen atoms can't form an H2 molecule on their own in empty space. They need a surface. The universe has only one surface available, and it's something I have just spent two articles complaining about.

May 22, 2026 at 07:46PM
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