☆ Yσɠƚԋσʂ ☆@lemmy.ml to

Space, the final frontier@lemmy.mlEnglish · 11 days ago

Why 21 cm is our Universe's "magic length"

0

1

Why 21 cm is our Universe's "magic length"

☆ Yσɠƚԋσʂ ☆@lemmy.ml to

Space, the final frontier@lemmy.mlEnglish · 11 days ago

0

Photons come in every wavelength you can imagine. But one particular quantum transition makes light at precisely 21 cm, and it's magical.

You must log in or register to comment.

Chat