Chirp!
  • Login
Chirp! is a GNU Social instance for the Cooley and Sekula families and their friends.

  • Public

    • Public
    • Network
    • Groups
    • Popular
    • People

Plot of the Cosmic Microwave Background spectrum from the FIRAS instrument on the COBE satellite. An ideal blackbody curve slices cleanly through the data points and bisects each set of error bars.

Download link

https://files.mastodon.social/media_attachments/files/112/038/289/579/590/789/original/1e5947ceb871b888.jpeg

Notices where this attachment appears

  1. Robert McNees (mcnees@mastodon.social)'s status on Monday, 04-Mar-2024 16:10:33 UTC Robert McNees Robert McNees
    in reply to

    Among the results established in Tolman's book, he shows that blackbody radiation cools but remains thermal as the universe expands. This anticipates the Cosmic Microwave Background, the most precise blackbody spectrum ever measured!

    Figure: Ned Wright (https://www.astro.ucla.edu/~wright/cosmo_01.htm)

    In conversation about 9 months ago from mastodon.social permalink
  • Help
  • About
  • FAQ
  • Privacy
  • Source
  • Version
  • Contact

Chirp! is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.

Creative Commons Attribution 3.0 All Chirp! content and data are available under the Creative Commons Attribution 3.0 license.