UV Galaxy Surface brightness says no expansion

Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
Sign up Log in
30 replies · 7K views
I dont' see the point in talking about what happened to photons before the last surface of scattering of CMB photons. They have no effect on CMBR studies, aside from contributing to the power spectrum.
 

Similar threads

Derive surface brightness formula

  • Zapped17
  • · Replies 0 ·
  • Advanced Physics Homework Help
Replies
0

Undergrad What Is the Difference Between Surface Brightness and Apparent Brightness?

  • Huej
  • · Replies 8 ·
  • Astronomy, Astrophysics, Cosmology
Replies
8

Graduate Problem with Surface Brightness & cosmological parameters

  • ChrisVer
  • · Replies 3 ·
  • Astronomy, Astrophysics, Cosmology
Replies
3

Graduate Surface brightness to luminosity

  • Warimi
  • · Replies 1 ·
  • Astronomy, Astrophysics, Cosmology
Replies
1

Surface Brightness at any angle

  • dykuma
  • · Replies 3 ·
  • Introductory Physics Homework Help
Replies
3

Graduate Surface brightness profiles: sech^2 fit in mag/arcsec^2 units?

  • mdemone
  • · Replies 1 ·
  • Astronomy, Astrophysics, Cosmology
Replies
1

Graduate Tolman Surface Brightness Test -

  • _Andreas
  • · Replies 10 ·
  • Astronomy, Astrophysics, Cosmology
Replies
10

Graduate Tolman surface brightness test -

  • _Andreas
  • · Replies 3 ·
  • Astronomy, Astrophysics, Cosmology
Replies
3

Surface Brightness: Hubble Profile | Infinite Luminosity?

  • Logarythmic
  • · Replies 9 ·
  • Advanced Physics Homework Help
Replies
9

Is Surface Density of Starlight Synonymous with Surface Brightness?

  • Zaphodx57x
  • · Replies 1 ·
  • Advanced Physics Homework Help
Replies
1