Skip to main content

All Questions

4 votes
2 answers
793 views

Does the luminosity of a star have the form of a Planck curve?

Figure shows the intensity of the radiant energy emitted from stars A and B over a unit time according to the wavelength. The area between the graph and the horizontal axis is S and 4S, respectively. ...
빛나는밤's user avatar
5 votes
1 answer
759 views

Would a red dwarf star resemble our own Sun at sunset to an observer on a nearby planet?

Suppose you're observing a red dwarf star at Noon from the surface of an Earth-like planet orbiting in the red dwarf's habitable zone, so that the red dwarf's luminosity is equal to our own Sun. Aside ...
RobertF's user avatar
  • 183