Astronomy - Ch. 17: The Nature of Stars (19 of 37) UBV Photometry: Examples of Stars

[@0219-n1e]

I`ve had a cold these five days. Now I feel well and ready for study.

[@sumaiyatahsin4707]

Sir do yu calculate the brightness ratios?

[@LearnMechanicalinதமிழ்]

Sir sun colour is white but how are u saying it is yellow??

[@MichelvanBiezen]

Does the Sun look yellow to you when you see it?

[@LearnMechanicalinதமிழ்]

@@MichelvanBiezenNo,sir.. But u said yellow in this video so that only i asked...

[@MichelvanBiezen]

Because the color of stars are taken as seen from the Earth's surface.

[@LearnMechanicalinதமிழ்]

@@MichelvanBiezen ooo now I understood sir..

[@dwaynelucier6624]

want too watch much more but eyes gettin prety hvy