3 ms·
Wasn't it the other way around? A type of supernovas ("standard candles") were discovered before the expansion and used to discover the expansion? The formula f
by FeatureRush 9y ago
Wasn't it the other way around? A type of supernovas ("standard candles") were discovered before the expansion and used to discover the expansion? The formula for distance only uses absolute and apparent magnitudes to calculate distance?
- empath75 9y agoYeah they calibrated red shift from standard candles.
- funnuf 9y agoThey use luminosity for SNe Ia.
- marcosdumay 9y agoYes, my comment above is wrong. It was the other way around.