Red shift data from supernovae SN1 give H = 74km/sec-Mpc. The velocity of a region at distance d is v = Hd. Using the CMB data H = 70km/sec-Mpc. The two data points appears distinct at a rather high sigma.
LC On Friday, December 2, 2022 at 3:15:15 AM UTC-6 [email protected] wrote: > It's measured about 70 km/sec/megaparsec. This is a direct measurement > using red shift to measure recessional velocity, and different standard > candles depending on the distance. So, at a distance of one megaparsec, the > expansion rate is 70 km/sec; at two megaparsecs the expansion rate is 140 > km/sec; and so on. This suggests the rate of expansion is greater as we go > back in time; or conversely, that the rate of expansion is slower as we go > forward in time. How is this reconciled with the 1998 measurements that the > rate of expansion is actually speeding up? AG -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/5cf574b0-0c75-4daa-9342-11551f55a683n%40googlegroups.com.
