"On March 21, 2013, the European Space Agency's Planck satellite gave a result of 67.80±0.77 km/(s· Mpc）。

In 2019, the Hubble constant calculated by German astronomers using the gravitational lensing effect was 82.4km/(s· Mpc）。

At the same time, the Hubble constant can be related to the cosmic scale factor R(t): H=(t)/R(t), which proves that the Hubble constant is time

"I Changed the Timeline with a Game" Chapter 341 The universe is gradually moving away, just like a youth that can never return It's in the middle of the hand, please wait a moment,

Once the content is updated, please refresh the page again to get the latest updates!