Cosmologists have found galaxies that are said to be too old to exist. Why isn’t this simply evidence that the universe is older than we think?

Question

Cosmologists have found galaxies that are said to be too old to exist. Why isn’t this simply evidence that the universe is older than we think?

In: 81

Answer 1

The universe can be somewhat older than 13.7 billion years but not much. In 1961, physicist Robert Dicke argued that universe cannot be much older than 10 billion years, since in the far future all the fuel for stars will have been used up, and we require hot stars for our sustenance.