Astronomers believe that the first galaxies in the history of the universe didn’t begin to coalesce until at least a billion years after the Big Bang. An international team of astrophysicists is rewriting that theory, thanks to startling data received from the James Webb Space Telescope.
Surfing the Webb
This remarkable telescope, launched in December 2021, orbits the Sun about 150,000 kilometres away from Earth. Its huge 6.5-metre mirror is 100 times more powerful than the Hubble.