Sentences with phrase «visible galaxies in the universe»
Not exact matches
However, starlight from the galaxies is invisible to the human eye and most modern telescopes due to other known factors that reduce visible and ultraviolet light in the universe.
https://www.sciencedaily.com/
Astronomers studying the motions of galaxies and the character of the cosmic microwave background radiation came to realize in the last century that most of the matter in the universe was not visible.
Those theories suggest that, since there is much more dark matter in the universe than visible matter, galaxies will form where large concentrations of dark matter (and hence stronger gravity) are present.
There are about 2 trillion galaxies in the visible universe!
The computer simulation showed that the dead galaxies remained stable because they had 100 times more dark matter than visible matter, providing more evidence of dark matter's importance in the universe.
In the image above there are around 5,500 visible galaxies, with some of them being billions of light years away and 13.2 billion years old — just 450 million years after the Big Bang and the creation of the universe.
Several hundred never before seen galaxies are visible in this «deepest - ever» view of the universe, called the Hubble Deep Field (HDF), made with NASA's Hubble Space Telescope.