Universe has 10 times more galaxies than previously thought: new study

Universe has 10 times more galaxies than previously thought: new study

The universe has ten times more galaxies than scientists previously estimated to exist, a fresh analysis of deep-space images and other data collected by the Hubble Space Telescope suggested.

An international team of scientists used Hubble data, particularly Hubble's Deep Field images, to create a 3D map of the universe, which contains up to 200 billion galaxies. It may be noted here that the powerful telescope's Deep Field images revealed the most far-flung galaxies ever seen.

Incorporating new mathematical models, the researchers calculated where other unknown galaxies might exist. They concluded that the universe has at least 10 times more galaxies than those that are already known to exist.

However, those unknown galaxies are either too far-flung or too dim to be seen even with existing telescopes.

Lead researcher Prof. Christopher Conselice, of the University of Nottingham, said, "It boggles the mind that over 90 percent of the galaxies in the universe have yet to be studied. Who knows what interesting properties we will find when we observe these galaxies with the next generation of telescopes."

The research team detailed their new study into deep space in the most recent issue of the Astrophysical Journal.


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