Thought the universe was crowded with 100 billion to 200 billion galaxies? Try 1 trillion or even 2 trillion galaxies and more.

That's the latest census, reported Thursday.

An astrophysics professor at the University of Nottingham in England led the international team that came up with the mind-boggling estimate of 2 trillion galaxies in the universe.

Professor Christopher Conselice says that represents a minimum tenfold increase. The scientists based their galaxy head count on deep-space surveys by the Hubble Space Telescope and ground observatories.

They turned the images into 3-D and used new mathematical models for the update.


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