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Space & Astronomy

Galaxies are a lot more numerous than thought

By T.K. Randall
October 15, 2016 · Comment icon 22 comments

We have barely even begun to study all the galaxies that are out there. Image Credit: NASA/ESA/ESO
There are believed to be ten times as many galaxies in the universe than previous studies had suggested.
The discovery was made by an international group of astronomers who used data collected by the Hubble Space Telescope to create a 3D computer model of the known universe.

By implementing new mathematical models to calculate the locations of galaxies not yet observed by a telescope, the scientists were able to determine that there are in fact ten times as many galaxies in the universe than had been previously thought to exist.
Those that we have yet to observe are either too distant or too faint to see with today's telescopes.

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

Source: Space.com | Comments (22)




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Recent comments on this story
Comment icon #13 Posted by Derek Willis 8 years ago
As you know - but seem not to have mentioned - the dark matter halo is a hypothetical component of spiral galaxies such as the Milky Way, proposed as an explanation of why the stars at the outer reaches rotate around the galactic center faster than they ought to due to the known baryonic matter. So if dark matter exists where we are - i.e. within the solar system - why doesn't it effect the motions of the planets around the sun? The hypothesis is that the dark matter is spread out so thinly within the Milky Way - and well beyond the limits of the baryonic matter - that its effects on the mo... [More]
Comment icon #14 Posted by coolguy 8 years ago
Im sure there are million of galaxys out there space dont end it just goes on and on and on
Comment icon #15 Posted by Poppi 8 years ago
Somebody call the cops and finger charles- if i don't return. Thinking i have solved the equation. The solution simply requ  
Comment icon #16 Posted by Parsec 8 years ago
For real?    Poppi, we all know that the solution to the equation is 42, we just don't know why. 
Comment icon #17 Posted by Poppi 8 years ago
Error 404 page not found ...---...
Comment icon #18 Posted by Parsec 8 years ago
I guess he means recorded, not directly studied.    I ask Waspie's (or whoever can know the answer) help on this, but are we able to detect all the baryonic matter of a galaxy or a galaxy cluster?  Or only their stars an dust illuminated by stars' light?  Could it be possible that stars have actually a lot more Jupiter's type of planets around them and/or there are way more brown dwarfs that theorised?    Could it be that actually dark matter is simply baryonic matter we can't detect yet?    This news together with this one regarding the possibility that actually we could not need da... [More]
Comment icon #19 Posted by DieChecker 8 years ago
We'll need to build a gigantic computer the size of the Moon to backward crunch the numbers to find that out.  We could call it the Large Towel Processor.
Comment icon #20 Posted by freetoroam 8 years ago
Sure...and as man  gains new and more advanced technology to reach further afield and bring us back the info, more will be found. i do  think NASA  are fully aware there is so much more to find, but this is a timeless task and one which must be passed through to our future generations.
Comment icon #21 Posted by Merc14 8 years ago
It turns out, what we call the observable universe — the part visible within our cosmological horizon, A.K.A. the final frontier — has at least 10 times more galaxies than the mid 1990s Hubble Deep Field images count of about 100 to 200 billion. Using collected data from various deep space images from the Hubble Space Telescope and other sources, an international team of scientists led by Christopher Conselice from the University of Nottingham, UK, created a 3D map of the known universe. Mathematical models were used to calculate for galaxies current telescopes cannot yet observe. Thes... [More]
Comment icon #22 Posted by AdealJustice 8 years ago
it seems we are even smaller in the scheme of things than previously thought and yet religious folk will continue in their hubris to believe their earthly deities.  


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