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Could the Universe be much older than we think? Early on its life it appears that our Universe was a place of puzzling extremes and seeming contradictions. That’s the conclusion scientists are drawing from new infrared observations of a very distant, unusually bright and massive elliptical galaxy.
This galaxy [in the white square above] was spotted 10 billion light years away, and gives us a glimpse of what the Universe looked like when it was only about one-quarter of its current age.
Measurements show that the galaxy is as large and equally dense as elliptical galaxies that can be found much closer to us. Coupled with recent observations by a different research team - which found a very compact and extremely dense elliptical galaxy in the early Universe - the findings deepen the puzzle over how ‘fully grown’ galaxies can exist alongside seemingly ‘immature’ compact galaxies in the young Universe.
‘What our observations show is that alongside these compact galaxies were other ellipticals that were anything up to 100 times less dense and between two and five times larger - essentially ‘fully grown’ - and much more like the ellipticals we see in the local Universe around us,’ explains Michele Cappellari of Oxford University’s Department of Physics, an author of a report of the research in The Astrophysical Journal Letters.
Also, using ISAAC near- infrared instrument aboard ESO's Very Large Telescope(VLT), and the phenomenon of gravitational lensing, a team of French and Swiss astronomers using Very Large Telescope (VLT) of the European Southern Observatory, have identified an extremely faint galaxy, Abell 1835 (image left).
According to interpretations, Abell 1835 must have formed just 460 million years after the universe was born, during the "Dark Age" when the first stars and galaxies were supposedly being born More recently, fully formed galaxies were discovered which are at a greater distance, over 13.1 billion light years (American Astronomical Society 2010), and which may have already been billions of years in age, over 13 billion years ago .
Originally posted by Geeky_Bubbe
reply to post by Pewbert
Far bigger? I suppose you've measured it?
Actually, there is not really a "size" as we [or maybe just I] understand.
I don't believe we will ever find the edge of the universe cos it just curves around, like my balloon example above, *and* expands... *creating* space to expand into, again, not unlike the balloon.
Originally posted by onequestion
How could something without a border have an age?
Originally posted by Gentill Abdulla
We don't really know the real age of the universe.
WE only know when the first light beams started.But if you think about it it raises questions.
How long did it take for the objects to light up? How long did it take them to get there?How long have they been objects?
Those are just to name a few things.And a few other things the op mentioned.
(I'm sorry if the link posted had that i didn't check)
That's an interesting question. But how can anything be infinite? It's hard for people to even understand the concept.