7
   

Newly released Hubble pics

 
 
Reply Wed 21 Mar, 2018 06:52 am
http://www.iflscience.com/space/nasa-just-released-an-amazing-batch-of-new-images-taken-by-hubble/

Mighty purty. I seen god peeking from behind those dudes. It had buck teeth and hair like a braided horse tail.
 
rosborne979
 
  2  
Reply Wed 21 Mar, 2018 07:06 am
@edgarblythe,
This was interesting (Caption below photo): "The globular cluster M75 contains about 400,000 stars. It is 13 billion years old and found 67,500 light-years from us."

That globular cluster is almost as old as the Universe itself, as are most galaxies. A reminder that Galaxies formed very soon (relatively speaking) after the quark fog "froze" into baryons, and they in turn froze into atoms. I may be mistaken, but it seems that gravity must have already dominated galactic formation before the baryons erupted into being.
jespah
 
  1  
Reply Wed 21 Mar, 2018 07:39 am
Gorgeous!
0 Replies
 
brianjakub
 
  1  
Reply Mon 26 Mar, 2018 06:51 pm
@rosborne979,
Without matter there is no gravity
rosborne979
 
  3  
Reply Tue 27 Mar, 2018 08:18 am
@brianjakub,
brianjakub wrote:

Without matter there is no gravity

Primordial particles and even energy, have mass, and it's the mass which causes the curvature of space (not just matter) that we measure as gravity.

So even though there was no solid Baryonic matter in the early universe, there was still the force of gravity, and there were still distortions in localized curvature due to energy and quark distribution.

The real question is why is there variation at all? Why wasn't the early universe just flat and homogenized? There are some good theories to explain this already, but I don't think any one of them yet tops the heap.
brianjakub
 
  1  
Reply Fri 30 Mar, 2018 07:47 pm
@rosborne979,
What's a primordial particle and how much mass does it have? And how much mass does energy have if it's not in a particle of matter? Or are you saying there is mass stored in the Higgs field?
0 Replies
 
Brandon9000
 
  2  
Reply Fri 30 Mar, 2018 09:09 pm
@edgarblythe,
Fabulous!
0 Replies
 
edgarblythe
 
  1  
Reply Tue 3 Apr, 2018 02:17 pm
The furthest star observed to date.
https://amp.thisisinsider.com/images/5ac3466d42e1cc7b186ed230-640-427.jpg
http://www.thisisinsider.com/the-hubble-telescope-spotted-the-furthest-star-ever-seen-2018-4
0 Replies
 
 

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