All Questions
Tagged with observable-universe fundamental-astronomy
4
questions
4
votes
1
answer
474
views
Necessary steps to calculate photon's path by using null geodesic equation
Can anyone please give me an explanation on how to calculate photon's path by using the null geodesic equation? N.B. I know all of the non-zero values of Christoffel symbols.
- 41
3
votes
1
answer
103
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If I look beyond (about same region, higher redshift) a galaxy, will I see its progenitors?
Is there a range of redhsift dz, such that if I look at z+dz from a massive object at redshift z, I will see its progenitors?
(in a LCDM scenario of halo assembling, with smaller halos evolving ...
user19333
1
vote
0
answers
41
views
Star Formation in the future [duplicate]
From what I understand stars form in dense clouds of hydrogen and helium molecules. Only so much hydrogen and helium were "created" from the Big Bang or rather formed if you may.
Is it conceivably ...
- 169
4
votes
1
answer
148
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Red shifting galaxies
I am an amateur astronomer please correct if any of my understandings are wrong. We all know that from the Hubble's ultra deep field image the most distant galaxies which were created shortly after ...
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