The oldest GRB yet detected, from the time of the dark ages, indicates that:

 

 

Life could not have existed in the early universe because the elements of life, including carbon and oxygen, did not exist.

 

The oldest GRB yet detected, from the time of the dark ages, indicates that:

 

 

 

One of the problems in cosmology today is that we do not see more type II supernova blasts at these distances.

 

In the early time of the universe, according to the present BB model, many large stars should have existed with many type II supernova explosions creating the heavier elements. On the other hand type 1a supernovas should have been very rare or non-exitent because they are supposed to involve very old white dwarf stars exploding. In fact they are seeing both types of supernovas infrequently at these distances, which contradicts the Big Bang model and how the universe was supposed to have evolved concerning large stars and the production of the heavier elements. The fact that they are seeing type 1a supernovas at all at these distances may indicate that something is wrong with either the BB model or supernova models.

Edited August 15, 201312 yr by pantheory

 

One of the problems in cosmology today is that we do not see more type II supernova blasts at these distances.

 

In the early time of the universe, according to the present BB model, many large stars should have existed with many type II supernova explosions creating the heavier elements. On the other hand type 1a supernovas should have been very rare or non-exitent because they are supposed to involve very old white dwarf stars exploding. In fact they are seeing both types of supernovas infrequently at these distances, which contradicts the Big Bang model and how the universe was supposed to have evolved concerning large stars and the production of the heavier elements. The fact that they are seeing type 1a supernovas at all at these distances may indicate that something is wrong with either the BB model or supernova models.

 

The [most distant Type 1a] supernovas were found in galaxies ranging from four to seven billion light years away.

There is a big difference between the furthest Type 1a supernovas and the furthest GRB.

There is a big difference between the furthest Type 1a supernovas and the furthest GRB.

 

 

 

EdEarl

 

Yes, there is a a pretty big difference in distance 10.4 billion years away for the farthest type 1a supernova. Its redshift was 1.914 vs. 12.7 billion years for your type II supernova. Type II supernova are much more powerful/ brighter so that we should expect to see more of them at those distances. Because of their brightness this should be true ever if they didn't happen more often than type 1a supernova.