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Category: Science

The observable universe

[I suggest reading my earlier post, The Big Bang, before this one.] The observable universe (OU) is the part of the universe that we can, at least in principle, observe, from a designated vantage point at a given place and time. This post is my attempt to figure out in more detail exactly what the OU … Continue reading The observable universe

Posted on September 17, 2018December 24, 2020 by jsummers34Posted in Science, SpaceLeave a comment

The Big Bang

In cosmology, the term the Big Bang has several subtly different meanings. It means the moment in time, it means the "explosion" event, and it means the all the events and states of the early universe. How early is early? Could be lots of things. Maybe just the first fraction of a second, maybe the … Continue reading The Big Bang

Posted on September 5, 2018 by jsummers34Posted in Science, SpaceLeave a comment

Articles on this blog have not been fact-checked, and probably have some errors. The author is only an armchair scientist.

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