There are a number of “voids” in the universe, which are regions which have comparatively few galaxies within them,…
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Does a Galaxy’s Distance from us Correlate with its Age?
The observed expansion of our universe allows us to see galaxies as they were when our universe was younger. …

Does the Universe Have an Edge, and What is it Expanding Into?
Our current understanding is that the universe appears to be infinitely big. What is actually happening is that the…

How is the Hubble Constant Affected by Dark Energy?
Since the Hubble constant is a function of redshift, it reflects a different value depending on how far back…

Can One Use a Telescope to Observe Objects in the Future as Well as the Past?
Due to the fact that the speed of light is a constant value throughout the Universe, one always sees…

Where Does the Energy Loss Due to Redshift Go in an Expanding Universe?
Let me refer you to an Ask Ethan blog post which provides an excellent detailed answer to your question. …