The Visible Universe

What is The Visible Universe?

The Visible Universe meaning in Science terminology / glossary / dictionary is:
The Visible Universe includes everything that can be “seen” by the electromagnetic radiation it emits. This includes not just human-visible matter like stars and planets, but also sources such as the cosmic microwave background and astronomical radio, x-ray and gamma ray sources. Dark Matter and Dark Energy are explicitly excluded from the Visible Universe.

 

reference: Pacific Northwest National laboratory US

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