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Explain that the CMBR was generated shortly after the formation of the Universe and has shifted into the microwave region of the electromagnetic spectrum due to the expansion of the Universe.

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Explain that the CMBR was generated shortly after the formation of the Universe and has shifted into the microwave region of the electromagnetic spectrum due to the expansion of the Universe

This point belongs to The Universe, especially The Universe outcomes.
You need to be able to explain that the CMBR was generated shortly after the formation of the Universe and has shifted into the microwave region of the electromagnetic spectrum due to the expansion of the Universe.
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Description

Cosmic Microwave Background Radiation

The CMBR is the remnant radiation from the early universe, now observed in the microwave region of the electromagnetic spectrum due to the expansion of the universe.

a
State the origin of the CMBR.
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Related learning objectives

Understand that the Milky Way is one of countless galaxies that constitute the Universe, with a diameter of about 100,000 light-years.
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Explain redshift as the increase in the wavelength of electromagnetic radiation from stars and galaxies that are moving away from us.
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Recognize that light from distant galaxies appears redshifted compared to light observed on Earth.
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Acknowledge that the redshift observed in light from distant galaxies indicates that the Universe is expanding, supporting the Big Bang Theory.
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Understand that cosmic microwave background radiation (CMBR) is microwave radiation of a specific frequency detected throughout space.
The Universe outcomes

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