Which of These Speeds Are Described by Hubble's Law

question 90

Multiple Choice

Which of these speeds are described by Hubble's law?

• A) speeds of individual galaxies in the Local Group and other nearby galaxy clusters
• B) speeds of superclusters of galaxies
• C) speeds of stars in the Milky Way Galaxy
• D) speeds of individual clusters of galaxies in the Milky Way's local supercluster

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Definitions:

UV Rays

Ultraviolet rays, a type of electromagnetic radiation emanating from the sun and artificial sources like tanning beds, with wavelengths shorter than visible light but longer than X-rays.

Melanin

A natural pigment found in most organisms, responsible for coloration in skin, hair, and eyes, and provides protection against UV radiation.

Suntanned

The darkening of skin color due to the exposure to sunlight or ultraviolet light which increases melanin production in the skin.

Sunburned

Damage to the skin caused by excessive exposure to ultraviolet radiation from the sun, leading to redness and inflammation.