Galaxies in All Directions Are Observed to Be Streaming Away

question 45

Essay

Galaxies in all directions are observed to be streaming away from us as if we were in thecenter of the universe. Contrast this impression with the Cosmological Principle and explain whya simple-minded interpretation of the Hubble expansion is incorrect.

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Definitions:

Stage III Pressure Ulcer

A severe pressure sore characterized by full thickness tissue loss that may expose subcutaneous fat, but not bone, tendon, or muscle.

Subcutaneous

Pertaining to or situated under the skin.

Eschar

A slough or piece of dead tissue cast off from the surface of the skin, especially after a burn injury, typically forming a crust over a healing wound.

Dermis

The layer of skin located beneath the epidermis, containing nerve endings, sweat glands, and hair follicles, responsible for the elasticity and strength of the skin.