What Did Edwin Hubble Study in the Andromeda Galaxy That

question 73

Multiple Choice

What did Edwin Hubble study in the Andromeda Galaxy that proved it was an individual galaxy and not part of our own Milky Way?

• A) Cepheid stars
• B) Type Ia supernovae
• C) globular clusters
• D) red giant stars
• E) RR Lyrae variables

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Definitions:

Monocytes

A type of white blood cell that plays a significant role in the immune response by differentiating into macrophages and dendritic cells.

Lymphocytes

A type of white blood cell that is an essential part of the immune system, with roles in both the innate and adaptive immune responses.

Hemocoel

The primary body cavity of most invertebrates, containing circulatory fluid, and is distinct from the blood vessels.

Hemolymph

A fluid equivalent to blood in most invertebrates, occupying the hemocoel and performing similar transport functions.