What Observations of Other Stars Have Helped to Validate the Solar

question 32

Multiple Choice

What observations of other stars have helped to validate the solar nebula theory?

• A) Stars are found to exist more often in binaries than by themselves.
• B) Protostars are seen to radiate much of their light at infrared wavelengths.
• C) Nearby stars tend to be low-mass red dwarfs.
• D) Young stars are found to have hot disks that surround them.

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Definitions:

Pulmonary Artery Trunk

The main vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.

Dilated Veins

Veins that are enlarged and often visible under the skin due to increased blood pressure or volume.

Ventricular Contraction

The process where the ventricles of the heart contract to pump blood out of the heart.

Arteries

Vessels that transport blood rich in oxygen from the heart to different areas of the body.