How Much Time Does It Take for a 1-Solar-Mass Protostar

question 126

Multiple Choice

How much time does it take for a 1-solar-mass protostar to finish accreting mass from the interstellar cloud?

• A) 10,000 years
• B) 100,000 years
• C) 1 billion years
• D) 10 million years

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Definitions:

Anemia

A condition in which there is a deficiency of red cells or of hemoglobin in the blood, resulting in pallor and weariness.

Infection

The invasion and multiplication of microorganisms such as bacteria, viruses, and fungi that are not normally present within the body.

Electrolyte imbalance

A condition where the levels of electrolytes (minerals such as potassium, sodium, and calcium) in the body are either too high or too low, affecting bodily functions.

Leukemia

A medical condition in which bone marrow produces a large number of white blood cells that are not normal.