What Is the Range of Timescales for Star Formation

question 82

Multiple Choice

What is the range of timescales for star formation?

• A)from 1 million years for the most massive stars up to 10 million years for the least massive stars
• B)from 1 million years for the most massive stars up to 100 million years for the least massive stars
• C)from 1 million years for the least massive stars up to 10 million years for the most massive stars
• D)from 1 million years for the least massive stars up to 100 million years for the most massive stars
• E)about 30 million years for all stars,whatever mass

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Definitions:

Liter

A metric unit of volume equivalent to 1,000 cubic centimeters or about 0.26 gallons.

Household Measurement

A system of units used in everyday domestic tasks, such as cooking and home repair, often including tablespoons, cups, meters, and feet.

Ounce

A unit of weight in the avoirdupois system, equivalent to 28.3495 grams, commonly used in the United States and the United Kingdom.

Household System

A system of measurement that includes drops, teaspoons, tablespoons, ounces, cups, pints, quarts, and gallons.