The Space Between Stars Is Known to Contain

question 7

Multiple Choice

The space between stars is known to contain

• A) large quantities of dust that absorb and scatter light but no gas, either atomic or molecular.
• B) variable amounts of gas but no dust, which forms only in planetary systems near stars.
• C) a perfect vacuum.
• D) gas, both atomic and molecular, and dust.

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Definitions:

Global Sea Level

The average height of the Earth's ocean surface, used as a standard in measuring sea level rise or fall globally.

Ice Volume

The total amount of ice contained within glaciers, ice caps, and ice sheets, often measured to monitor the effects of climate change.

Planet

A large celestial body that revolves around a sun in a solar system.

West Antarctica

A region of Antarctica that lies west of the Transantarctic Mountains and is largely covered by the West Antarctic Ice Sheet.