Using the Doppler Effect, Astronomers Can

question 31

Multiple Choice

Using the Doppler effect, astronomers can

• A)calculate the velocity Earth's moon is moving toward Earth.
• B)calculate the distance from Earth to the Moon.
• C)detect whether a celestial object is moving away or towards the observer.
• D)detect a celestial object's chemical composition.

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Calcium Supplement

A dietary supplement taken to increase the intake of calcium, an essential mineral for bone health and metabolic function.

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A break that occurs in the upper part of the femur (thigh bone), often as a result of a fall or direct impact, especially in older individuals.

Proper Fitting Shoes

Footwear that is appropriately sized and shaped to match the wearer’s feet, providing comfort and support.