If We Say That an Object Is 1,000 Light-Years Away

question 16

Multiple Choice

If we say that an object is 1,000 light-years away, how does that affect how we see it?

• A) We see it as it looked 1,000 years ago.
• B) We see it as it would appear to our ancestors 1,000 years ago.
• C) We see it as it looked 1,000 light-years ago.
• D) We see it as it is right now, but it appears 1,000 times dimmer.

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Definitions:

Automated External Defibrillator

A portable device that delivers an electric shock through the chest to the heart to stop an irregular heart rhythm and allow a normal rhythm to resume during sudden cardiac arrest.

Abbreviation

A pared-down form of a word or phrase.

Cardiovascular Disease

A general term for conditions affecting the heart and blood vessels, such as coronary artery disease, heart failure, or hypertension.

Left Ventricle

The lower left chamber of the heart responsible for pumping oxygenated blood to tissues all over the body.