Which One of the Methods Below Enables Astronomers to Measure

question 18

Multiple Choice

Which one of the methods below enables astronomers to measure the distance of a star near the sun in our galaxy?

• A) sound echoes knowing the speed of sound and time
• B) parallax using Earth's orbit
• C) human binocular vision
• D) Balmer series
• E) none of the above

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The use of the first-person singular pronoun in communication, indicating self-reference by the speaker.

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