Which of the Following Methods Uses the Principle of Orbital

question 36

Multiple Choice

Which of the following methods uses the principle of orbital acceleration to detect planets around another star?

• A) Measuring the change of light of a star as the planet crosses in front of it
• B) Taking a picture of the planet next to the star
• C) Measuring a single Doppler shift of a star, one time
• D) Measuring change in the Doppler shifts of a star over the course of many nights

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