Observers in a Distant Solar System Are Watching Our Sun

question 5

Multiple Choice

Observers in a distant solar system are watching our Sun and using the radial-velocity method to try to determine whether the Sun has planets.Because of the gravitational pull of Jupiter,the observers see the Sun's spectrum slowly redshift and then blueshift by a tiny amount.How long must they observe to see a full cycle?

• A) 25 days
• B) 1 year
• C) almost 12 years
• D) It depends on how far away the observers are.

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Definitions:

Babbling

The production of speech-like but meaningless sounds, commonly practiced by infants as a precursor to the development of language.

Months

Units of time in calendars that approximate the period of the Moon's orbit around the Earth, typically involving divisions of the year into twelve parts.

Me-Me-Me-Me-Me

Expresses an excessive focus on oneself, often indicative of narcissism or selfishness.

Babbling

A stage in child language acquisition characterized by the production of sounds or syllables that resemble speech but do not form recognizable words, typically occurring in infants.