Of the First Exoplanets Found,most Were Detected By

question 69

Multiple Choice

Of the first exoplanets found,most were detected by:

• A) noting the drop in the star's light as the planet transits its disk.
• B) imaging them with the HST in the infrared, where they are easier to stop.
• C) noting the Doppler shifts of the star as the planet orbits it from side to side.
• D) receiving radio transmissions from them, much like Jupiter emits.
• E) detecting the oxygen in their atmospheres spectroscopically.

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