Most of the extrasolar planets found so far were detected by ...

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

Question 2

So far, beyond the solar system, the extrasolar planets found have been mostly
 
  A) terrestrials with very elongated, distant orbits like comets.
  B) terrestrials very close to their star, and transiting its disk.
  C) large jovians very close to their star.
  D) large jovians orbiting solar-type stars about where our jovians are found.
  E) brown dwarfs much more massive than Jupiter.

[mcinincha279]

Answer to Question 1

E

Answer to Question 2

C

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Gracias!

[JCABRERA33]

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