### Question
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Describe four methods for detecting an exoplanet, and the potential biases in the inferred populations of planets associated with each method. Roughly how many planets have been detected using each?
### Answer
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![[exoplanet_overview.png|align:center]]
![[Detection Methods#Transit Method|Transit Method]]
![[Detection Methods#Radial Velocity Method|Radial Velocity Method]]
![[Detection Methods#Direct Imaging Method|Direct Imaging Method]]
![[Detection Methods#Microlensing Method|Microlensing Method]]