How are Exoplanets Discovered?

How are Exoplanets Discovered?
Planets are extremely faint compared to their parent stars. Since most stars look like tiny points through even the most powerful telescopes, how is it possible to discover exoplanets?

The Common Methods:
1-Radial Velocity (A.K.A. Doppler Method)
2-Transit Photometry Method
3-Direct Imaging
4-Gravitational Microlensing
5-Astrometry

Images, animations and videos credits:
- Pixabay
- Wikipedia
-NASA

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