Microlensing Technique (IMAGE)

U.S. National Science Foundation

Microlensing Technique

Caption

Microlensing works by using the gravity of the near star (shown in the bottom left), and its orbiting planets as a lens, magnifying light from a background star. By studying how the complex patterns of magnified light change as the near star and the two planets of planetary system moves in front of the distant star (top right), we can determine the properties of the planets and their star.

Credit

KASI - CBNU - ARCSEC

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