Multiple Choice
Gravitational microlensing detects planets when:
A) a background exoplanet passes almost directly behind its star.
B) a massive exoplanet orbits close to its star.
C) an exoplanet has an orbit that is perpendicular to our line of sight (face on) .
D) a foreground exoplanet passes almost directly in front of its star.
Correct Answer:
Verified
Correct Answer:
Verified
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