Why were many of the first planets found using the Doppler method "hot Jupiters"?
A) Young Jupiter-mass planets are easier to see when they orbit far from their parent star.
B) Larger planets block more light when they pass in front of their parent star.
C) Massive planets with small orbits have a stronger gravitational effect on their parent star.
D) Planets with higher temperatures cause larger shifts in the spectra of their stars.

Question

Quizplus · Accepted Answer

The Doppler method detects planets by observing the gravitational effect they have on their parent star. Massive planets in small orbits, like "hot Jupiters," exert a stronger gravitational pull on their stars, causing more noticeable Doppler shifts in the star's spectrum. This makes them easier to detect compared to smaller planets or those in larger orbits.

Why Were Many of the First Planets Found Using the Doppler