Exoplanet Detection Methods Quiz

What is another name for the radial velocity method?

• Microlensing

• Wobble method

• Direct imaging

• Transit method

What causes a star to wobble in the radial velocity method?

• Solar flares

• Gravitational pull from its planets

• The star's rotation

• Magnetic fields

How do scientists determine the mass of an exoplanet using the radial velocity method?

• By calculating the star's temperature

• By observing the planet's shadow

• By analyzing the star's spectrum shifts

• By measuring the star's brightness

What is the current capability of spectrographs in detecting star wobbles?

• Below 100 meters per second

• Below 1 kilometer per second

• Below 10 centimeters per second

• Below 1 meter per second

What challenge arises when detecting multiple exoplanets using the radial velocity method?

• Inaccurate time measurements

• Limited telescope range

• Overlapping wobbles

• Increased light pollution