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Exoplanet Instruments

Description: This quiz covers various instruments used in the detection and characterization of exoplanets, including telescopes, spectrographs, and photometers.
Number of Questions: 15
Created by:
Tags: exoplanets instrumentation astronomy
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Which of the following telescopes is specifically designed for exoplanet detection?

  1. Hubble Space Telescope

  2. James Webb Space Telescope

  3. Kepler Space Telescope

  4. Very Large Telescope


Correct Option: C
Explanation:

The Kepler Space Telescope was specifically designed to detect exoplanets using the transit method.

What is the primary detection method used by the Kepler Space Telescope?

  1. Radial velocity method

  2. Transit method

  3. Microlensing method

  4. Astrometry method


Correct Option: B
Explanation:

The Kepler Space Telescope uses the transit method to detect exoplanets, which involves observing the dimming of a star's light as an exoplanet passes in front of it.

What is the primary detection method used by the radial velocity method?

  1. Doppler shift

  2. Photometry

  3. Microlensing

  4. Astrometry


Correct Option: A
Explanation:

The radial velocity method detects exoplanets by measuring the Doppler shift in the light of the host star caused by the gravitational pull of the exoplanet.

Which instrument is used to measure the radial velocity of a star?

  1. Spectrograph

  2. Photometer

  3. Interferometer

  4. Polarimeter


Correct Option: A
Explanation:

A spectrograph is used to measure the radial velocity of a star by splitting the light into its component wavelengths and detecting the Doppler shift.

What is the primary detection method used by the microlensing method?

  1. Gravitational lensing

  2. Photometry

  3. Astrometry

  4. Doppler shift


Correct Option: A
Explanation:

The microlensing method detects exoplanets by observing the gravitational lensing of light from a background star caused by the presence of an exoplanet.

Which instrument is used to measure the microlensing of light?

  1. Telescope

  2. Photometer

  3. Interferometer

  4. Spectrograph


Correct Option: A
Explanation:

A telescope is used to measure the microlensing of light by observing the change in brightness of a background star caused by the gravitational lensing of its light by an exoplanet.

What is the primary detection method used by the astrometry method?

  1. Doppler shift

  2. Photometry

  3. Microlensing

  4. Parallax


Correct Option: D
Explanation:

The astrometry method detects exoplanets by measuring the parallax of the host star caused by the gravitational pull of the exoplanet.

Which instrument is used to measure the astrometry of a star?

  1. Telescope

  2. Photometer

  3. Interferometer

  4. Spectrograph


Correct Option: A
Explanation:

A telescope is used to measure the astrometry of a star by observing the change in position of the star caused by the gravitational pull of an exoplanet.

Which of the following instruments is used to measure the mass of an exoplanet?

  1. Spectrograph

  2. Photometer

  3. Interferometer

  4. Astrometry


Correct Option: D
Explanation:

Astrometry can be used to measure the mass of an exoplanet by observing the wobble of the host star caused by the gravitational pull of the exoplanet.

Which of the following instruments is used to measure the radius of an exoplanet?

  1. Spectrograph

  2. Photometer

  3. Interferometer

  4. Astrometry


Correct Option: B
Explanation:

Photometry can be used to measure the radius of an exoplanet by observing the transit of the exoplanet across the host star.

Which of the following instruments is used to measure the composition of an exoplanet's atmosphere?

  1. Spectrograph

  2. Photometer

  3. Interferometer

  4. Astrometry


Correct Option: A
Explanation:

Spectrography can be used to measure the composition of an exoplanet's atmosphere by analyzing the light that passes through the atmosphere.

Which of the following instruments is used to measure the temperature of an exoplanet?

  1. Spectrograph

  2. Photometer

  3. Interferometer

  4. Astrometry


Correct Option: B
Explanation:

Photometry can be used to measure the temperature of an exoplanet by observing the amount of infrared radiation emitted by the exoplanet.

Which of the following instruments is used to measure the surface pressure of an exoplanet?

  1. Spectrograph

  2. Photometer

  3. Interferometer

  4. Astrometry


Correct Option: A
Explanation:

Spectrography can be used to measure the surface pressure of an exoplanet by analyzing the absorption lines in the exoplanet's atmosphere.

Which of the following instruments is used to measure the magnetic field of an exoplanet?

  1. Spectrograph

  2. Photometer

  3. Interferometer

  4. Astrometry


Correct Option: A
Explanation:

Spectrography can be used to measure the magnetic field of an exoplanet by analyzing the Zeeman effect in the exoplanet's atmosphere.

Which of the following instruments is used to measure the rotation period of an exoplanet?

  1. Spectrograph

  2. Photometer

  3. Interferometer

  4. Astrometry


Correct Option: B
Explanation:

Photometry can be used to measure the rotation period of an exoplanet by observing the variation in the exoplanet's brightness as it rotates.

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