Exoplanets and Detection Methods
Physics ⇒ Earth and Space Physics
Exoplanets and Detection Methods starts at 9 and continues till grade 12.
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See sample questions for grade 9
A star’s light dims by 1% every 10 days. What might this suggest about the star?
Describe one challenge of using direct imaging to find exoplanets.
Describe one way scientists can learn about the composition of an exoplanet’s atmosphere.
Describe the main steps involved in the transit method of exoplanet detection.
Describe what is meant by the 'habitable zone' around a star.
Explain why exoplanets are important to study in the search for extraterrestrial life.
Explain why it is difficult to directly image exoplanets.
A star’s light dims by 1% every 10 days. What might this suggest about the star?
The first exoplanet discovered around a Sun-like star was found in which year? (1) 1992 (2) 1995 (3) 2001 (4) 2010
Which method can provide information about the atmosphere of an exoplanet? (1) Transit method (2) Radial velocity method (3) Astrometry (4) Gravitational microlensing
Which method is most effective for finding large exoplanets close to their stars? (1) Transit method (2) Direct imaging (3) Gravitational microlensing (4) Astrometry
Which of the following best describes the astrometry method? (1) Measuring the brightness of a star (2) Measuring the position of a star in the sky to detect wobbles (3) Measuring the color of a star (4) Measuring the temperature of a planet
Fill in the blank: A planet that is much larger than Earth and mostly made of gas is called a ________ planet.
Fill in the blank: A planet that is similar in size and composition to Earth is called an ________ planet.
Fill in the blank: The ________ method detects exoplanets by observing the wobble in a star’s motion caused by the gravitational pull of an orbiting planet.
Fill in the blank: The ________ method detects exoplanets by taking pictures of the planets themselves.
True or False: All exoplanets discovered so far are located within our solar system.
True or False: All exoplanets discovered so far are similar to Jupiter in size.
True or False: Direct imaging is easier for planets that are far from their host stars.
True or False: Gravitational microlensing can detect exoplanets that are far from their host stars.
