Which of the Following Methods Describes the Transit Method for Detecting

question 6

Multiple Choice

Which of the following methods describes the transit method for detecting extrasolar planets?

• A) regular changes in the positions of the parent stars with respect to more distant stars as they move across the sky
• B) detection of Doppler shifts in the spectra of the parent stars
• C) detection of brightness changes in a star as a planet passes in front of it
• D) detection of reflected starlight

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Definitions:

Rods

Photoreceptor cells in the retina that are highly sensitive to light and enable vision in low-light conditions, but do not perceive color.

Cones

Photoreceptor cells in the retina of the eye responsive to bright light and capable of color vision.

Color Vision

The ability of the eye and brain to distinguish objects based on the wavelengths (or frequencies) of the light they reflect, emit, or transmit.

Pheromones

Chemical substances produced and released into the environment by an animal, affecting the behavior or physiology of others of its species.