Which of the Following Is True

question 37

Multiple Choice

Which of the following is true?

• A) Radial velocity surveys have yet to find any extrasolar planets.
• B) The most common types of extrasolar planets found to date have masses more than 10 times the mass of Jupiter and lie within 5 AU of their parent star.
• C) Our Solar System is the only known planetary system to contain more than one planet.
• D) A star can brighten significantly because of gravitational lensing when a planet that orbits it passes directly in front of the star.
• E) The Kepler Mission has not yet found terrestrial planets similar in size to Earth.

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Definitions:

Snellen Chart

A tool used in eye examinations to measure visual acuity, consisting of rows of letters decreasing in size.

Jaeger Chart

A visual acuity chart used to test a person's reading and detail vision, often applied in eye exams to detect vision issues.

Ishihara Book

A color vision test book consisting of a series of plates filled with colored dots, used to diagnose red-green color deficiencies.

Pelli-Robson Chart

A tool used in visual examinations to assess contrast sensitivity, featuring a series of letters in progressively lower contrast.