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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Union

An organization formed by workers in the same sector or industry to protect their rights and interests.

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Low Price

A cost that is significantly below the average or standard price in a market, often used to attract more consumers or gain market share.