Multiple Choice
Gravitational lensing is the process by which
A) a massive object magnifies and distorts the light from an object behind it
B) the wavelengths of light from a star are shifted as it moves about its center of mass
C) a planet passes in front of its parent star and blocks part of its light
D) a massive object accelerates another object that passes close to it
Correct Answer:
Verified
Correct Answer:
Verified
Q90: Imagine we have a planet identical to
Q91: Why does the Doppler shift method of
Q92: If a star has an extrasolar planet,
Q93: Approximately what proportion of stars have masses
Q94: Multiple star systems in our galaxy<br>A) are
Q95: When a low mass star like our
Q96: If we are eventually able to detect
Q97: What proportion of their lives do stars
Q99: Many of the extrasolar planets that have
Q100: Which of the following extrasolar planets would