Binary star systems are considered good candidates in SETI
Indicate whether the statement is true or false
FALSE
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A speedy tortoise can run with a velocity of 10.0 cm/s and a hare can run 20.0 times as fast. In a race, they both start at the same time, but the hare stops to rest for 2.00 minutes. The tortoise wins by a shell (20.0 cm). What was the length of the race?
Star A has an apparent magnitude of 3 and Star B has an apparent magnitude of 5. Which star is brighter in our sky?
A) Star A B) Star B C) The two stars have the same brightness in our sky, but Star A is closer to us than Star B. D) There is not enough information to answer the question.
How does the separation of maxima on the screen vary with slit separation?
About what percent of all asteroids are C-type asteroids?
A) 5% B) 10% C) 15% D) 50% E) 75%