Most nearby stars move relative to the Sun at speeds below about 30 km/s. Suppose you observe a nearby star that is moving much faster than this (say, 300 km/s). Which of the following is a likely explanation for its high speed?
A) It has been pushed to high speed by the shock wave from a nearby supernova.
B) It is a very young star, recently formed.
C) It is probably a halo star that is currently passing through the disk.
D) It is a very high mass star.
C
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The work performed as a function of time for a process is given by where What is the instantaneous power output at
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A total solar eclipse occurred in Wolf Point, Montana on Feb. 26, 1979 . When was (will) this eclipse again (be) visible in Montana?
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