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A star cluster is seen to have a main-sequence turn-off at colour B-V= 0.1 and apparent V-band magnitude of 7.9.
a. True; False;The distance to the star cluster is approximately 150pc.
b. True;False;The age of the star cluster is around 10 million years.
c. True;False;Stars similar to the Sun are still on the main sequence.
d. True; False;The star cluster will not contain any brown dwarves



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