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American astronaut Terry Virts tweeted this photo of the split-fingered Vulcan salute from the International Space Station as a tribute to actor Leonard Nimoy on Saturday. Nimoy, who played the half-human, half-Vulcan Mr. Spock on the classic television series "Star Trek" died Friday at 83.

Nimoy was a native of Boston and the Massachusetts coastline can be seen to the right of Virts' hand.