Space Shuttle Discovery is finishing up its final mission, a 13-day visit to the International Space Station. The ship will make its final landing at Kennedy Space Center in Florida on Friday after which it will be retired. For those of us who have grown up with Discovery, it’s a little sad to see it retire.

Each morning, a special song usually picked by their families awakens the astronauts on board. For this last mission NASA decided to hold an online contest to allow fans to pick the songs. Nearly 2.5 million votes were cast between August 20, 2010 and November 1, 2010 Alexander Courage‘s theme song to the original Star Trek television series was the second most popular song of the ones available getting 671,133 votes or 27.2% of the total votes.