if they would be given a go for the second landing opportunity. However, they were not given a go for the second chance and the crew began backing out of their deorbit preps. Both landing chances were waved off due to bad weather at the Kennedy Space Center. April 20 (Flight day 16 – Landing) Space Shuttle Discovery landed at 09:08 EDT (13:08 UTC) on runway 33 at Florida's Kennedy Space Center following a two-week mission in space. Spacewalks At least three spacewalks were planned for this mission. The main objectives for the three EVAs were as follows: Wake-up calls NASA began a tradition of playing music to astronauts during the Gemini program, which was first used to wake up a flight crew during Apollo 15. Each track is specially chosen, often by their families, and usually has a special meaning to an individual member of the crew, or is applicable to their daily activities. See also 2010 in spaceflight List of human spaceflights List of International Space Station spacewalks List of Space Shuttle missions List of spacewalks 2000–2014 References External links NASA's Space Shuttle page Time-lapse photography video of Discoverys preparation and launch for STS-131 Video tour of STS-131 on LC-39A one month before launch Space Shuttle missions Spacecraft launched in 2010 Spacecraft which reentered in 2010 Articles containing video clips April 2010 events 2010 in Florida