Watch in pics: How astronomer celebrated Christmas in space

New Delhi: There are space travelers who remain in orbit for their assignment and don't get time to celebrate Christmas at home but that doesn't mean they won't get into the holiday spirit on the International Space Station.They do find a way to celebrate the festival in the space and enjoy it with full enthusiasm.They send pics of their celebration to NASA.The first American Christmas holiday aboard a space station was celebrated in 1973 during the Skylab 4 mission to the first American space station Skylab.Here are some pics of the celebration in space, obtained from Space.com and released by NASA:The six-man crew of the International Space Station (including a bearded Father Christmas) wishes Mission Control a Merry Christmas and Happy Holidays on Dec. 25, 2012. Christmas stockings for the six-man Expedition 34 crew decorate the International Space Station in December 2012. An upside Christmas tree decorates the International Space Station during the Expedition 34 mission in 2012. The first American Christmas holiday aboard a space station in 1973 during the Skylab 4 mission to the first American space station Skylab.Astronauts hold Christmas cookies while posing for a photo near the galley. Astronaut strums a guitar while playing Christmas carols and gazing at Earth from the International Space Station in December 2012. This still from a NASA video shows the only Christmas holiday mission by a space shuttle crew.NASA astronauts send holiday wishes to Earth in a video message. The Expedition 26 crew of the International Space Station pose for a photo on New Year's Eve to ring in 2011.