Nasa set to send faces into space
Nasa is inviting the public to send their portrait into space aboard one of the two remaining space shuttle flights.
To participate, members of the public can upload a picture to a Nasa website: faceinspace.nasa.gov.
Applicants can select which space shuttle to fly - Discovery in September or Endeavour, targeted for November.
They can also just fly their names without a photo.
After the flight, participants can download a special certificate.
A map on the website keeps track of submissions. By Tuesday afternoon, some 27,000 people worldwide had entered their photos - more than 10,000 in the US, 500 in Spain and one in Cambodia.