Assunto do Dia - NASA handout photo of astronant Buzz Aldrin saluting during a remembrance ceremony for the space shuttle Columbia crew in Arlington | Window on Infinity: The Month in Space and a Day of Remembrance | TIME.com

NASA handout photo of astronant Buzz Aldrin saluting during a remembrance ceremony for the space shuttle Columbia crew in Arlington | Window on Infinity: The Month in Space and a Day of Remembrance | TIME.com