weather balloon

tags: peeponaut, astropeep, marshmallow peeps, science, space travel, astronomy, Adler Planetarium Astropeep strength training program, part of the selection process for identifying those marshmallow peeps who had "the right fluff". These special peeps would be recruited as peeponauts who would be sent into space on a weather balloon. Image: Adler Planetarium [larger view]. Like most scientists, I am a big fan of marshmallow peeps, which are my favorite experimental animals. So I was thrilled when a friend sent me an absolutely adorable story about a peeponaut -- that special marshmallow…