NASA Channel - Astronaut Greg Chamitoff, aboard the International Space Station 220 miles above Earth, is taking your questions. Here's your chance to hear direct from space. Chamitoff's schedule will not allow him to answer many questions, but he will attempt to answer a few each week. To submit your question, go to www.nasa.gov/ask! Come back to ReelNASA to hear your answers! Author: ReelNASA Keywords: space nasa astronaut exp17 chamitoff ask Added: August 22, 2008