Oct 20, 2009 05:00 EDT Nobel Media AB YouTube viewers worldwide have the unique opportunity to “Ask a Nobel Laureate” a question on the official Nobel Prize YouTube channel (www.youtube.com/thenobelprize). Awarded the Nobel Prize in Physics 2006, John Mather, an astrophysicist from NASA, is the first Nobel Laureate to participate and he will answer a selection of questions from the online community.