Is all this complexity really necessary? It's
enough to make one's head spin.
Surely there must be a simpler explanation. Intelligent
"[...]we don't really understand ANYTHING about our physical
world at the deepest level, such as why does gravity exist?
- Dr. Sten Odenwald
Receipent of the NASA 'Excellence in Outreach' award in 1999 from the
Goddard Space Flight Center.