Here's a link to a short film on comparing the sizes of stars. The final portion relates the length of time it would take to circle the largest known star in an airplane. All metric.
http://www.youtube.com/watch?v=HEheh1BH34Q&feature=fvw Remek
Here's a link to a short film on comparing the sizes of stars. The final portion relates the length of time it would take to circle the largest known star in an airplane. All metric.
http://www.youtube.com/watch?v=HEheh1BH34Q&feature=fvw Remek