If you were in the center of the Sun and began walking at three miles per hour, it would take you sixteen years to reach the surface.
If you were at the center of VY Canis Majoris ( the largest known star ) and began walking at three miles per hour, it would take you 33, 568 years to reach the surface.
VY Canis Majoris.
The coolest thing I learned about today.
Massive Star VY Canis Majoris – Polarized Light
Credit: NASA, ESA, and R. Humphreys (University of Minnesota)
Searching For The Toxic Baby 
This was a cool entry! I had no idea there was such a star. Is it in our galaxy?
Yep, It’s in the Milky Way- here’s a link and if you follow it, there’s some great info there: http://www.deepastronomy.com/hypernova-vy-canis-majoris.html