from the biggest-there-is dept.
littlesparkvt writes "The spectacular barred spiral galaxy NGC 6872 has ranked among the biggest stellar systems for decades. Now a team of astronomers from the United States, Chile and Brazil has crowned it the largest-known spiral galaxy, based on archival data from NASA's Galaxy Evolution Explorer (GALEX) mission."
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.