The biggest solar flare ever measured occurred on November 4, 2003. It is estimated that this flare was an X28.
Greg Valentino had 28" Biceps the largest in the world
A Man had the largest skull ever documented, it measured 1980CC
blue whale
the largest pumpkin has never been measured...
No, the largest earthquake recorded was in Chile in 1960 at 9.5
well the largest praying mantis Ive ever seen measured 18 inches.
Aurora borealis
Jupiter
A Man had the largest skull ever documented, it measured 1980CC
The largest paper wasp nest ever recorded was found in New Zealand and measured over 11 feet long and 8 feet wide.
The largest earth quake measured 9.5 in Chilli.
As we only know of our own in any definite terms we cannot say which is the largest. Nor are we ever likely to be able to do so.