[quantum_magpie]

Having come across them in Japan many times, they can get as big as 10 cm across. Slightly less than a hand, but still extremely distressing when you run face-first into one.

[jrumbut]

Why do I keep reading the comments on this story?

I'm booking a one way trip to the North Pole or wherever these flying spiders aren't.

[exhilaration]

Sorry bud: Spiders make up a significant portion of the animal population in the Arctic. - https://animals.mom.com/spiders-arctic-6713.html

Looks like we're both signing up for the first one-way trip to Mars.

[jrockway]

Some jerk is going to bring spiders and it will turn out that they're perfectly adapted to the Martian environment and it will just become the spider planet.

[NoahKAndrews]

Somehow I made it all the way here before processing, how huge this thing is