What made the spider?

I'm not a geologist so don't flame me! My uneducated guess, an impact at the same point as a volcanic eruption. Not at the same time of course... but wouldn't that be something!?
Space/Science » in reply to A bunch of new stuff today

I'm not a geologist so don't flame me! My uneducated guess, an impact at the same point as a volcanic eruption. Not at the same time of course... but wouldn't that be something!?