Yes, before they had modern tools and knowledge to completely blow past facts off the map, most of which were made up by philosophers with no knowledge of how s*** works.
Death is absolute. When you're dead you're dead, it can't be any more simplistic than that.
The earth factually revolves around the sun, this will never be disproven, because it is a fact. There was no science involved when everyone thought the sun revolved around the earth. It was a guess, so once again, you're incorrect. The composition of Jupiter and Co. was tested, their surface is gas, again, fact. Keep it going, the longer yoh hold out, the more s*** you'll have to eat.