> > I don't know... everything he said makes great sense.
> Then explain this.
> When I was in Hawaii (much farther south than where I am) I could observe the sky and see:
> - The star Achernar.
> - The entirety of the constellation Grus.
> - Part of the constellation Pavo.
> I live (and am currently located) just a little bit north of the 45th parallel. From here, I cannot see Achernar and Pavo, and I can only see part of Grus.
> How do you explain what I saw without assuming that there is at least some degree of curvature in the Earth?
> Lucky Wizard

Hmm, you make a good argument. But I'm gonna toss your argument onto the pile of 'rational arguments connecting unrelated entities to ease the brainwashed mind.' I challenge you to explain this: every photo of the earth from airplanes is two-dimensional.
Eug'the earth seems pretty flat now, eh?'ene