> So what?  They were doing the best they could with the information
> that was available

And their knowledge was only furthered by science not religion. In
fact religion was holding back Galileo finding out the truth and they
tried to stop him from telling the truth because of their own beliefs
concerning religion.

> I agree that religious knowledge and scientific knowledge changes over
> time.

Religious knowledge is static. It is scientific knowledge that
evolves.

> Religion deals with the ultimate fate of the human race, so it is not
> so much as holding us back as showing which direction we should go in.

Religion is a belief. It only deals with what some of us think is
going to happen. There is no proof and the sooner we stick to the
facts and speculation the better for our species.

> Religion and science are two different activities.

Exactly, they are not related.

> I disagree.  I think that in the future science and religion will
> merge into one.

You just said above they are two different activities.