I am a bit embarrassed for siting Sam Gerrans on salat. I tend to stay away from 'scholars' who i agree with on many aspects IF they have unusual beliefs, hence I do not quote from Rashad Khalifa or his freeminds [parabolic closed minds] 19 followers, etc.
Having looked at this issue a bit more it is strange that modern people, 'muslims' included, are falling for illogical and scientifically illiterate bafoons who know there is a conspiracy to keep the earth round when it is flat, but never say why this is so important unless they want you to take the Bible as literally true.
I have found these videos that prove what we are on:
From Quran only muslims Quran Centric:
The following is a live feed from NASA space station. What you need to do is wait for it to come over head, look at the clouds in the sky, see how they are the same viewed from above space so that proves NASA is not paintshopping their pictures!