If Quran is from a divine being, why didn't it's author correct unscientific misconceptions of the people living in 7th century Arabia? Instead of correcting them, why did it proceed to present a pre-scientific, 7th century view of the natural world?
If Quran is from a divine being, why did it's author describe in detail how to chastise a disobedient wife, but prescribes no verdict for pedophilia?
If Quran is from a divine being, why does it claim that the sun and the moon travel in an orbit (a rounded course), but does not mention once that the Earth does too?
If Quran is from a divine being, why does it's author claim that once the day has turned to night, the sun runs on to a resting place? (Quran 36: 37-40)
If Quran is from a divine being, why did it's author imply that both sun and the moon orbit around the earth? (Quran 21: 33)
If Quran is from a divine being, why did it's author claim that moon follows the sun? (Quran 91: 1-2)
If Quran is from a divine being, why doesn't it mention anywhere that the Earth orbits the Sun?
If Quran is from a divine being, why does it imply that shadow is caused by the sun's movement across the sky? (Quran 25: 45)
If Quran is from a divine being, why in several verses that talk about day and night, only the orbit of the sun and moon are invariably mentioned, but it's author does not mention anywhere in the Quran the real cause of day and night; i.e. earth's rotation (spinning)?
If Quran is from a divine being, why does it's author say that moon which is 400 times smaller than sun, would be joined into sun on judgement day as an apocalyptic event, while such an event would be rather insignificant given the difference in their sizes? (Quran 75: 8-9)
If Quran is from a divine being, why does it's author mention nothing about the rest of the planets in the solar system?
If Quran is from a divine being, why does it's author say that sun sets in a muddy spring? (Quran 18: 84-90)
If Quran is from a divine being, why does it's author say that Allah uses stars as missiles to ward away spying devils? (Quran 37: 6-10)
If Quran is from a divine being, why does it's author not seem to know the difference between stars and meteors? (Quran 37: 6-10)
If Quran is from a divine being, why does it's author say that earth and the heavens were created in six days? (Quran 50:38)
If Quran is from a divine being, why does it author not distingish it's description of the creation of universe from the prevailing Middle-Eastern creation myths?
If Quran is from a divine being, why does it's author say the earth was created in 2 days, contrary to the modern scientific understanding and geological evidence that it took millions of years? (Quran 41: 9-10)
If Quran is from a divine being, why does it's author say that mountains and sustenance of the earth were created in four days, when mountains are actually formed from plate-tectonic, a process which takes hundreds of millions of years? (Quran 41: 9-10)
If Quran is from a divine being, why does it's author not seem to know that not all mountains formed together, it is a dynamic process and more mountains will be formed in future due to plate-tectonic? (Quran 41: 9-10)
If Quran is from a divine being, why does it imply that earth formed before stars, when earth and all planets are formed of elements first forged in stars by a process called nucleosynthesis? (Quran 41:9-12, 2:29
If Quran is from a divine being, why does it's author say that heavens and earth were joined as one unit before he cloved them asunder, when universe is 13 billion years old and earth didn't come into existence until 4.5 billion years ago? 
If Quran is from a divine being, why does it's author say that universe was made from smoke, while there was no stage of formation ofuniverse that involved smoke? (the noun used is دُخَانٍ, literally means smoke, as from a fire)
If Quran is divine, why did it's author limit the description of creation of universe and everything that constitutes it merely to earth and heavens and mentioned nothing about galaxies, quasars, galaxy clusters, empty space?
If Quran is divine, why did it's author say that stars are lamps adorning lower heaven, giving an anthropocentric nature to stars, when in reality each of them is a solar system on their own and have planets, asteroids and meteors revolving them?
If Quran is divine, why does it only mention 1 moon, giving it an anthropocentric purpose, with no indication of all other moons (some bigger than planets) in our solar system and in entire universe,which don't seem to serve any purpose other than revolving around their planets?
If Quran is divine, why does it give special significance to the Sun and talks about it's creation separately from all the other stars, when in reality our sun is just an ordinary star among billions of other stars in our galaxy?
If Quran is divine, why didn't it's author know that sun itself is a star?
If Quran is divine, why does it's author confine all the stars solely to a "lower heaven" (closest heaven to earth), when stars are in fact found all over the observable universe which measures 93 billion light years in diameter?
If Quran is divine, why does it claim the moon was split into 2 halves? There's no scientific evidence for this event. The absence of historical record from other civilizations (they cudn't have missed it), contemporary to Mo, is a strong indication that this event never happened
If Quran is divine, why does it's author boast about holding heaven/sky without pillars, while sky is just outer space that doesn't need any holding by its very nature?
If Quran is divine, why does it's author imply that the sky is a covering that can be removed?
If Quran is divine, why does it's author imply sky is like a ceiling held up that can fall to earth or fragments break off and can fall on someone?
If Quran is divine, why does it's author imply that heavens have two dimensional surfaces that can be rolled up?
If Quran is divine, why does it say stars will fall on doomsday, implying the author had no idea of the size nd distance of stars? Even if stars were to move at a high speed, humans on earth won't see it (stars are millions of ly away), nd definitely won't witness it as "falling"
If Quran is divine, why did it's author not take into consideration future Muslim astronauts and Muslims living near the Poles (where daylight and darkness lasts for more than 6 months), when he ordained fasting from sunrise till sunset?
