Planets outside our Solar System.
1400 years ago people knew about Earth, sun and the moon. But nobody knew that there were planets outside our Solar System. Today we know that this is false; astronomers found many explanets.
When scientists search for life on exoplanets they only look for planets with water; no water no life.
Water Discovered in the Atmosphere of an Exoplanet in the Habitable zone. It Might Be Rain
Astronomers using the Hubble space telescope have discovered water in the atmosphere of an exoplanet in its star's habitable zone. If confirmed, it will be the first time we've detected water-a critical ingredient for life as we know it-on an exoplanet. The water was detected as vapour in the atmosphere, but the temperature of the planet means it could sustain liquid water on its surface, if it's rocky.
The planet is called K2-18b, and it's about 110 light years away. The planet is much different than Earth. It's a Super-Earth, and it's twice as large as Earth, and about 8 times as massive. K2-18b is orbiting a red dwarf star, and it was first discovered in 2015 by the Kepler Space Telescope.
Universe Today, Water Discovered in the Atmosphere of an Exoplanet in the Habitable zone. It Might Be Rain, 2019
An exoplanet was found in the habitable zone with water. However this was portrayed in the Quran 1400 years before it was discovered.
[Quran 21.30] Do not those who disbelieve see that the heavens and the Earth were meshed together then We ripped them apart? And then We made of water everything living? Would they still not believe?
In the Quran all life, on Earth and in the Heavens, depend on water.
In another verse the seven Heavens are of different types and each has its own planets like Earth:
[Quran 65.12] Allah is the one who created seven Heavens and from Earth like them (of corresponding type); [Allah's] command descends among them so that you may know that Allah is capable of anything and that Allah knows everything.
The seven heavens have planets like Earth. Today astronomers found exoplanets like Earth.
How could an illiterate man who lived 1400 years ago have known about exoplanets?