By observing the physical creation, Noah would have seen abundant evidence not only of God’s existence but also of his many invisible qualities, such as “his eternal power and Godship. ”
وَهٰكَذَا رَأَى بِعَيْنِهِ قُدْرَةَ يَهْوَهَ وَأَدْرَكَ أَنَّهُ ٱلْإِلٰهُ ٱلْحَقُّ ٱلْوَحِيدُ .‏