heavens without any pillars
اللَّهُ الَّذِي رَفَعَ السَّمَاوَاتِ بِغَيْرِ عَمَدٍ تَرَوْنَهَا
Allah is the one Who raised the heavens without any pillars that you can see. —Quran 13:2
Though there is nothing apparent and visible that is supporting these heavens, yet there is an invariable and imperceptible Power which is not only holding but keeping in its place each and every one of these huge heavens and whatever is in between them.
more see the book of Dr Maurice Bucaille "The Bible, The Qur'an and Science “La Bible, le Coran et la Science” The Holy Scriptures Examined In The Light Of Modern Knowledge