Revelation 9:1And the fifth angel sounded, and I saw a star fall from heaven unto the earth: and to him was given the key of the bottomless pit.
2 And he opened the bottomless pit; and there arose a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit.
True enough, but there is an ignorance of the language of the past that dealt in spiritual terms relating the rule(heaven) to the ruled(earth), Revelation is written in a prophetic language and culture of the past. The present literalisation of the book leads to a whole lot of misinterpretation and fear of the end of world. The physical world is not ending, but it will be changed.