Revelation 9:1-2

 "And behold, I am coming quickly. 

Blessed is he who heeds the words of the prophecy of this book."     

Revelation 22:7  NASB

The fifth angel sounded his trumpet, and I saw a star that had fallen from the sky to the earth. That star was given the key to the shaft of the Abyss. When he opened the Abyss, smoke rose from it like the smoke from a gigantic furnace. The sun and sky were darkened by the smoke from the Abyss.

I saw a star that had fallen from the sky to the earth 
Revelation 8:10  The third angel sounded his trumpet, and a great star, blazing like a torch, fell down from the sky on a third of the rivers and on the springs of water--...
Isaiah 14:12  How you have fallen from heaven, morning star, son of the dawn! You have been cast down to the earth, you who once laid low the nations!
Luke 10:18  He replied, "I saw Satan fall like lightning from heaven."

That star was given the key 
Revelation 1:18  "I am the Living One; I was dead, and now look, I am alive for ever and ever! And I hold the key of death and Hades."

to the shaft of the Abyss 
Revelation 9:11  They had as king over them the angel of the Abyss, whose name in Hebrew is Abaddon and in Greek is Apollyon (that is Destroyer). 
Luke 8:30-31  Jesus asked him, "What is your name?"  "Legion," he replied, because many demons had gone into him. And they begged Jesus repeatedly not to order them to go into the Abyss.

When he opened the Abyss, smoke rose from it like the smoke from a gigantic furnace 
Genesis 19:27-28  Early the next morning Abraham got up and returned to the place where he had stood before the LORD. He looked down toward Sodom and Gomorrah, toward all the land of the plain, and he saw dense smoke rising from the land, like smoke from a furnace.
Exodus 19:18  Mount Sinai was covered with smoke, because the LORD descended on it in fire. The smoke billowed up from it like smoke from a furnace, and the whole mountain trembled violently.

The sun and sky were darkened by the smoke from the Abyss 
Joel 2:1-2  Blow the trumpet in Zion; sound the alarm on my holy hill. Let all who live in the land tremble, for the day of the LORD is coming. It is close at hand--a day of darkness and gloom, a day of clouds and blackness. Like dawn spreading across the mountains a large and mighty army comes such as never was in ancient times nor ever will be in ages to come.
Joel 2:10  Before them the earth shakes, the heavens tremble, the sun and moon are darkened, and the stars no longer shine.

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
Limited to 15 verses per post.