Revelation 8:11 in the King James Version
And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.
Context
10 The third angel sounded, and a great star fell from the sky, burning like a torch, and it fell on one third of the rivers, and on the springs of water.
11 The name of the star is “Wormwood.” One third of the waters became wormwood. Many people died from the waters, because they were made bitter.
12 The fourth angel sounded, and one third of the sun was struck, and one third of the moon, and one third of the stars, so that one third of them would be darkened; and the day wouldn’t shine for one third of it, and the night in the same way.