Revelation 8:10-11 NAS

10 The third angel sounded, and a great star 1fell from heaven, burning like a torch, and it fell on a 2third of the rivers and on the 3springs of waters.

References for Revelation 8:10

11 The name of the star is called Wormwood; and a 4third of the waters became 5wormwood, and many men died from the waters, because they were made bitter.

References for Revelation 8:11