The connection of Revelation 21:1–8 to Revelation 21:9–27
Revelation 21:1–8 (ESV)
1Then I saw a new heaven and a new earth,for the first heaven and the first earth had passed away, and the sea was no more.
God’s plan involves a renewed heaven and earth united, as illustrated in the descent of a renewed Jerusalem. The following paragraph goes into detail about the New Jerusalem that is mentioned here, seemingly in passing.
1 Then I saw a new heaven and a new earth, for the first heaven and the first earth had passed away, and the sea was no more.