Through the first reading we heard from the prophet Isaiah, God is saying he would like to renew all things – a new heaven, and a new earth and that the former things shall fade away. First of all, this is literally very scientific! Check out the video below to see the kind of time we are talking about--unfathomable time...  trillions and trillions and trillions of years!  God brought into being all material reality from nothing, yet he will allow it to fade back into nothingness because he alone is eternal.