Well to be fair. The earth itself is only 4.5 Billion years old. Some experts expect our Sun will transition to a Red Giant in ~5 Billion years and stop generat

Well to be fair. The earth itself is only 4.5 Billion years old. Some experts expect our Sun will transition to a Red Giant in ~5 Billion years and stop generating heat. /sarcasm A trillion years is a long time. :D