I hope you can clarify whether the following hadith is saheeh (sound) or not.
Abu’t-Tayyib Ahmad ibn Rawh told us: ‘Ali ibn ‘Amr told us, from Ibraaheem ibn Moosaa al-Bahraani, from Muqaatil, from ‘Ikrimah, from Ibn ‘Abbaas (may Allah be pleased with him) who said: The Messenger of Allah (blessings and peace of Allah be upon him) came to us when we were sitting in circles in the mosque, and the Messenger of Allah (blessings and peace of Allah be upon him) said: “What are you doing?” We said: We are thinking about the sun and how it rises and sets. He said: “You are doing well. Be like this, and think about what is created; do not think about the Creator, for Allah, may He be glorified and exalted, creates whatever He wants to create when He wants to create it, and are you surprised by that? Beyond (the mountain of) Qaaf there are seven seas, each of which is five hundred years wide; beyond that there are seven earths, the light of which shines for their people; beyond that there are seventy thousand nations in constant flight, who were created in the form of birds, and they and their chicks are in the air, never faltering or omitting a single tasbeeh; beyond that there are seventy thousand nations created from wind – they feed on wind, they drink wind, their clothes are wind, their vessels are wind, their mounts are wind, and the hooves of their mounts will never touch the ground until the Hour begins…”