What is the age of meteorites? Astrophysics Universe Formation Big Bang and Universe Evolution 1 Answer Peter · Azhar A. Jul 2, 2016 #5# - #6# billion years, give or take. Explanation: When our solar system was forming #5-6# billion years ago, so was everything else which exists in it today. Answer link Related questions What is nucleosynthesis? How does it provide evidence to support the Big Bang Theory? How does the progress of the big bang nucleosynthesis depend on the properties of atomic nuclei? Why is the era of nucleosynthesis so important in determining the chemical composition of the universe? What is primordial nucleosynthesis? What is produced by primordial nucleosynthesis? Why do planets orbit stars? Can planets stop spinning? Why do planets orbits stars instead of other things in the universe? In the evolution of the universe, what caused planets to form? What is interstellar medium? Where is it found? See all questions in Big Bang and Universe Evolution Impact of this question 2058 views around the world You can reuse this answer Creative Commons License