Main Page | See live article | Alphabetical index To help compare orders of magnitude of different times this page lists times between 1015 seconds and 1016 seconds (32 million years and 320 million years) See also times of other orders of magnitude. Shorter times 34.7 million years -- half-life of niobium-92 36 million years -- time since end of Eocene Epoch and beginning of Oligocene Epoch 40 million yers -- This long into the future, Australia will slam into Asia 65 million years -- time since end of Cretaceous Period (end of Mesozoic Era) and beginning of Tertiary Period (beginning of Cenozoic Era) 65 million years -- time since Cretaceous-Tertiary extinction event 135 million years -- time since end of Jurassic and beginning of Cretaceous Period 195 million years -- time since end of Triassic and beginning of Jurassic Period 225 million years -- time since end of Permian Period (end of Palaeozoic Era) and beginning of Triassic Period (beginning of Mesozoic Era) 226 million years -- time it takes the solar system to complete one rotation around the center of the Milky Way 280 million years -- time since end of Carboniferous and beginning of Permian Period Longer times This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.