Lower Imbrian — In the Lunar geologic timescale, the Lower Imbrian epoch occurred between 3850 million years ago to about 3800 million years ago. It overlaps the end of the Late Heavy Bombardment of the inner solar system. The impact which created the huge Mare… … Wikipedia
Lunar geologic timescale — The lunar geologic timescale (or selenologic timescale) divides the history of Earth s moon into five generally recognized geologic periods: the Copernican, Eratosthenian, Imbrian (upper and lower), Nectarian, and Pre Nectarian. The boundaries of … Wikipedia
Graphical timeline of our universe — This more than twenty billion years timeline of our universe shows the best scientific estimates of the occurrence of events since its beginning, up until anticipated events in the near future. Zero of the scale is the present day. A large step… … Wikipedia
Mare Cognitum — Mare Cognitum. Fra Mauro is the gray region in the upper right. Coordinates … Wikipedia
Mare Orientale — Close up view of Mare Orientale Coordinates … Wikipedia
Mare Tranquillitatis — Sea of Tranquility redirects here. For other uses, see Sea of Tranquility (disambiguation). Mare Tranquillitatis The Sea of Tranquility of the Moon Coordinates … Wikipedia
Mare Frigoris — is the dark grey material in the lower portion of this photo Coordinates … Wikipedia
Mare Insularum — Mare Insularum, bordered by the craters Copernicus on the east, and Kepler on the west. Oceanus Procellarum joins the mare to the southwest. The northern edge of Mare Cognitum is visible at the bottom of the photo, and Fra Mauro is the grey patch … Wikipedia
Mare Nectaris — Coordinates … Wikipedia
Mare Nubium — Coordinates … Wikipedia