See Jezero Crater in a whole new light.
impact. The crater is a so-called"open basin lake," which means that water once flowed both into and out of this now barren and arid crater.
As the video zooms in closer to Jezero, an outflow channel can be seen snaking away from the crater toward the viewer. As the video zooms in even more, two inflow channels, called Neretva Vallis and Sava Vallis, can be resolved on the western-northwestern rim of Jezero. Breaching the wall of Jezero are three valleys, which are also the remains of rivers that dried out billions of years ago. These inflow channels once fed this ancient lake with water and form the most prominent branches leading into Jezero. They eventually branch out to create a fan-shaped river delta within the crater, a feature that the Perseverance team is keen to explore.
Over 3.5 billion years ago, the channels of Jezero spilled water over the crater wall, birthing a lake. Today researchers see traces of clay minerals carried by this water from the surrounding region and into the lake. There is a possibility that, during this waterlogged period, microbial life existed in and around Jezero.
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