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Context image Today’s VIS image shows the complete length of two channels in northern Terra Sirenum. As with all channels in this region – including Mangala Valles – the flow is northward into the low elevation region south of Amazonis Mensa. Abus Vallis is on the left and is 66 km long (41 miles). […]

Context image This VIS image shows a short section of Reull Vallis. Reull Vallis starts in Promethei Terra and empties into Hellas Plainitia. Reull Vallis is 1051km (653 miles) long. Orbit Number: 92175 Latitude: -38.4731 Longitude: 111.272 Instrument: VIS Captured: 2022-09-24 23:41 Please see the THEMIS Data Citation Note for details on crediting THEMIS