Celebrating NASA's Mars Reconnaissance Orbiter's 20th Anniversary: Crater Near Sirenum Fossae

This impact crater, as seen by NASA's Mars Reconnaissance Orbiter in 2015, appeared relatively recent as it has a sharp rim and well-preserved ejecta. via NASA https://ift.tt/XYhGeFA This impact crater, as seen by NASA's Mars Reconnaissance Orbiter in 2015, appeared relatively recent as it has a sharp rim and well-preserved ejecta.