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Schroter's Valley - Wikipedia

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(Redirected from Vallis Schröteri)

Schroter's Valley, frequently known by the Latinized name Vallis Schröteri, is a sinuous valley or rille on the surface of the near side of the Moon. It is located on a rise of continental ground, sometimes called the Aristarchus plateau, that is surrounded by the Oceanus Procellarum to the south and west and the Mare Imbrium to the northwest. At the southern edge of this rise are the craters Aristarchus and Herodotus.

This is the largest sinuous rille on the Moon. It begins at a 6 km diameter crater located 25 km to the north of Herodotus. (The start of the rille has been termed the "Cobra's Head" by some observers, due to its resemblance to a snake.)^[1] From the crater it follows a meandering path, first to the north, then setting a course toward the northwest, before finally bending back to the south until it reaches a 1 km high precipice at the edge of the Oceanus Procellarum. The rille has a maximum width of about 10 km, then gradually narrows to less than a kilometer near its terminus.

The origins of this rille are believed to be volcanic. The interior floor has been resurfaced and is very level. However, there is a slender rille located on the floor, which can be photographed from Earth with a good telescope and good seeing.^[2]

The rille has been the subject of numerous transient lunar phenomena observations.

The selenographic coordinates of this valley are 26°12′N 50°48′W / 26.2°N 50.8°W / 26.2; -50.8, and it has a maximum diameter of 168 km. It is named for Johannes H. Schröter.^[3]

It was a potential landing site for the canceled Apollo 18 mission.^[4]

In April 2020, Intuitive Machines announced that Vallis Schröteri would be the target site of its first lunar landing attempt in October 2021. The company was awarded a $77 million Commercial Lunar Payload Services (CLPS) contract in May 2019 to land science payloads on the Moon for NASA. The robotic Nova C lander will be launched on a SpaceX Falcon 9 rocket.^[5]^[6] By April 2021, however, the landing site had been changed to a location between Mare Serenitatis and Mare Crisium instead.^[7]

References

^ Apollo 15: Preliminary Science Report. Scientific and Technical Information Office, National Aeronautics and Space Administration. 1972. pp. 25–106. Retrieved 10 November 2019.
^ Wlasuk, Peter (2000). Observing the Moon. Springer Science & Business Media. p. 83. ISBN 9781852331931.
^ Division, United States National Aeronautics and Space Administration Scientific and Technical Information (1968). Exploring Space with a Camera. Scientific and Technical Information Division, National Aeronautics and Space Administration. p. 124. Bibcode:1968eswc.book.....C.
^ "Apollo 18". Encyclopedia Astronautica. Archived from the original on 7 May 2012. Retrieved 13 April 2015.
^ "Launch Date and Landing Site Selected For 2021 Moon Mission". Intuitive Machines. 13 April 2020. Retrieved 13 April 2020.
^ "NASA Selects First Commercial Moon Landing Services for Artemis Program". NASA. 31 May 2019. Retrieved 13 April 2020.
^ "Intuitive Machines-1 Orbital Debris Assessment Report (ODAR) Revision 1.1" (PDF). Intuitive Machines. FCC. 22 April 2021. Retrieved 24 April 2021.

v t e Valleys on the Moon
Valleys	Vallis Alpes Vallis Baade Vallis Bohr Vallis Bouvard Vallis Capella Vallis Inghirami Vallis Palitzsch Vallis Planck Vallis Rheita Vallis Schrödinger Vallis Schröteri Vallis Snellius

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