Moon
The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...
Eugene Cernan
Eugene Andrew Cernan (; March 14, 1934 – January 16, 2017) was an American astronaut, naval aviator, electrical engineer, aeronautical engineer, and fighter pilot. During the Apollo 17 mission, Cernan became the eleventh human being to ...
and
Harrison Schmitt
Harrison Hagan Schmitt (born July 3, 1935) is an American geologist, retired NASA astronaut, university professor, former U.S. senator from New Mexico, and the most recent living person—and only person without a background in military aviation ...
visited it in 1972, on the
Apollo 17
Apollo 17 (December 7–19, 1972) was the final mission of NASA's Apollo program, the most recent time humans have set foot on the Moon or traveled beyond low Earth orbit. Commander Gene Cernan and Lunar Module Pilot Harrison Schmitt walked on ...
mission. The astronauts referred to it simply as Steno during the mission. The north rim of Steno is Geology Station 1 of the mission.
To the south of Steno is
Emory Emory may refer to:
Places
* Emory, Texas, U.S.
* Emory (crater), on the moon
* Emory Peak, in Texas, U.S.
* Emory River, in Tennessee, U.S.
Education
* Emory and Henry College, or simply Emory, in Emory, Virginia, U.S.
* Emory University
...
, to the northwest are
Trident
A trident is a three- pronged spear. It is used for spear fishing and historically as a polearm.
The trident is the weapon of Poseidon, or Neptune, the God of the Sea in classical mythology. The trident may occasionally be held by other marine ...
and Powell, and to the northeast is Sherlock.
The crater was named by the astronauts after Danish scientist
Nicolas Steno
Niels Steensen ( da, Niels Steensen; Latinized to ''Nicolaus Steno'' or ''Nicolaus Stenonius''; 1 January 1638 – 25 November 1686The Valley of Taurus-Littrow Apollo 17 Lunar Surface Journal, Corrected Transcript and Commentary Copyright 1995 by Eric M. Jones