Skip to content

Questions about Mons Hadley

Short answers, pulled from the story.

How tall is Mons Hadley on the Moon?

Mons Hadley has a height of 4.5 kilometers (14,764 feet) above the adjacent lunar plain. Its base has a maximum diameter of 25 kilometers.

Did Apollo 15 astronauts climb Mons Hadley?

No. The Apollo 15 landing site was a valley to the southwest of Mons Hadley. The astronauts visited and sampled the nearby Mons Hadley Delta, but Mons Hadley itself was only photographed from the surface.

What is Rima Hadley and where is it located?

Rima Hadley is a sinuous lunar rille centered at selenographic coordinates 25.0 degrees North, 3.0 degrees East, spanning a diameter of 80 kilometers. It runs generally northeast toward Mons Hadley and begins at the elongated crater Bela.

Who is Mons Hadley named after?

Mons Hadley is named after the English mathematician John Hadley, who lived from 1682 to 1744. Mons Hadley Delta and Rima Hadley are also named in his honor.

What is Mons Hadley Delta and how does it differ from Mons Hadley?

Mons Hadley Delta is a slightly smaller peak located to the southwest of the valley that served as the Apollo 15 landing site. It rises about 3.5 kilometers above the valley floor, compared to Mons Hadley's 4.5 kilometers above the adjacent plain.

What craters are near Rima Hadley on the Moon?

Four small craters near Rima Hadley have been officially named by the IAU: Bela, Carlos, Jomo, and Taizo. Their names come from Hungarian, Spanish, African, and Japanese naming traditions. A crater formerly called Hadley A was renamed Joy by the IAU in 1973.