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Why does artemis mean?

Short answer

Artemis is the Greek goddess of the Moon and Apollo's twin sister: NASA announced that name on May 16, 2019, for its return-to-the-Moon program, successor to Apollo. Artemis I flew uncrewed on November 16, 2022, and Artemis II carried four astronauts around the Moon on April 1, 2026.

Why does artemis mean?
SLS on MLP at night

A twin goddess

In Greek mythology, Artemis is the goddess of the Moon and Apollo's twin sister. NASA chose the name precisely for that kinship: on May 16, 2019, Administrator Jim Bridenstine announced that the new lunar program would be called Artemis, after the goddess of the Moon and twin sister of Apollo, the god who had given his name to the program of the 1960s. The message was twofold: technical and institutional continuity with Apollo, and at the same time a change of cast, since the program aims to land the first woman on the Moon.

From test flight to crewed flyby

Artemis I launched on November 16, 2022, at 06:47:44 UTC: an uncrewed mission that sent the Orion spacecraft into lunar orbit and brought it back to the Pacific on December 11, after about 25 days of flight. Artemis II flew on April 1, 2026, at 22:35:12 UTC with Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen aboard; it followed a free-return circumlunar trajectory for nine days and splashed down on April 11. It was the first crewed flight beyond low Earth orbit since Apollo 17, in 1972.

What the name designates today

Artemis no longer identifies a single spacecraft or rocket, but an entire system: the SLS launcher, the Orion capsule, commercially developed lunar landers, and the intention to sustain a recurring presence in the lunar environment. Artemis III is scheduled for late 2027. That the program bears the name of a huntress associated with the Moon and the night works both as a label and as a statement of intent: Apollo was a race against a rival and ended when it was won; Artemis presents itself as a return meant to stay, with international partners and a timeline measured in decades.

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