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Astronauts and Cosmonauts

Astronomical Units of Measure

Craters of the Moon

Galilean Moons of Jupiter

Key Concepts in Planetary Science

Lunar Exploration Missions

Planetary Science Acronyms

Types of Meteorites

Rockets and Launch Vehicles

Satellites of Earth

Spaceflight Milestones

The Layers of the Sun

Lunar Exploration Missions

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Artemis I

Planned for 2022, Uncrewed test flight for NASA's Artemis program

Apollo 15

1971, Extensive scientific investigation of the Moon with lunar roving vehicle

Apollo 11

1969, First manned moon landing

Luna 9

1966, First successful soft lunar landing and transmission of photo data to Earth

Luna 1

1959, First spacecraft to reach the vicinity of the Moon

Chang'e 3

2013, First soft landing of a Chinese lunar probe

LCROSS

2009, Identified water in the permanently shadowed lunar craters

Apollo 17

1972, The last manned mission to the Moon as of the Knowledge Cut-off

Luna 2

1959, First human-made object to impact the Moon

Luna 24

1976, Last Soviet lunar mission which brought samples back to Earth

Clementine

1994, Mapped the Moon and detected possible water ice in polar craters

Luna 16

1970, First robotic probe to land on the Moon and return a sample to Earth

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