WATCH LIVE: Artemis II blasts off on journey sending astronauts around the moon
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NASA
American space and aeronautics agency
The National Aeronautics and Space Administration (NASA ) is an independent agency of the U.S. federal government responsible for the United States' civil space program and for research in aeronautics and space exploration. Headquartered in Washington, D.C., NASA operates ten field centers across th...
Artemis II
Artemis program's second lunar flight
Artemis II is a planned lunar spaceflight mission under the Artemis program, led by NASA. It is intended to be the second flight of the Space Launch System (SLS), and the first crewed mission of the Orion spacecraft. It is the first crewed mission around the Moon, and beyond low Earth orbit, since A...
Artemis program
NASA-led lunar exploration program
The Artemis program is a Moon exploration program led by the United States' National Aeronautics and Space Administration (NASA), formally established in 2017 through Space Policy Directive-1. The program intends to reestablish a human presence on the Moon for the first time since the Apollo 17 miss...
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Why It Matters
This launch represents humanity's first crewed mission to lunar orbit since Apollo 17 in 1972, marking a critical step toward establishing a sustainable human presence on the Moon. The mission directly impacts NASA's Artemis program timeline, international space partnerships, and commercial space industry development. It affects scientists studying deep space radiation effects on humans, engineers testing new spacecraft systems, and policymakers allocating space exploration funding. Success could accelerate plans for lunar surface missions and eventual Mars expeditions, while failure would set back global space ambitions by years.
Context & Background
- Artemis II is the second mission in NASA's Artemis program, following the uncrewed Artemis I test flight that orbited the Moon in 2022
- The Apollo program's last crewed lunar mission was Apollo 17 in December 1972, making this the first human return to lunar vicinity in over 50 years
- Artemis II will use NASA's Space Launch System (SLS) rocket and Orion spacecraft, both developed specifically for deep space missions
- The mission includes international participation through the European Space Agency's service module contribution to Orion
- Artemis program aims to land the first woman and first person of color on the Moon through subsequent Artemis III mission
What Happens Next
Following successful launch, the crew will conduct systems checks during Earth orbit before trans-lunar injection burn. The 10-day mission will include lunar flyby approximately 4 days after launch, with return to Earth and Pacific Ocean splashdown. Data from Artemis II will inform final preparations for Artemis III lunar landing mission, currently scheduled for no earlier than 2025. NASA will announce crew assignments for Artemis III within 6-12 months after Artemis II completion.
Frequently Asked Questions
Artemis II uses modern technology including advanced computers, life support systems, and international spacecraft components. Unlike Apollo missions that landed on the Moon, Artemis II will only orbit the Moon without landing, serving as a test flight for future surface missions. The mission duration is shorter than most Apollo missions at approximately 10 days.
The crew includes NASA astronauts Reid Wiseman (commander), Victor Glover (pilot), Christina Koch (mission specialist), and Canadian Space Agency astronaut Jeremy Hansen (mission specialist). This represents the most diverse lunar mission crew in history, including the first woman, first person of color, and first non-American to travel to lunar orbit.
Primary objectives include testing Orion's life support systems with crew aboard, validating spacecraft performance in deep space environment, and assessing crew health and performance during lunar transit. Secondary objectives include testing communication systems at lunar distances and demonstrating emergency procedures that might be needed for future missions.
NASA aims to establish sustainable lunar exploration as a proving ground for Mars missions, develop new technologies, and foster commercial space industry growth. Scientific goals include studying lunar resources like water ice that could support future habitats. International competition and partnerships have also accelerated lunar exploration timelines.
Key risks include radiation exposure beyond Earth's protective magnetosphere, spacecraft system failures in deep space where rescue is impossible, and re-entry challenges at higher speeds than low-Earth orbit returns. The mission also tests new launch systems that have only flown once previously on Artemis I.