NASA is set to launch Artemis II, sending humans on a journey to the Moon for the first time since 1972. This mission represents a significant step towards establishing a long-term human presence on the lunar surface.

A Lunar Flyby: Artemis II Mission Details

The Artemis II mission will send four astronauts on a lunar fly-around, traveling thousands of miles beyond the Moon before returning to Earth. This isn’t a landing mission; the crew will not circle or land on the Moon, but rather complete a quick, less-than-10-day out-and-back trip.

Meet the Crew

The diverse and international crew includes Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen. Christina Koch already holds the record for the longest single spaceflight by a woman, with 328 days aboard the International Space Station, including the first all-female spacewalk. Victor Glover was the first Black astronaut to live and work on the space station in 2020-2021 and also launched with SpaceX. Jeremy Hansen, from the Canadian Space Agency, is the only spaceflight rookie on the mission. Reid Wiseman, a retired Navy captain, will command the mission.

The Space Launch System (SLS) Rocket

The mission will utilize NASA’s new Space Launch System (SLS) rocket, standing at 322 feet tall. While shorter than the Apollo-era Saturn V rocket, the SLS is more powerful at liftoff. The rocket uses liquid hydrogen fuel, a technology that previously caused issues with the space shuttles and the first SLS test flight.

Mission Timeline and Trajectory

Following liftoff, the astronauts will orbit Earth for 25 hours, practicing docking maneuvers with the separated upper stage of the rocket. Orion’s main engine will then propel the crew towards the Moon, approximately 244,000 miles away.

A Record-Breaking Distance

On flight day six, Orion will reach its farthest point from Earth, sailing 5,000 miles beyond the Moon. This will surpass the distance record set by Apollo 13, making the Artemis II astronauts the most distant travelers in history. The crew anticipates capturing unique images of the lunar far side, a region rarely seen.

Return to Earth

After the flyby, the crew will return to Earth, splashing down in the Pacific Ocean nine days, one hour, and 46 minutes after liftoff. The Orion capsule’s heat shield will be closely monitored during reentry, as it experienced damage during a previous test flight in 2022.

Scientific Value and Future Exploration

The Artemis II mission will provide valuable data and experience for future lunar missions. NASA geologist Kelsey Young emphasized the unifying power of lunar exploration. The crew will be equipped with professional cameras and smartphones to document their journey, with observations of the lunar far side being particularly valuable, as only China has previously landed spacecraft there.