Four astronauts embarked on a historic flight around the moon on Wednesday, marking humanity’s first lunar voyage in more than half a century. The launch took place from NASA’s Kennedy Space Center in Florida, with tens of thousands of spectators witnessing the dawn of a new era in space exploration.

A New Era of Lunar Exploration

The Artemis II mission is a key step toward future moon landings and establishing a sustained human presence beyond Earth. It represents a thrilling beginning in NASA’s push for a lunar landing within the next two years. The mission launched from the same Florida site that hosted the Apollo missions of the 1960s and 70s.

The Crew and Their Historic Journey

Artemis II commander Reid Wiseman led the crew, accompanied by pilot Victor Glover, Christina Koch, and Canada’s Jeremy Hansen. This mission boasts the most diverse lunar crew ever, including the first woman, person of color, and non-U.S. citizen to travel to the moon aboard NASA’s Orion capsule. As they boarded the astrovan, Glover shared a heartfelt “Love you guys” with his family.

For the first 25 hours, the astronauts will focus on testing the capsule in Earth orbit before firing the main engine to propel them towards the moon. Unlike previous lunar missions, Artemis II will not orbit the moon but will instead fly past it, reaching a distance of 4,000 miles beyond before returning to Earth for a splashdown in the Pacific Ocean.

Testing and Scientific Opportunities

During the mission, the crew will practice manual control of the Orion capsule, maneuvering around the rocket’s detached upper stage. This is a crucial test to ensure the capsule can be piloted safely in case of a failure in the self-flying system. They will also have the opportunity to observe the moon in unprecedented detail, potentially capturing images of features never before seen by human eyes.

The astronauts will also witness a total solar eclipse from their unique vantage point, using special eclipse glasses to safely observe the corona. Four days into the lunar flyby, the moon will appear as large as a basketball held at arm’s length, providing a stunning visual experience.

Looking Ahead: Sustainable Lunar Presence

The success of Artemis II is vital for NASA’s broader plans, which include establishing a sustainable moon base with robotic rovers and drones. NASA Administrator Jared Isaacman has accelerated the lunar launch pace and is focusing on surface operations. The mission builds upon the success of Artemis I, which tested the SLS rocket and Orion capsule without a crew.

Artemis II is a critical technology test, and NASA is confident in its success. The mission’s trajectory will utilize a free-return lunar flyby, relying on gravity to assist in the return journey, similar to the approach used during the Apollo 13 mission. The Orion spacecraft is scheduled to splashdown off the coast of San Diego after its 10-day mission.

“This is their Apollo,” said NASA’s science mission chief Nicky Fox, recognizing that for many, this is their first experience with human lunar exploration. The mission represents a long-term commitment to space exploration, with the goal of paving the way for future missions to Mars.