NASA has announced that its much-anticipated Artemis program, aimed at returning astronauts to the moon, has been delayed again. The program aims to return astronauts to the moon. NASA revealed that it has discovered a problem with the heat shield of the Orion spacecraft. During last year's unmanned Artemis 1 mission that orbited the moon, NASA discovered that the outer layer of the heat shield retained more heat than expected during reentry into the Earth's atmosphere.
Excess heat causes gas to become trapped and internal pressure increases, causing the outer insulation panels to crack and peel off unevenly. Such problems are highly undesirable when a capsule carrying astronauts is hurtling through the atmosphere at 25,000 mph.
NASA proposed a solution: adjust the Orion spacecraft's return orbit to gradually slow down the spacecraft's speed. However, implementing this solution will require another adjustment to the timeline. The Artemis II mission, originally scheduled to fly a crew over the moon at the end of 2025, has been postponed to April 2026.
As for the crucial Artemis 3 mission - designed to land the first woman and next man on the moon, marking humanity's return to the lunar surface since Apollo 17 in 1972 - it has been postponed from September 2026 to at least mid-2027.
NASA Administrator Bill Nelson, writing on the
The Artemis 2 crew - Commander Reid Wiseman, pilots Victor Glover and Christina Koch, and Canadian Space Agency astronaut Jeremy - Jeremy Hansen - seemed to be taking the delay in stride. Wiseman expressed his gratitude to NASA for its transparent decision-making, saying that the crew "appreciated NASA for weighing all options with an open mind and making the decision that was best for human spaceflight."
This is just the latest in a series of delays for the troubled Artemis program. Artemis 1, the first unmanned mission to orbit the moon, was originally scheduled for 2016. However, a series of technical challenges and budget constraints pushed the milestone back six years, with the mission ultimately scheduled for late 2022.