NASA: The $93Billion Plan to put Astronauts back on the Moon

NASA: The $93Billion Plan to put Astronauts back on the Moon

The world’s most powerful rocket will make a trip around the Moon in 2022 — a step towards landing people there in 2025, and part of the US Artemis programme.

On the morning of 17 March, the world’s largest set of doors rolled open to reveal an aerospace marvel at the Kennedy Space Center in Merritt Island, Florida. There, in NASA’s biggest building, stood its newest rocket — the most powerful ever built and nearly 100 metres tall. That evening, an enormous wheeled platform rolled slowly out of the building, carrying the mega-rocket through the coastal night towards its launch pad.

Like many space enthusiasts around the world, Renee Weber, a planetary scientist at NASA’s Marshall Space Flight Center in Huntsville, Alabama, stared in awe at the webcast feed. “That thing is going to the Moon,” she thought.

And unlike any rocket in the past half-century, that thing is going to carry people to the Moon. NASA plans to use it to send crews back to the lunar surface, more than 50 years after US astronauts last walked there during the Apollo programme. The upcoming push is called Artemis, after Apollo’s twin sister in Greek mythology.

NASA aims to kick off the Artemis era later this year, with the first launch of its mega-rocket, called the Space Launch System (SLS). That mission, dubbed Artemis 1, will fly without any crew around the Moon and back on a trip lasting between 26 and 42 days. NASA hopes to achieve its next giant goal, of landing astronauts at the lunar south pole, by the end of 2025. To support the Artemis programme, NASA has contracted companies to send a series of robotic landers to the Moon, which will carry NASA-funded instruments to explore its surface and enhance the science that could come from astronaut missions.

Illustration of the Orion spacecraft passing by the moon in space with the Earth visible in the background.
In the upcoming Artemis 1 mission, NASA’s new Orion spacecraft will fly without a crew around the Moon.Credit: NASA/Liam Yanulis

The Artemis programme faces huge challenges, notably whether the US Congress will be willing to pay the cost of several billion dollars per flight. But if it proceeds anything like NASA has envisioned, it will give a major boost to science education and public awareness, much as the Apollo programme, born from the cold-war-era space race between the United States and the Soviet Union, inspired a generation of scientists and engineers.
Science would benefit, too. The lunar south pole has never been explored by people or landers (although several robotic missions aim to get there before Artemis astronauts). Because sunlight never reaches parts of the south pole, some areas could have been frozen for billions of years. They might contain ice and other compounds that are rare on the mostly bone-dry Moon. By finding these volatile substances and studying them, scientists can gain insights into the origin and evolution of the Moon, as well as into the broader history of the Solar System,including eaarth.

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