SCIENCE
The Slow and Steady Race to the Moon
Tokyo, JapanWed Jun 04 2025
The moon has always been a big deal, and recently, two spacecraft set off from Florida to make their mark on the lunar surface. One of them, Blue Ghost, made it there in just a few months and even managed to land upright, which was a big win. The other spacecraft, Resilience, is taking the scenic route. It's been cruising through space for months, learning and adapting along the way.
Resilience's journey is a bit different from its competitors. Instead of zooming straight to the moon, it's taking a slow, energy-efficient path. Think of it like riding a bike to a friend's house, using gravity to help along the way. This method has its perks. For one, it gives the team on Earth plenty of time to test and tweak the spacecraft's systems. They've been rotating in and out of mission control, getting hands-on experience with deep-space travel.
But this slow approach isn't without its risks. Ispace, the company behind Resilience, had a crash landing on their first attempt. Plus, spending so much time in space can be tough on the instruments onboard. Radiation and temperature swings can take a toll. That's why Ispace is planning to switch things up for their next mission, aiming for a more direct route to the moon.
So, what's on board Resilience? A few cool experiments, including a test for growing food using algae, a radiation monitor, and a device to generate hydrogen and oxygen. If all goes well, these experiments could provide some valuable insights.
As for where Resilience is headed, Ispace has chosen a flatter region called Mare Frigoris, or the "Sea of Cold. " It's a bit different from their previous landing site, the Atlas crater, which was a bit more challenging to navigate. The company will be livestreaming the touchdown attempt, so everyone can watch and see if Resilience can pull off a successful landing.
If Resilience lands upright, Ispace will make history as the first commercial company outside the US to do so. They'll also join Firefly in the club of companies that have successfully landed a robotic lunar lander. Both companies are part of NASA's Artemis program, which aims to return humans to the moon. These robotic missions are like the scouts, paving the way for future astronauts.
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questions
Why might a faster trajectory to the moon be more beneficial for both the spacecraft and the instruments it carries?
What are the potential risks associated with the extended exposure to space radiation and temperature fluctuations during the long journey?
If the Resilience lander takes a wrong turn, will it end up in the lunar equivalent of a traffic jam?
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