![Rush to return humans to the moon could threaten opportunities for astronomy
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Rush to return humans to the moon could threaten opportunities for astronomy Premium
The Hindu
The 2020s have already seen many lunar landing attempts, although several of them have crashed or toppled over. With all the excitement surrounding the prospect of humans returning to the Moo
The 2020s have already seen many lunar landing attempts, although several of them have crashed or toppled over. With all the excitement surrounding the prospect of humans returning to the Moon, both commercial interests and scientists stand to gain.
The Moon is uniquely suitable for researchers to build telescopes they can’t put on Earth because it doesn’t have as much satellite interference as Earth, nor a magnetic field blocking out radio waves. But only recently have astronomers like me started thinking about potential conflicts between the desire to expand knowledge of the universe on one side and geopolitical rivalries and commercial gain on the other, and how to balance those interests.
As an astronomer and the co-chair of the International Astronomical Union’s working group Astronomy from the Moon, I’m on the hook to investigate this question.
By 2035 – just 10 or so years away – American and Chinese rockets could be carrying humans to long-term lunar bases.
Both bases are planned for the same small areas near the south pole because of the near-constant solar power available in this region and the rich source of water that scientists believe could be found in the Moon’s darkest regions nearby.
Unlike the Earth, the Moon is not tilted relative to its path around the Sun. As a result, the Sun circles the horizon near the poles, almost never setting on some crater rims. There, the never-setting Sun casts long shadows over nearby craters, hiding their floors from direct sunlight for the past 4 billion years, 90% of the age of the solar system.
These craters are basically pits of eternal darkness. And it’s not just dark down there, it’s also cold: below -418 degrees Fahrenheit (-250 degrees Celsius). It’s so cold that scientists predict that water in the form of ice at the bottom of these craters – likely brought by ancient asteroids colliding with the Moon’s surface – will not melt or evaporate away for a very long time.
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