摘要：If the approach were sustained until other measures were introduced to remove carbon dioxide from Earth's atmosphere, this could o

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节选自《新科学家杂志》2023.2.18

If the approach were sustained until other measures were introduced to remove carbon dioxide from Earth's atmosphere, this could offset the increase in the gas's concentration that has occurred since the industrial revolution, says Ben Kravitz at Indiana University, Bloomington.

“If this method works, it would certainly be effective at reducing global temperature, but it's hard to say whether it would be worth it relative to the effort and resources used,” says Kravitz. "

The simulations didn't model the use of any machinery to launch the lunar dust, but one option would be a railgun, which propels things via electromagnetic energy, says Bromley. “This would be perfect because it could be fuelled by a few square kilometres of solar panels placed near the launch site,” he says.

参考译文：

美国印第安纳大学伯明顿分校的本·克拉维茨（Ben Kravitz）指出，若能在其他消除大气中二氧化碳的措施出台前持续应用该方法，或可抵消自工业革命以来大气中二氧化碳浓度的增长幅度。

“若该方案切实可行，无疑能有效降低全球温度，但相较于投入的精力与资源，其性价比尚难断言。"克拉维茨表示。

模拟实验未具体设定任何用于发射月球尘埃的装置类型，但布朗利认为电磁轨道炮不失为一种可能选择——该设备通过电磁能驱动物体。“这是理想方案，因为仅需在发射点附近部署数平方公里的太阳能电池板即可为其供能。”他解释道。

核心词汇：

来源：生物小黑板