Фото: Valentyn Ogirenko / Reuters
"We've got to do something where we can get more value out of space and the lunar surface than we put into it. And that's how you really ignite an economy, and that's how everything we want to do in space is not perpetually dependent on taxpayers."，这一点在谷歌浏览器【最新下载地址】中也有详细论述
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Lightning-generated waves detected at Mars
// 每轮将最大值"冒泡"到末尾，所以范围逐渐缩小