Lunar colony to run on moon dust and robots

 作者:张廖雀颏     |      日期:2019-03-02 08:15:07
By Celeste Biever SIMULATED moon dust has been used to make a key component of a working solar cell, giving an unexpected boost to President George W. Bush’s project of setting up a colony on the moon. Bush’s plan, announced a year ago, envisages a permanent lunar base from which people can go out and explore the moon, and then go on to Mars. “We will need a power source,” says David Williams, a planetary and lunar scientist at NASA’s National Space Science Data Center in Greenbelt, Maryland. “Bringing stuff up from Earth is really expensive.” Four years ago,