The other part of the project is an undirected search which is monitoring all of space with a lower sensitivity, using the smaller antennas of NASA's Deep Space Network.
该项目的另一部分是无定向搜索,使用 NASA 深空网络的小型天线,以较低的灵敏度监测所有空间。
3
America already has the world's most developed spacemonitoring system with a network of radars and telescopes. But its surveillance is patchy.