Arecibo Radio Telescope might close

Point taken (my bold).
Radio Telescope And Its Budget Hang in the Balance – washingtonpost.com

But among astronomers, Arecibo is an icon of hard science. Its instruments have netted a decades-long string of discoveries about the structure and evolution of the universe. Its high-powered radar has mapped in exquisite detail the surfaces and interiors of neighboring planets.
And it is the only facility on the planet able to track asteroids with enough precision to tell which ones might plow into Earth — a disaster that could cause as many as a billion deaths and that experts say is preventable with enough warning.