Cut into the hills in south China, about 2,000km from Beijing, is the worldâs largest telescope. Itâs not one of those telescopes that you look through, the sort that non-science minds like mine think of as telescopes. Itâs a radio telescope. Effectively itâs a massive dish (alright, cosmos lovers, there is unquestionably a more informed way to describe it, but Iâm hardly Carl Sagan). Itâs 500 metres in diameter. Thatâs very, very big.
Itâs sitting there, ready to move a little to focus better, to pick up radio signals, signs from deep space, both of the origins of our universe and, more interestingly, really, of other life.
So far, itâs picked up evidence of a few new pulsars. And after I googled pulsars I felt that, frankly, our big ChineseâŚ
