... News . ... Astronomers over the Moon about Apertif . The ability to simultaneously detect radio signals of two widely separated pulsars ushers in a new era in radio astronomy. ... Astronomers at ASTRON have, by simultaneously detecting the radio signals of two widely separated pulsars, demonstrated the feasibility of new receiver technology that will have a great impact on radio astronomy. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...