...at 7 p.m. Eastern time on Monday, Feb. 4...NASA will be celebrating the 50th anniversary of its first space mission — the launch of the Explorer 1 satellite — by using the system of huge antennas that usually listen for inbound signals from space to send one outbound instead: the Beatles’ song “Across the Universe,” which as it happens was mostly recorded exactly 40 years earlier, on Feb. 4, 1968.

Reception will be best in the general direction of Polaris, 431 lightyears away, which is where NASA is aiming the signal. (That would be the North Star to us laymen.) But it ought to be audible in plenty of places on Earth as well, at least by imitation: NASA is encouraging space fans and Beatle fans alike to play the song themselves at the same time.

NASA’s press release includes some perfectly in-character comments from Sir Paul McCartney (”Amazing! Well done, NASA! Send my love to the aliens. All the best, Paul.”) and from Yoko Ono, widow of John Lennon, the song’s main author (”I see that this is the beginning of the new age in which we will communicate with billions of planets across the universe.”). ...   more »