Astronomers using the 1.2-meter Whipple Observatory to follow the brightness of a lensed galaxy for 14.5 years have calculated that the time delay between light arriving along the shortest and farthest paths is 6.73 years.
Tag: quasar
Mar 31st: Black Hole Imaging, Quasar Wind, and ‘Tatooine’ Planetary Disks
Today’s stories cover getting razor-sharp black hole Image, detecting the powerful jets and winds produced by quasars in the galaxy, taking better images of Earth-like planets around other stars.
Apr 4th: Nobody Likes You, Neptune
Nobody cares about Neptune and now it’s mad! And can Earth travel at the speed of light? today’s #spaceradio at #365DaysOfAstro with @PaulMattSutter