... What if you could see the huge radio jets of Centaurus A rising? The Cen A radio jets are not only over a million light years long, they occupy an angular area over 200 times greater than the full Moon in Earth's sky. 50 Years Ago: Yuri s Planet . ... Commenting on the first view from space he reported, "The sky is very dark; the Earth is bluish. ... Lunar Farside . ... In a clear sky from a dark location at the right time, a faint band of light is visible across the sky. ...