On planet Earth, we sit at the edge of the Milky Way Galaxy, nestled thousands of light years from the black hole at its center, in the Orion–Cygnus ... side. From Earth, we can see the the ...

Cygnus A, an elliptical galaxy located about 600 million light-years from Earth, is one of the brightest sources of radio waves in the night sky. The prominent galaxy took center stage in renowned ...