Supernova

Violent Universe

by

Cygnus X-1 Copyright David A. Hardy One of the first suspected examples of a black hole was Cygnus X-1. In 1972 a massive blue supergiant star in Cygnus was found to have an invisible companion which emitted X-rays.  This was calculated to be 14 times as massive as the Sun – too massive to be … Read more

The Universe – Supernovas

by

“We are the journeywork of the stars, no less than the leaves of grass.” -Walt Whitman Join us today on Far Future Horizons as we explore our stellar legacy.  Each of us, in the immortal words of the American poet Walt Whitman, “…are the journeywork of the stars, no less than the leaves of grass.” … Read more