
The SciencesMarch 1, 1957
The Crab Nebula
It shines with a strange sort of light that gives evidence of a wholly unexpected natural phenomenon. This glowing body of gas is apparently a gigantic electron synchrotron

The Crab Nebula
It shines with a strange sort of light that gives evidence of a wholly unexpected natural phenomenon. This glowing body of gas is apparently a gigantic electron synchrotron

The Evolution of Galaxies
They have various forms: irregular, elliptical, spiral and barred spiral. The study of these structures, including that of our own galaxy, has led to a theory of their descent from a primordial gas