
Space & PhysicsJune 1, 1964
X-Ray Astronomy
Rocket-borne instruments have detected two powerful sources of X radiation in the sky. They may identify extremely faint little stars with superdense cores composed largely of neutrons

X-Ray Astronomy
Rocket-borne instruments have detected two powerful sources of X radiation in the sky. They may identify extremely faint little stars with superdense cores composed largely of neutrons

Rocket Astronomy
Rockets which briefly soar above the greater part of the earth's atmosphere, where short wavelengths such as the ultraviolet are filtered out, have gathered new information about the universe