The 2.7 Kelvin cosmic background radiation is concentrated in the: w) radio wavelengths x) infrared y) visible z) ultraviolet Answer : ANSWER: W -- RADIO WAVELENGTHS...
Primary cosmic radiation is characterized by: w) an intensity which is essentially constant in time x) isotropic in space y) very energetic particles z) all of the above. Answer : ANSWER: Z -- ALL OF THE ABOVE...
The Magellanic cloud is a: w) nebula x) galaxy y) super nova remnant z) star cluster Answer : ANSWER: X -- GALAXY...
What are Saturn's rings composed of? w) completely connected solid masses x) billions of tiny solid particles y) mixtures of gases z) highly reflective cosmic clouds Answer : ANSWER: X -- BILLIONS OF TINY SOLID PARTICLES ...
Penzias and Wilson made what famous discovery which supported the idea that the universe was created by a "big Bang". Answer : ANSWER: BACKGROUND RADIATION RESULTING FROM THE BIG BANG or PRIMORDIAL FIREBALL RADIATION or 3 K RADIATION ...
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