Word: gegenschein
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...clear look at the starry sky. Since he had to keep watching his instruments, Carpenter could not turn off Aurora 7's panel lights, so his eyes never became adapted to darkness; he saw no more stars than are visible from earth. He did not see the Gegenschein, a comet-like trail of particles that is believed to follow the earth...
...night in the Northern Hemisphere, just after evening twilight and before morning twilight, the sky is faintly illuminated above the sunside of the horizon.* That thin lucence is called the Zodiacal light. Over the opposite side of the night horizon is another just perceptible glow rarely perceived called the Gegenschein, or counterglow. In the tropics the Zodiacal light appears every clear night, except when the moon outshines it. The light of the milky way blots out the Gegenschein during December, January, June and July. Other times it matches the Zodiacal light. Last week before the annual meeting of the American...
...that direction 30,000 miles thick and appears as the Zodiacal light. From the opposite side of the earth where the cloud's resistance to sunlight pressure is less it is squeezed a million miles or more from earth into a thin taper. That is where the Gegenschein glows. Through that taper the earth's atmosphere very, very slowly escapes into universal chaos, a millionth part in a million years...
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