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Hello delta88343,
Finally after 55 years I get a really good answer. Now-- why are the
oceans salty?
--
Best regards,
Jim Johnson mailto:jejohn@xxxxxxxxxxxxxxxx
Monday, April 01, 2002, 11:43:18 PM, you wrote:
dac> In a message dated 4/1/02 10:46:26 PM Eastern Standard Time,
dac> ztrader@xxxxxxxxx writes:
>> the sky "looks" blue because the
>> JC>
dac> The shortest light waves appear blue and the longest red. The blue light
dac> waves are readily scattered by tiny particles of matter in the atmosphere,
dac> but the red light waves travel undisturbed unless they are struck by larger
dac> particles.
dac> When the sky is clear, the waves of blue light are scattered much more than
dac> those of any other color. As a result, the sky appears blue. When the sky is
dac> full of dense clouds or smoke, the light waves of all colors are scattered,
dac> causing the sky to turn gray. At sunrise or sunset, sunlight must travel
dac> farther through the atmosphere than when the sun is overhead. Light waves of
dac> most colors are scattered. Undisturbed red light waves give the sun and sky
dac> near the horizon a red or orange appearance.
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