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Subject: 
Re: Why the sky is blue
Newsgroups: 
lugnet.off-topic.debate
Date: 
Wed, 20 Jun 2001 14:53:32 GMT
Viewed: 
1696 times
  
In lugnet.off-topic.debate, Jeff Jardine writes:
In lugnet.off-topic.debate, Bruce Schlickbernd writes:

Art 101: large bodies of water take on the color of the sky.  If the sky is
gray, the water is gray, not blue.  Lemme see....

http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Oceans.shtml

Scroll down a bit - they even use the gray sky/gray water in the example.


That is misinformation!  Water DOES have an intrinsic blue colour:

"Why the *ocean* is blue" is not quite the same as the three sources you
note, which all address "why *water* is blue".  The phenomenom of the ocean
taking on the color of the sky (in general) has been long observed and
recorded by artists.  Yes, the explanation was simplified, but go out on a
gray day and look at the ocean.

Bruce



Message has 1 Reply:
  Re: Why the sky is blue
 
(...) I've done so on many occasions, seriously trying to answer this very question (is the ocean blue, or is it reflecting the sky?) for myself. One tends to do this sort of thing when studying atmospheric science at the graduate level. There are (...) (23 years ago, 20-Jun-01, to lugnet.off-topic.debate)

Message is in Reply To:
  Re: Why the sky is blue
 
(...) That is misinformation! Water DOES have an intrinsic blue colour: (URL) Learning" indeed! However, I must apologise for my earlier starement that the bluish tinge of water is due to scattering. It is due to selective absorption (there's the (...) (23 years ago, 20-Jun-01, to lugnet.off-topic.debate)

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