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Groups > sci.physics > #524470
| From | Joy Beeson <jbeeson@invalid.net.invalid> |
|---|---|
| Newsgroups | rec.arts.sf.written, sci.physics |
| Subject | Re: green stars |
| Date | 2015-10-03 23:49 -0300 |
| Organization | A noiseless patient Spider |
| Message-ID | <ck411b5vs40635kls186iij3v8tcppvlbq@4ax.com> (permalink) |
| References | <560E3D7D.3AA6@ix.netcom.com> <k8SdnVsCeckGUpPLnZ2dnUU7-S-dnZ2d@giganews.com> <nvM5yI.1sLq@kithrup.com> <XnsA527A31B8D7FBtaustingmail@69.16.179.43> <nvMHKs.671@kithrup.com> |
Cross-posted to 2 groups.
I figured it out when I wondered why I never see electric stove burners glowing read. Start with a burner that's merely warm. You can feel the infra-red radiation coming off it, but the coils are black. As the burner heats, it gives off more infra red, but the peak of the spectrum its giving off shifts blueward, so it also gives off a little red. But it's very little red, and you'd have to be thoroughly dark-adapted to see it. As it heats further, it give off more infra-red, and more red, but when the peak is in the red, there is a lot of orange and yellow and green and blue in the sloping tail, just as there is a lot of infra-red in the other sloping tail. Even though the peak is in the red, there's enough higher-frequency light that you don't see a pure-red red. Get it a little hotter and the peak goes higher and shifts a little more, and you see a definite orange. We've pulled a safety device off somewhere, and this being a gedanken experiment, the coils won't melt as the burner keeps heating and the peak emission gets higher and bluer. As the light gets brighter and the peak moves into the yellow area, the light gets paler as well as yellower, and once it's pure yellow, it just gets paler. And when the peak hits green, we get pure white light, because green is right in the middle, and there is as much long-wave radiation below it as there is short-wave radiation above it. Which makes me wonder why plants reject green light instead of using it. Still hotter, and the light starts to take on a pale blue cast. If it's possible for something to get hot enough to appear pure blue, I don't want to be in the same solar system with it, and I'm not sure I want to be in the same galaxy. -- joy beeson at comcast dot net http://wlweather.net/PAGEJOY/ The above message is a Usenet post. I don't recall having given anyone permission to use it on a Web site.
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green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-02 01:17 -0700
Re: green stars Sam Wormley <swormley1@gmail.com> - 2015-10-02 08:19 -0500
Re: green stars john <johnsefton288@gmail.com> - 2015-10-02 06:30 -0700
Re: green stars Odd Bodkin <bodkinodd@gmail.com> - 2015-10-02 08:59 -0500
Re: green stars benj <nobody@gmail.com> - 2015-10-02 12:24 -0400
Re: green stars HVAC <mr.hvac@gmail.com> - 2015-10-05 10:19 -0700
Re: green stars Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-10-03 12:14 +0200
Re: green stars Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2015-10-02 14:40 -0400
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-02 22:18 +0000
Re: green stars Sam Wormley <swormley1@gmail.com> - 2015-10-02 17:45 -0500
Re: green stars Angelo <patrizio.pan-2002@libero.it> - 2015-10-05 08:30 -0700
Re: green stars Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2015-10-02 16:02 -0700
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-03 02:29 +0000
Re: green stars Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2015-10-02 22:29 -0700
Re: green stars Joy Beeson <jbeeson@invalid.net.invalid> - 2015-10-03 23:49 -0300
Re: green stars "Mike Dworetsky" <platinum198@pants.btinternet.com> - 2015-10-04 08:48 +0100
Re: green stars Cryptoengineer <treifamily@gmail.com> - 2015-10-04 11:07 -0500
Re: green stars "Brian M. Scott" <b.scott@csuohio.edu> - 2015-10-04 12:50 -0400
Re: green stars Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2015-10-04 10:54 -0700
Re: green stars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-04 13:21 -0400
Re: green stars Greg Goss <gossg@gossg.org> - 2015-10-04 11:15 -0600
Re: green stars Stumpy <perilmung@spamnet.con> - 2015-10-05 13:39 -0700
Re: green stars "Sea Wasp (Ryk E. Spoor)" <seawasp@sgeinc.invalid.com> - 2015-10-04 09:27 -0400
Re: green stars William Vetter <mdhangton@gmail.com> - 2015-10-04 16:45 -0400
Re: green stars Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2015-10-03 17:40 -0400
Re: green stars Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2015-10-03 14:51 -0700
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-03 21:54 +0000
Re: green stars Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2015-10-03 17:24 -0700
Re: green stars wdstarr@panix.com (William December Starr) - 2015-10-04 06:46 -0400
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-04 13:15 +0000
Re: green stars jmfbahciv <See.above@aol.com> - 2015-10-04 14:27 +0000
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-04 16:53 +0000
Re: green stars jmfbahciv <See.above@aol.com> - 2015-10-05 13:02 +0000
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-05 14:39 +0000
Re: green stars jmfbahciv <See.above@aol.com> - 2015-10-06 13:34 +0000
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-06 14:24 +0000
Re: green stars jmfbahciv <See.above@aol.com> - 2015-10-07 13:18 +0000
Re: green stars Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2015-10-07 19:27 -0400
Re: green stars "Brian M. Scott" <b.scott@csuohio.edu> - 2015-10-07 19:43 -0400
Re: green stars Greg Goss <gossg@gossg.org> - 2015-10-08 01:58 -0600
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-08 01:11 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-08 13:49 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-08 21:20 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-09 22:04 -0700
Re: green stars wdstarr@panix.com (William December Starr) - 2015-10-08 08:19 -0400
Re: green stars pnalsing@gmail.com - 2015-10-08 08:59 -0700
Re: green stars Greg Goss <gossg@gossg.org> - 2015-10-09 00:10 -0600
Re: green stars William Vetter <mdhangton@gmail.com> - 2015-10-09 13:19 -0400
Re: green stars wdstarr@panix.com (William December Starr) - 2015-10-09 21:27 -0400
Re: green stars Greg Goss <gossg@gossg.org> - 2015-10-10 20:12 -0600
Re: green stars Lofty Goat <rlwatkins@gmail.com> - 2015-10-05 19:08 -0500
Re: green stars Dimensional Traveler <dtravel@sonic.net> - 2015-10-05 17:20 -0700
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-06 01:09 +0000
Re: green stars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-05 22:21 -0400
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-06 02:33 +0000
Re: green stars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-05 23:03 -0400
Re: green stars Dimensional Traveler <dtravel@sonic.net> - 2015-10-05 22:03 -0700
Re: green stars Wayne Brown <fwbrown@bellsouth.net> - 2015-10-08 19:38 +0000
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-08 22:19 +0000
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-08 16:14 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-08 16:16 -0700
Re: green stars pnalsing@gmail.com - 2015-10-08 17:33 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-08 19:33 -0700
Re: green stars pnalsing@gmail.com - 2015-10-08 19:59 -0700
Re: green stars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-08 21:36 -0400
Re: green stars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-09 04:19 +0000
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-09 11:12 -0700
Re: green stars scott@slp53.sl.home (Scott Lurndal) - 2015-10-09 14:05 +0000
Re: green stars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-08 18:57 -0400
Re: green stars jmfbahciv <See.above@aol.com> - 2015-10-06 13:34 +0000
Re: green stars Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2015-10-04 10:57 -0700
Re: green stars "Brian M. Scott" <b.scott@csuohio.edu> - 2015-10-04 10:41 -0400
Re: green stars wdstarr@panix.com (William December Starr) - 2015-10-04 13:43 -0400
Re: green stars wdstarr@panix.com (William December Starr) - 2015-10-02 22:38 -0400
Re: green stars Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2015-10-03 17:37 -0400
Re: green stars Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2015-10-03 14:52 -0700
Re: green stars Sam Wormley <swormley1@gmail.com> - 2015-10-03 17:36 -0500
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-05 01:39 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-05 01:55 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-05 01:17 -0700
Re: green stars Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2015-10-05 14:04 -0400
Re: green stars Sam Wormley <swormley1@gmail.com> - 2015-10-05 13:07 -0500
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-05 12:58 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-05 23:52 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-06 10:24 -0700
Re: green stars pnalsing@gmail.com - 2015-10-06 11:39 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-06 12:35 -0700
Re: green stars pnalsing@gmail.com - 2015-10-06 13:20 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-06 15:15 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-06 15:31 -0700
Re: green stars pnalsing@gmail.com - 2015-10-06 15:58 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-06 23:12 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-06 23:34 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-07 00:49 -0700
Re: green stars The Starmaker <starmaker@ix.netcom.com> - 2015-10-08 21:24 -0700
Re: green stars "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-10-02 13:26 -0700
Re: green stars "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-10-06 09:58 -0700
Re: green stars Sam Wormley <swormley1@gmail.com> - 2015-10-04 07:53 -0500
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