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Posted by Lady Rose on 01-30-2002 05:45 PM:

Whee!

Read this Ace

You see that this was considered as Heretic study and church fear that they would lose their power, so they send few concistator's on round to end this Heretic.

__________________
"Losing your temper is sign of worries or panic"
-Shogun Tokugawa

Aku. Soku. Zan.
-The wolves of Mibu, Shinsen gumi

Creator of [URL=http://www.hot.ee/miburo1]Tale of EAS Janus[/URL] campaign
Also leader of [URL=http://www.hot.ee/honorofomega/]Honor of Omega[/URL] campaign
FREDer and general errant boy of mighty [URL=http://http://www.3dactionplanet.com/hlp/hosted/mindgames/]Mind Games[/URL], which power no-one can escape. There is always a first time.


Posted by Lady Rose on 01-30-2002 05:45 PM:

Whee!

Read this Ace

You see that this was considered as Heretic study and church fear that they would lose their power, so they send few concistator's on round to end this Heretic.

__________________
"Losing your temper is sign of worries or panic"
-Shogun Tokugawa

Aku. Soku. Zan.
-The wolves of Mibu, Shinsen gumi

Creator of [URL=http://www.hot.ee/miburo1]Tale of EAS Janus[/URL] campaign
Also leader of [URL=http://www.hot.ee/honorofomega/]Honor of Omega[/URL] campaign
FREDer and general errant boy of mighty [URL=http://http://www.3dactionplanet.com/hlp/hosted/mindgames/]Mind Games[/URL], which power no-one can escape. There is always a first time.


Posted by Boron Shark on 01-30-2002 07:27 PM:

Starts change colour throughout their lifetime

Blue Supergiant
Blue-white Giant
White
Yellow-white
Yellow (The Sun)
Orange-yellow
Orange Giant
Red Giant

then either

Red Supergiant - SUPERNOVA - Neutron Star - maybe Black Hole

or

Red Giant - NOVA - Red Dwarf - Black Dwarf

This is probably not entirely correct but although there is no green classifiaction, it is accepted that soem stars do APPEAR green when in either the Blue-White or White stage. AS for atmospheric refraction, this is also correct. During a Terran sunrise, the sun does appear green for a few seconds given perfect conditions.


Posted by Boron Shark on 01-30-2002 07:27 PM:

Starts change colour throughout their lifetime

Blue Supergiant
Blue-white Giant
White
Yellow-white
Yellow (The Sun)
Orange-yellow
Orange Giant
Red Giant

then either

Red Supergiant - SUPERNOVA - Neutron Star - maybe Black Hole

or

Red Giant - NOVA - Red Dwarf - Black Dwarf

This is probably not entirely correct but although there is no green classifiaction, it is accepted that soem stars do APPEAR green when in either the Blue-White or White stage. AS for atmospheric refraction, this is also correct. During a Terran sunrise, the sun does appear green for a few seconds given perfect conditions.


Posted by CptWhite on 01-30-2002 08:29 PM:

i think boron is referring to this:

http://antwrp.gsfc.nasa.gov/apod/ap020109.html

__________________
[url=http://freespace.volitionwatch.com/babylon]The Babylon Project[/url]: Currently designing nebula / planets and adding smoothing in all the right places ;)

[url=http://www.b5mods.com]Great Wars - Homeworld[/url]


Posted by CptWhite on 01-30-2002 08:29 PM:

i think boron is referring to this:

http://antwrp.gsfc.nasa.gov/apod/ap020109.html

__________________
[url=http://freespace.volitionwatch.com/babylon]The Babylon Project[/url]: Currently designing nebula / planets and adding smoothing in all the right places ;)

[url=http://www.b5mods.com]Great Wars - Homeworld[/url]


Posted by Kazan on 01-30-2002 08:33 PM:

Know what you're talking about before you post

A star's color is dependant on it's temperature - all colors through the spectrum are possible - but green just doesbn't happen for some reason.

__________________
"Why climb it?" - "Because It's there."
-----------------
[URL=http://alliance.sourceforge.net]Alliance Productions[/URL]


Posted by Kazan on 01-30-2002 08:33 PM:

Know what you're talking about before you post

A star's color is dependant on it's temperature - all colors through the spectrum are possible - but green just doesbn't happen for some reason.

__________________
"Why climb it?" - "Because It's there."
-----------------
[URL=http://alliance.sourceforge.net]Alliance Productions[/URL]


Posted by NegspectahDek on 01-30-2002 09:48 PM:

quote:
Originally posted by Prophet
Many years ago ewerybody knew, that the Earth was flat...

Not so many years ago ewerybody knew, that the Earth was the center of the universe...




umm Europeans thought the earth was flat. OTHER people on Earth have known that the earth was round since the Egyptians figured it out. People kill me. When did Europe become everybody?


Posted by NegspectahDek on 01-30-2002 09:48 PM:

quote:
Originally posted by Prophet
Many years ago ewerybody knew, that the Earth was flat...

Not so many years ago ewerybody knew, that the Earth was the center of the universe...




umm Europeans thought the earth was flat. OTHER people on Earth have known that the earth was round since the Egyptians figured it out. People kill me. When did Europe become everybody?


Posted by ivanenski on 01-31-2002 01:49 AM:

Now to make things even more confusing. When using the temperature of the suns photosphere we can calculate at what wavelength in the visible spectrum of light that the sun puts out most it's energy. Oddly enough that wavelength lies in the "lime green" area of the spectrum. So the suns actual color, or the color most of its energy is put out in, is lime green. Only reason it appears white is because it also puts out energy in all the colors of the visible spectrum, hence when you have all colors at once you get white. So now why does the sun appear yellow here? Haha, astronomy is so confusing ain't it?


Posted by ivanenski on 01-31-2002 01:49 AM:

Now to make things even more confusing. When using the temperature of the suns photosphere we can calculate at what wavelength in the visible spectrum of light that the sun puts out most it's energy. Oddly enough that wavelength lies in the "lime green" area of the spectrum. So the suns actual color, or the color most of its energy is put out in, is lime green. Only reason it appears white is because it also puts out energy in all the colors of the visible spectrum, hence when you have all colors at once you get white. So now why does the sun appear yellow here? Haha, astronomy is so confusing ain't it?


Posted by Prophet on 01-31-2002 04:08 PM:

quote:
Originally posted by NegspectahDek
umm Europeans thought the earth was flat. OTHER people on Earth have known that the earth was round since the Egyptians figured it out. People kill me. When did Europe become everybody?

It was not to be taken literaly. (Besides, I quoted it from the movie M.I.B.)

__________________
"I'm not saying anything. I didn't say anything then, and I'm not saying anything now." -Dukath

FREDer for [url=http://www.hot.ee/honorofomega/index.htm]Honour of Omega[/url]
Creator of Movements in the Mist campaign

Oh ****! Those idiots did it.


Posted by Prophet on 01-31-2002 04:08 PM:

quote:
Originally posted by NegspectahDek
umm Europeans thought the earth was flat. OTHER people on Earth have known that the earth was round since the Egyptians figured it out. People kill me. When did Europe become everybody?

It was not to be taken literaly. (Besides, I quoted it from the movie M.I.B.)

__________________
"I'm not saying anything. I didn't say anything then, and I'm not saying anything now." -Dukath

FREDer for [url=http://www.hot.ee/honorofomega/index.htm]Honour of Omega[/url]
Creator of Movements in the Mist campaign

Oh ****! Those idiots did it.


Posted by Alphakiller on 01-31-2002 04:41 PM:

And the Europeans knew the world was round by 1492, thanks. The whole "Colombus knew it was round, they didn't!" is bunk. Colombus thought it was just a lot smaller in diameter (ergo circumference) than the rest of Europe did.

__________________
[url="http://www.dopefish.com"]swim...swim...hungry...[/url]


Posted by Alphakiller on 01-31-2002 04:41 PM:

And the Europeans knew the world was round by 1492, thanks. The whole "Colombus knew it was round, they didn't!" is bunk. Colombus thought it was just a lot smaller in diameter (ergo circumference) than the rest of Europe did.

__________________
[url="http://www.dopefish.com"]swim...swim...hungry...[/url]


Posted by nct000335 on 01-31-2002 04:50 PM:

Actually, when you mix all the colours in the spectrum you get black. To test this theory, simple draw a line with a black felt tip pen, the run over it with water, thus all the colours in the spectrum appear......tada.

__________________
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Posted by Triggy on 01-31-2002 07:18 PM:

Not true. If you mix all of the colours in the spectrum you get white. The three light primary colours are red blue and green. If you mix these together in equal proportions you will get white.

For pigments, the three primary colours are yellow, cyan and magenta. Yellow absorbs blue light, reflecting green and red. Cyan absorbs red light, reflecting blue and green. Magenta absorbs green light, reflecting red and blue. If you mix two pigment primary colours you will have two light primary colours absorbed (leaving red blue or green) and if you mix all three pigment primary colours together then you will get black (as you say).

This means that to get green light from a star you need to:
a) Have the star emitting light in the green spectrum.
b) have any non-green light refracted/absorbed so it does not reach the viewer.

Green light is to some degree emitted from most stars (all white/yellow stars) so you only need the appropriate atmosphere to make a star appear green.

__________________
When the final reckoning comes only the damned will be there to see it.


Posted by Triggy on 01-31-2002 07:18 PM:

Not true. If you mix all of the colours in the spectrum you get white. The three light primary colours are red blue and green. If you mix these together in equal proportions you will get white.

For pigments, the three primary colours are yellow, cyan and magenta. Yellow absorbs blue light, reflecting green and red. Cyan absorbs red light, reflecting blue and green. Magenta absorbs green light, reflecting red and blue. If you mix two pigment primary colours you will have two light primary colours absorbed (leaving red blue or green) and if you mix all three pigment primary colours together then you will get black (as you say).

This means that to get green light from a star you need to:
a) Have the star emitting light in the green spectrum.
b) have any non-green light refracted/absorbed so it does not reach the viewer.

Green light is to some degree emitted from most stars (all white/yellow stars) so you only need the appropriate atmosphere to make a star appear green.

__________________
When the final reckoning comes only the damned will be there to see it.


Posted by Starkiller on 01-31-2002 07:32 PM:

Actually, both of you are right.
If you mix light, you get white...
But if you mix paint (all colours) you get black...

__________________
"Are those Drakh ?" -Navigator
"They're either Drakh or the weirdest pizza deliverytrucks I've ever seen" -capt. Anderson

A Call To Arms


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