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Diaphanous
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why does the proximity to our sun affect the temperature on planets
#10246470 - 04/27/09 10:54 PM (14 years, 10 months ago) |
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suppose i shoot a laser beam in space, that laser is going to continue indefinitely until it hits something correct. So if there is nothing in its path 1 billion light years in front of it, then when it reaches 1 billion lightyears away it will still be at the same intensity right. so why does heat decrease as its flying through space. is it because dark matter is absorbing the heat or something. my question is, how come earth is so much hotter than mars, is it simply because earth gets hit by more rays since its closer, or do the sun rays cool as it flys through space?
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Doc_T
Random Dude
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Re: why does the proximity to our sun affect the temperature on planets [Re: Diaphanous]
#10246555 - 04/27/09 11:04 PM (14 years, 10 months ago) |
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Intensity drops off as the square of the distance.
And, the sun isn't a laser.
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Diaphanous
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Re: why does the proximity to our sun affect the temperature on planets [Re: Doc_T]
#10246590 - 04/27/09 11:08 PM (14 years, 10 months ago) |
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well the sun does emmit quite a lot of radiation that amplifies light just like a laser
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ozsultan
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Re: why does the proximity to our sun affect the temperature on planets [Re: Doc_T]
#10246591 - 04/27/09 11:08 PM (14 years, 10 months ago) |
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Earth!
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Cubie
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Re: why does the proximity to our sun affect the temperature on planets [Re: Doc_T]
#10246610 - 04/27/09 11:11 PM (14 years, 10 months ago) |
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Quote:
Doc_T said: Intensity drops off as the square of the distance.
And, the sun isn't a laser.
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Ferris
PsychedelicJourneyman
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Re: why does the proximity to our sun affect the temperature on planets [Re: Cubie]
#10246696 - 04/27/09 11:25 PM (14 years, 10 months ago) |
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The distance between rays grows as they move away from a central point. Draw a circle with lines, and then measure the distance at the base, and then at the edges. Viola
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Your Destination
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Re: why does the proximity to our sun affect the temperature on planets [Re: Cubie]
#10246702 - 04/27/09 11:26 PM (14 years, 10 months ago) |
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I'm thinking way back to highschool geography.
I think, that the temperature is largely influenced by the angle our axis is relative to the sun. For example, when the earth is angled so that Canada is further from the sun, the radiation must travel through more of the atmosphere.
Something like that. The intensity drops a lot more inside our atmosphere, but while traveling through space it also loses intensity, hence Pluto being cold.
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WakeboardrB
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Re: why does the proximity to our sun affect the temperature on planets [Re: Diaphanous]
#10246707 - 04/27/09 11:27 PM (14 years, 10 months ago) |
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Quote:
Diaphanous said: well the sun does emmit quite a lot of radiation that amplifies light just like a laser
It's not the same.
Just like an oven is not the same as a laser pointer.
-------------------- Same thing happened to me when I played Neil Armstrong in Moonshot. They found me in an alley in Burbank trying to re-enter the earth's atmosphere in an old refrigerator box.
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Diaphanous
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Re: why does the proximity to our sun affect the temperature on planets [Re: WakeboardrB]
#10246782 - 04/27/09 11:40 PM (14 years, 10 months ago) |
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ovens dont emit light
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Ferris
PsychedelicJourneyman
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Re: why does the proximity to our sun affect the temperature on planets [Re: Diaphanous]
#10246787 - 04/27/09 11:40 PM (14 years, 10 months ago) |
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Quote:
Diaphanous said: ovens dont emit light
They emit heat, which is energy, which is light. It's radiation (light) in convection form
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Diaphanous
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Re: why does the proximity to our sun affect the temperature on planets [Re: Ferris]
#10246810 - 04/27/09 11:43 PM (14 years, 10 months ago) |
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im talking about light amplified by radiation here man
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Ferris
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Re: why does the proximity to our sun affect the temperature on planets [Re: Diaphanous]
#10246825 - 04/27/09 11:46 PM (14 years, 10 months ago) |
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Quote:
Diaphanous said: im talking about light amplified by radiation here man
Light is radiation
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suburbanned
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Re: why does the proximity to our sun affect the temperature on planets [Re: Ferris]
#10246842 - 04/27/09 11:49 PM (14 years, 10 months ago) |
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it is cold in space
heat travels from warm to cold, the more coldness it encounters, the less heat.
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Ferris
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Re: why does the proximity to our sun affect the temperature on planets [Re: suburbanned]
#10246860 - 04/27/09 11:53 PM (14 years, 10 months ago) |
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Quote:
suburbantoker said: it is cold in space
heat travels from warm to cold, the more coldness it encounters, the less heat.
That's only true in an atmosphere
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Grizvok
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Re: why does the proximity to our sun affect the temperature on planets [Re: suburbanned]
#10246869 - 04/27/09 11:54 PM (14 years, 10 months ago) |
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It's because the rays of the sun strike the Earth at a different angle during different times of the year.
During the winter the sun is at an obtuse angle and therefore the rays from the sun are spread out over a larger surface area. During the summer, however; the Sun is pointing down at us at an angle closer to 90³ and therefore the same amount of rays are spread over a smaller surface area. Viola, more heat.
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suburbanned
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Re: why does the proximity to our sun affect the temperature on planets [Re: Ferris]
#10246917 - 04/28/09 12:04 AM (14 years, 10 months ago) |
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yeah and mars doesn't have one (very weak) so.........................
heat can only heat up what is there, not what is not there.
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WakeboardrB
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Re: why does the proximity to our sun affect the temperature on planets [Re: Diaphanous]
#10246925 - 04/28/09 12:07 AM (14 years, 10 months ago) |
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Quote:
Diaphanous said: ovens dont emit light
My oven creates enough light from the coils I could read a book from it.
-------------------- Same thing happened to me when I played Neil Armstrong in Moonshot. They found me in an alley in Burbank trying to re-enter the earth's atmosphere in an old refrigerator box.
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Diaphanous
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Re: why does the proximity to our sun affect the temperature on planets [Re: WakeboardrB]
#10246944 - 04/28/09 12:10 AM (14 years, 10 months ago) |
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you could read a book in a cave
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WakeboardrB
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Re: why does the proximity to our sun affect the temperature on planets [Re: Diaphanous]
#10246956 - 04/28/09 12:13 AM (14 years, 10 months ago) |
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Provided there is enough light, sure.
-------------------- Same thing happened to me when I played Neil Armstrong in Moonshot. They found me in an alley in Burbank trying to re-enter the earth's atmosphere in an old refrigerator box.
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Kada
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Re: why does the proximity to our sun affect the temperature on planets [Re: WakeboardrB]
#10246961 - 04/28/09 12:14 AM (14 years, 10 months ago) |
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The closer to the sun you are, the more condensed radiation is. The further you get from the sun, the more the radiation has to expand in. There is less radiation in the same amount of space than there is further from the sun than closer, therefore planets get different radiation (heat/light) to work with. After that our atmosphere and planet angle effect how hot or cold we are in different areas of the globe.
I'm really stoned right now, so i could have messed that up.
-------------------- ~The Cultivators Motherload~ "I am free, no matter what rules surround me. If I find them tolerable, I tolerate them; if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do." -Robert A. Heinlein "There is no need for temples, no need for complicated philosophies. My brain and my heart are my temples; my philosophy is kindness."-Dalai Lama Live long and prosper.
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