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Why is Space between the earth and the sun cold?

 
Anonymous Coward
User ID: 955371
Canada
04/29/2010 08:47 PM
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Why is Space between the earth and the sun cold?
If I'm standing 15 feet from a fireplace the space between me and the fireplace isn't cold, in fact, its hotter then where I'm standing. So why is the Space between the earth and the sun cold?
Internet Person
Yeah...yeah and thrice yeah

User ID: 737504
United Kingdom
04/29/2010 08:48 PM

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Re: Why is Space between the earth and the sun cold?
It's not.
John 3:16 is Right
Anonymous Coward
User ID: 729515
United States
04/29/2010 08:49 PM
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Re: Why is Space between the earth and the sun cold?
air conditioning.
Anonymous Coward (OP)
User ID: 955371
Canada
04/29/2010 09:00 PM
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Re: Why is Space between the earth and the sun cold?
The higher up you fly the colder it gets.

Even when you're flying during the day time.

Shouldn't it get hotter and hotter and hotter?
Anonymous Coward
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United Kingdom
04/29/2010 09:01 PM
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Re: Why is Space between the earth and the sun cold?
kmt
Anonymous Coward
User ID: 917907
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04/29/2010 09:01 PM
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Re: Why is Space between the earth and the sun cold?
thats a good fycking question, i'm stumped
Anonymous Coward
User ID: 946424
United States
04/29/2010 09:03 PM
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Re: Why is Space between the earth and the sun cold?
If I'm standing 15 feet from a fireplace the space between me and the fireplace isn't cold, in fact, its hotter then where I'm standing. So why is the Space between the earth and the sun cold?
 Quoting: Anonymous Coward 955371



Because there's nothing to absorb or reflect the heat.

Space is nearly empty.
Anonymous Coward
User ID: 946424
United States
04/29/2010 09:03 PM
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Re: Why is Space between the earth and the sun cold?
What's the square root of 69?
Anonymous Coward
User ID: 946424
United States
04/29/2010 09:03 PM
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Re: Why is Space between the earth and the sun cold?
'Eh, ate-something.
Anonymous Coward
User ID: 842974
United States
04/29/2010 09:04 PM
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Re: Why is Space between the earth and the sun cold?
sun radiates heat...there is nothing in open space
to heat....stand outside in the cold..let the sunshine
hit you and you feel heat...radiant heat....radiant
heat needs an object to hit to warm it...sorry this
is as simple as I know how to explain.
Anonymous Coward
User ID: 882664
United States
04/29/2010 09:05 PM
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Re: Why is Space between the earth and the sun cold?
There can only be heat when matter is present to be heated. Space is a vacuum. No matter, no heat.
Anonymous Coward
User ID: 956625
Australia
04/29/2010 09:05 PM
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Re: Why is Space between the earth and the sun cold?
Vacuum
Internet Person
Yeah...yeah and thrice yeah

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United Kingdom
04/29/2010 09:05 PM

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Re: Why is Space between the earth and the sun cold?
It's not cold. There's just no atmosphere to absorb and hold the heat, but you'll get frazzled by the radiation.

Unless you're on the opposite side of the earth, where it's dark and the radiation is blocked. Then you'll freeze.
John 3:16 is Right
Mranger

User ID: 948590
United Kingdom
04/29/2010 09:06 PM
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Re: Why is Space between the earth and the sun cold?
If I'm standing 15 feet from a fireplace the space between me and the fireplace isn't cold, in fact, its hotter then where I'm standing. So why is the Space between the earth and the sun cold?
 Quoting: Anonymous Coward 955371



Because space is a vacuum and there is nothing to heat up.
Anonymous Coward
User ID: 729515
United States
04/29/2010 09:06 PM
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Re: Why is Space between the earth and the sun cold?
It's not cold. There's just no atmosphere to absorb and hold the heat, but you'll get frazzled by the radiation.

Unless you're on the opposite side of the earth, where it's dark and the radiation is blocked. Then you'll freeze.
 Quoting: Internet Person

shhhhh...it's air conditioning...
Anonymous Coward (OP)
User ID: 955371
Canada
04/29/2010 09:06 PM
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Re: Why is Space between the earth and the sun cold?
If I'm standing 15 feet from a fireplace the space between me and the fireplace isn't cold, in fact, its hotter then where I'm standing. So why is the Space between the earth and the sun cold?



Because there's nothing to absorb or reflect the heat.

Space is nearly empty.
 Quoting: Anonymous Coward 946424


Well this makes no sense at all, none whatsoever.

How then does the heat travel to reach the earth?

Surely the heat is still hot even though its traveling through empty space?

Why isn't this heat felt in Space?
Mranger

User ID: 948590
United Kingdom
04/29/2010 09:08 PM
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Re: Why is Space between the earth and the sun cold?
If I'm standing 15 feet from a fireplace the space between me and the fireplace isn't cold, in fact, its hotter then where I'm standing. So why is the Space between the earth and the sun cold?



Because space is a vacuum and there is nothing to heat up.
 Quoting: Mranger



this is kind of like that question if a tree falls down and no one is there does it make a sound?
Mranger

User ID: 948590
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04/29/2010 09:08 PM
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Re: Why is Space between the earth and the sun cold?
If I'm standing 15 feet from a fireplace the space between me and the fireplace isn't cold, in fact, its hotter then where I'm standing. So why is the Space between the earth and the sun cold?



Because space is a vacuum and there is nothing to heat up.
 Quoting: Mranger



this is kind of like that question if a tree falls down and no one is there does it make a sound?
Anonymous Coward (OP)
User ID: 955371
Canada
04/29/2010 09:09 PM
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Re: Why is Space between the earth and the sun cold?
sun radiates heat...there is nothing in open space
to heat....stand outside in the cold..let the sunshine
hit you and you feel heat...radiant heat....radiant
heat needs an object to hit to warm it...sorry this
is as simple as I know how to explain.
 Quoting: Anonymous Coward 842974

Sorry but if you analyze what you wrote, you will realize that its completely unscientific.

How does the sun's heat travel to reach the earth?

The heat is still hot even though its traveling through empty space?

Why isn't this heat felt in Space?
medfield

User ID: 949202
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04/29/2010 09:10 PM
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Re: Why is Space between the earth and the sun cold?
takes me back to middle school....you will find your answer here

[link to coolcosmos.ipac.caltech.edu]
JUST REMEMBER: the most efficient way to troll is to provide an infinitely appealing claim with an infinitely small fact

and those facts are the difference between science and sensationalism
Anonymous Coward
User ID: 955195
Australia
04/29/2010 09:13 PM
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Re: Why is Space between the earth and the sun cold?
Surely the heat is still hot even though its traveling through empty space?

Why isn't this heat felt in Space?
 Quoting: Anonymous Coward 955371


The heat is felt. That's why spaceships have air conditioning.
Anonymous Coward (OP)
User ID: 955371
Canada
04/29/2010 09:14 PM
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Re: Why is Space between the earth and the sun cold?
It's not cold. There's just no atmosphere to absorb and hold the heat, but you'll get frazzled by the radiation.

Unless you're on the opposite side of the earth, where it's dark and the radiation is blocked. Then you'll freeze.
 Quoting: Internet Person

Because space is a vacuum and there is nothing to heat up.
 Quoting: Mranger

Thank-you for both your posts, but alas, they are empty of logic.

Think about what you wrote.

The sun's heat travels through Space to reach the earth, and even though its traveling through empty space, its heat is still hot to reach the earth.

This being said when a something (astronaut or spacecraft) is in Space between the earth and the sun that heat should be more intense.

If you don't know the answer do not be ashamed.
Anonymous Coward
User ID: 781230
United States
04/29/2010 09:15 PM
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Re: Why is Space between the earth and the sun cold?
If I'm standing 15 feet from a fireplace the space between me and the fireplace isn't cold, in fact, its hotter then where I'm standing. So why is the Space between the earth and the sun cold?
 Quoting: Anonymous Coward 955371


If it is cold, and I can't say for sure if this is true or not, then it is because it is not hot.
Anonymous Coward
User ID: 956659
United Kingdom
04/29/2010 09:15 PM
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Re: Why is Space between the earth and the sun cold?
This is a good question OP.

Are you suggesting, with this line of questioning, that we've been fed a bunch of prevarications about what is up above?
Anonymous Coward (OP)
User ID: 955371
Canada
04/29/2010 09:16 PM
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Re: Why is Space between the earth and the sun cold?
Why isn't this heat felt in Space?


The heat is felt. That's why spaceships have air conditioning.
 Quoting: Anonymous Coward 955195

Its not. The proof is found when flying higher up it gets colder. Even when you're flying during the day-time.

It should get hotter and hotter and hotter.
Ice
ice

User ID: 937449
United States
04/29/2010 09:16 PM

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Re: Why is Space between the earth and the sun cold?
Vacuum
 Quoting: Anonymous Coward 956625



nothing to hold heat

nothing to reflect heat

nothing to transfer heat
Chill - Enjoy - Relax
Internet Person
Yeah...yeah and thrice yeah

User ID: 737504
United Kingdom
04/29/2010 09:16 PM

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Re: Why is Space between the earth and the sun cold?
This being said when a something (astronaut or spacecraft) is in Space between the earth and the sun that heat should be more intense.

If you don't know the answer do not be ashamed.
 Quoting: Anonymous Coward 955371


It is more intense. Try standing out in it for a few minutes.
John 3:16 is Right
Anonymous Coward
User ID: 956665
Ireland
04/29/2010 09:17 PM
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Re: Why is Space between the earth and the sun cold?
It's not cold. There's just no atmosphere to absorb and hold the heat, but you'll get frazzled by the radiation.

Unless you're on the opposite side of the earth, where it's dark and the radiation is blocked. Then you'll freeze.
 Quoting: Internet Person


this
Anonymous Coward (OP)
User ID: 955371
Canada
04/29/2010 09:18 PM
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Re: Why is Space between the earth and the sun cold?
This is a good question OP.

Are you suggesting, with this line of questioning, that we've been fed a bunch of prevarications about what is up above?
 Quoting: Anonymous Coward 956659

Thank-you, and yes, yes I am.
Anonymous Coward
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Malaysia
04/29/2010 09:18 PM
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Re: Why is Space between the earth and the sun cold?
This is a good question OP.

Are you suggesting, with this line of questioning, that we've been fed a bunch of prevarications about what is up above?
 Quoting: Anonymous Coward 956659



ohyeah
Ice
ice

User ID: 937449
United States
04/29/2010 09:21 PM

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Re: Why is Space between the earth and the sun cold?
There are three ways to transfer heat: conduction, convection and radiation. The vacuum of space prevents conduction (which requires a solid or fluid) and convection (which requires a fluid). It does not prevent radiative heat transfer though. The Earth receives it's heat from the Sun by radiation, some of which is then transferred by conduction and convection to the atmosphere. The atmosphere also picks up heat directly from radiation. You can feel heat directly from the Sun on a sunny day.

Astronauts and spacecraft have a big problem with heat, since there is no atmosphere to disperse and absorb the sunlight. They bake in unfiltered solar radiation, at over 200°C. Then, in the shadow of the Earth or Moon, they freeze at below -150°C because there is no atmosphere to trap the heat. Once they are out of the sunlight, the temperature drops in seconds as the equipment radiates its heat away.

In theory, you would need to be infinitely far away from the sun to not feel any heat from it. In practice, you would need to be about 12 times the distance between the Earth and Sun to not notice the sun's heat. That's about 1.8 million kilometers, which is actually somewhere between Saturn and Uranus. So if you're at least as close to the Sun as Saturn is, you'll feel heat from it. If you're further out than Saturn, you've been abducted by aliens and solar heat is the least of your worries.
Chill - Enjoy - Relax