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Let’s talk a little further out. As you travel away from the Sun, the temperature of an object in space plummets.
The surface temperature of Pluto can get as low as -240 Celsius, just 33 degrees above absolute zero.
Clouds of gas and dust between the stars within our galaxy are only 10 to 20 degrees above absolute zero.
And if you travel out far away from everything in the Universe, you can never get lower than a minimum of just 2.7 Kelvin or -270.45 Celsius.
This is the temperature of the cosmic microwave background radiation, which permeates the entire Universe.
In space? It’s as cold as it can get.
However, what is the ultimate source of cold?
originally posted by: OccamsRazor04
Like asking what the source of darkness is perhaps. Darkness doesn't need a source, light does. Cold is the absence of heat, so you don't need a source.
originally posted by: SirHardHarry
a reply to: Willtell
Why is it cold? What is cold?
The state of being without heat.
that speculate that black holes may be emitting the cold.
That’s like saying hate is a lack of love.
We cannot see a source for cold!
why is it so cold? Enough where even atoms don’t work!