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How cold is it in space?

Updated: 8/10/2023
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9y ago

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In 2003 the Space Ship Challenger recorded a temperature in outerspace of 32 degrees, the temperature water freezes. Little did they know, but upon return the Challengers on-board ice chest was unlatched so skeptics believe the temperature recording was skewed due to the Challengers ice stash floating around in space.

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Skylar Hagenes

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2y ago
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9y ago

Absolute zero.

0 Kelvin

-273C

-460F
Space does not have a temperature, because it is more or less devoid of matter and heat is a phenomenon that only exists in atomic matter. The temperature in space are absolutely zero making it to be very cold.

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11y ago

-- If the sun is shining on you, then you're broiled.

-- If you're anywhere near the Earth, then the Earth is warming you slightly.

-- If you're in nothing but space, nowhere near any planet and shielded from

the sun, then the temperature is about negative 454.3

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14y ago

Adhiraj: The temperature of a black hole is determined by the 'black body radiation temperature' of the radiation which comes from it. (e.g., If something is hot enough to give off bright blue light, it is hotter than something that is merely a dim red hot.)

For black holes the mass of our Sun, the radiation coming from it is so weak and so cool that the temperature is only one ten-millionth of a degree above absolute zero. This is colder than scientists could make things on Earth up until just a few years ago (and the invention of of a way to get things that cold won the Nobel prize this year). Some black holes are thought to weigh a billion times as much as the Sun, and they would be a billion times colder, far colder than what scientists have achieved on Earth.

However, even though these things are very cold, they can be surrounded by extremely hot material. As they pull gas and stars down into their gravity wells, the material rubs against itself at a good fraction of the speed of light. This heats it up to hundreds of millions of degrees. The radiation from this hot, infalling material is what high-energy astronomers study.

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11y ago

-- If the sun is shining on you, then you're broiled.

-- If you're anywhere near the Earth, then the Earth is warming you slightly.

-- If you're in nothing but space, nowhere near any planet and shielded from

the sun, then the temperature is about negative 454.3°F. (-270.5°C, +2.7K)

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7y ago

About 3-4 Kelvin. In Celsius it'd be about -269 degrees, or -452 degrees Fahrenheit.

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12y ago

The coldest temperature in the deep ocean is -4 degrees celcious, but the water doesn't freeze because the pressure is so immense. omg my head

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12y ago

The acceleration disk around the point of singularity (infinite gravity) , temperatures caused by the friction of matter can reach up to 180 million degrees Fahrenheit; emitting x-rays.

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12y ago

-270 Celsius

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