What's the coldest temperature in the universe?

Physicists acknowledge they can never reach the coldest conceivable temperature, known as absolute zero and long ago calculated to be minus 459.67°F.
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How cold can it get in the universe?

Most people are pretty familiar with absolute zero, it's -273.15 degrees Celsius (-459.67 degrees Fahrenheit), and it's the lowest possible temperature that can ever be achieved, according to the laws of physics as we know them.
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Does absolute zero exist in space?

Nothing in the universe — or in a lab — has ever reached absolute zero as far as we know. Even space has a background temperature of 2.7 kelvins. But we do now have a precise number for it: -459.67 Fahrenheit, or -273.15 degrees Celsius, both of which equal 0 kelvin.
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Can we achieve 0 Kelvin?

At the physically impossible-to-reach temperature of zero kelvin, or minus 459.67 degrees Fahrenheit (minus 273.15 degrees Celsius), atoms would stop moving. As such, nothing can be colder than absolute zero on the Kelvin scale.
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What's the closest we've gotten to absolute zero?

Answer 2: The closest to absolute zero anyone has reached is around 150 nano Kelvin. The group ended up receiving the 1997 Nobel Prize in Physics for it. They got the prize because they ended up proving a theory called Bose-Einstein Condensation which had been made decades before it was proven.
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The Most Extreme Temperatures in the Universe



How hot is a Kalvin?

As such, in the Kelvin scale, water freezes at 273.15 K (0 C) and boils at 373.15 K, or 100 C. A single kelvin is referred to as a unit, rather than a degree, and is equal to a single degree on the Celsius scale. The Kelvin scale is mainly used by scientists.
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How cold is the moon?

The average temperature on the Moon (at the equator and mid latitudes) varies from -298 degrees Fahrenheit (-183 degrees Celsius), at night, to 224 degrees Fahrenheit (106 degrees Celsius) during the day.
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What is the hottest thing in the universe?

The hottest thing in the Universe: Supernova

The temperatures at the core during the explosion soar up to 100 billion degrees Celsius, 6000 times the temperature of the Sun's core.
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What is the temperature inside a black hole?

A black hole is no place to stay on holiday. Black holes are freezing cold on the inside, but incredibly hot just outside. The internal temperature of a black hole with the mass of our Sun is around one-millionth of a degree above absolute zero.
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Would you freeze in space?

Acute exposure to the vacuum of space: No, you won't freeze (or explode) One common misconception is that outer space is cold, but in truth, space itself has no temperature. In thermodynamic terms, temperature is a function of heat energy in a given amount of matter, and space by definition has no mass.
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How cold is deep space?

If atoms come to a complete stop, they are at absolute zero. Space is just above that, at an average temperature of 2.7 Kelvin (about minus 455 degrees Fahrenheit).
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How cold is space in C?

As you probably know, space is already very, very cold — roughly 2.7 Kelvin (-270.45 Celsius, -454.81 Fahrenheit). This is mostly due to a lack of atmosphere and the vacuum-like nature of space — with very few molecules to energetically bounce around, there can be no heat.
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Does time stop in a black hole?

Time does stop at the event horizon of a black hole, but only as seen by someone outside the black hole. This is because any physical signal will get infinitely redshifted at the event horizon, thus never reaching the outside observer. Someone falling into a black hole, however, would not see time stop.
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Can a wormhole exist?

In the early days of research on black holes, before they even had that name, physicists did not yet know if these bizarre objects existed in the real world.
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How hot is Hawking radiation?

The Hawking radiation from such black holes is minuscule. The Hawking temperature of a 30 solar mass black hole is a tiny 2×10−9Kelvin 2 × 10 − 9 Kelvin , and its Hawking luminosity a miserable 10−31Watts 10 − 31 Watts .
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Is lava hotter than the Sun?

Lava is indeed very hot, reaching temperatures of 2,200° F or more. But even lava can't hold a candle to the sun! At its surface (called the "photosphere"), the sun's temperature is a whopping 10,000° F! That's about five times hotter than the hottest lava on Earth.
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Is lightning hotter than lava?

Lightning because lightning is 70 000 degrees Fahrenheit. Lava is just 2 240 degrees Fahrenheit. So lightning is hotter than lava.
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Is anything hotter than lightning?

A bolt of lightning is 5 times hotter than the surface of the sun. One thing hotter is when gold atoms are smashed together by the Large Hadron Collider, but only for a split second. Another thing hotter is a supernova.
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How hot is Jupiter?

It is estimated that the temperature of the cloud tops are about -280 degrees F. Overall, Jupiter's average temperature is -238 degrees F.
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How cold is Jupiter?

The temperature in the clouds of Jupiter is about minus 145 degrees Celsius (minus 234 degrees Fahrenheit).
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What color temp is sunlight?

Sunlight in its pure form has a kelvin temperature of around 5,000 degrees kelvin and a color rendering index of 100.
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What color is 7000k?

On the scale, 7000k looks abnormally blue to seen in the real world. However, that color measurement is indeed the color of daylight when the sunlight's waves are dispersed through a heavy set of cloud cover. A blue day isn't just a passing phase.
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How long is 1 minute in a black hole?

Black hole news: Standing on edge of black hole would cause 700 years to pass in 1 minute | Science | News | Express.co.uk.
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