If an atom could reach absolute zero, its temperature would be precisely zero, which implies an exact speed of zero. … When that happens, all of the atoms at that temperature form one big “super-atom,” says Mr. Ramberg. This is called a Bose-Einstein condensate.
Physicists acknowledge they can never reach the coldest conceivable temperature, known as absolute zero and long ago calculated to be minus 459.67°F.
Since to date, even the best scientists with the best laboratories have not produced absolute zero in a laboratory setting, so therefore we cannot calibrate our temperature at absolute zero.
This takes place very close to absolute zero (-273.15 oC), which is the temperature where all the classical motion of atoms ceases. This even applies to light particles, the photons: at extremely low temperatures, photons can coalesce to turn light into the condensate, but they vanish in cold.
No. The electrons are still moving in a metal at absolute zero; in fact, some of them are moving at relativistic velocities, because there are no lower energy states for them to occupy. You need to understand what temperature actually means.
We can never reach the speed of light. Or, more accurately, we can never reach the speed of light in a vacuum. That is, the ultimate cosmic speed limit, of 299,792,458 m/s is unattainable for massive particles, and simultaneously is the speed that all massless particles must travel at.
Hot things move quickly, cold things very slowly. 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).
protoplanetary Boomerang Nebula
The protoplanetary Boomerang Nebula, located 5,000 light-years from Earth, holds the record for coldest known object in the Universe. Outflows of gas, streaming out from the central dying star, reach temperatures below -270 degrees Celsius.Jun 17, 2017
At absolute zero temperature 0 K, all motions cease. It’s a complete still. The assiduous atoms in our body stop moving and hence all our body processes that keep us alive will stop. But even before that, since blood is mostly water, it will freeze near 0 celcius or 273.15 K.
On the absolute temperature scale, which is used by physicists and is also called the Kelvin scale, it is not possible to go below zero – at least not in the sense of getting colder than zero kelvin. … Physicists have now created an atomic gas in the laboratory that nonetheless has negative Kelvin values.
Why do we not just calibrate the gas thermometer at absolute zero ? … If the pressure in the gas tank of the dipper was set very high, the Ideal Gas law breaks down.
For most gases there is a linear relationship between temperature and pressure (see gas laws), i.e., gases contract indefinitely as the temperature is decreased. Theoretically, at absolute zero the volume of an ideal gas would be zero and all molecular motion would cease.
If the electrons have no (or effectively zero) kinetic energy the movement of the electrons that creates the electron density will not exist. This means that there is nothing to hold the molecule together and the molecules will turn to a subatomic “dust”.
The temperatures at the core during the explosion soar up to 100 billion degrees Celsius, 6000 times the temperature of the Sun’s core.
As such, it seems that the highest possible known temperature is 142 nonillion kelvins (1032 K.). This is the highest temperature that we know of according to the standard model of particle physics, which is the physics that underlies and governs our universe.
It was Feb. 9, 1934 when Michigan’s all-time coldest recorded temperature of -51°F was recorded 11 miles northeast of town. The National Weather Service in Gaylord notes unofficial colder temperatures have been observed across portions of Western Upper Peninsula, but the -51 degrees is the official record.Feb 9, 2021
Vibrational energy of atoms and molecules is the source of heat energy. Total cessation of motion is “absolute zero.” Our body is made of cells. So if somehow atoms inside gets cold enough (absolute zero) temperature it will be so cold that the skin will freeze.
“None of the physically conceivable warp drives can accelerate to speeds faster than light,” Bobrick says. That is because you would require matter capable of being ejected at speeds faster than light—but no known particles can travel that fast.
Wormholes are consistent with the general theory of relativity, but whether wormholes actually exist remains to be seen. … Theoretically, a wormhole might connect extremely long distances such as a billion light years, or short distances such as a few meters, or different points in time, or even different universes.
there are no hours in space. an hour is a not too convenient unit that is 1/24th of one revolution by the earth on its axis of rotation. Earth gravity is not that strong so it should only dilate time by a little bit.
Because space is a near-perfect vacuum — meaning it has exceedingly few particles — there’s virtually nothing in the space between stars and planets to scatter light to our eyes. And with no light reaching the eyes, they see black.
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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