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Is the absolute zero temperature commonly reached at the earths poles?

Nope, never, absolute zero cannot be reached by artificial or natural means.


A delay between earths absorption of solar energy and an increase in temperature makes the warmest part of the day?

The delay in Earth's absorption of solar energy is due to the time it takes for the land and water to heat up. This delay causes the warmest part of the day to occur in the late afternoon, after peak solar radiation has been received. The lag in temperature increase is a result of the Earth's thermal inertia and the redistribution of heat across the planet.


The geothermal is about 25C for every 1km of depth below Earths surface?

Geothermal gradient refers to the increase in temperature with depth below the Earth's surface. On average, the geothermal gradient is about 25-30°C per kilometer. This gradient varies depending on factors like location and geologic conditions.


The sun shines in space as it does on Earth Yet it is freezing cold in space what causes the difference?

To understand the difference between relative temperature in space and on Earth, one must understand what causes temperature. Temperature is the amount of relative heat something has, heat being essentially the movement of energy in something. Earth is warm relative to the surrounding space because Earth represents a comparatively dense collection of matter. Earth is warm because its matter absorbs the energy from the sunlight (not in the sense that plants do for photosynthesis, but in the sense that a sunny beach is hotter in the light than in the shade). Space is just that, relatively empty, with a few particles here and there. There is little matter in space to absorb photons (light) from the sun, so there is little in space to heat up. It is only cold in that because there is nothing, there is no insulation, so anything subjected to space loses heat usually much faster than it gains heat. If space has a "temperature" it is the pervasive background radiation coming from all directions known as the Cosmic Microwave Background, or CMB. This radiation is the "echo" of the Big Bang, the remnant of the hot inflationary origin of our universe. It's only 2.7 degrees kelvin -- 2.7 degrees above absolute zero. A passive object far from any star (between galaxies, say) would reach an equilibrium temperature of about 2.7 K.


What is the distance from earths surface for zero gravity of an object?

Zero gravity does not occur at a specific distance from the Earth's surface. The sensation of weightlessness experienced by objects or astronauts in space is due to being in free fall towards Earth while moving forward with enough velocity to stay in orbit. This can happen at various distances from the Earth's surface, depending on the object's speed and trajectory.