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In equilibrium.
LIFE on Earth as we know it.
The sun is kept in equilibrium by the balancing forces of the outward pressure from the energy of the nuclear reaction of hydrogen into helium and the inward force of gravity. This state is called Main Sequence. However, the sun is not in perfect equilibrium because as the sun's core of hydrogen is depleted, the next layer out of hydrogen will begin undergoing a nuclear reaction, causing the sun to expand.
gravity and radiation pressure from thermonuclear fusion.
No. Earth's core temperature is determined by processes within the Earth.
Equilibrium.
because the earth and the sun is not in the thermal contact with each other that is why the earth & the sun is not in thermal equilibrium.
because the earth and the sun is not in the thermal contact with each other that is why the earth & the sun is not in thermal equilibrium.
equilibrium
Genetic equilibrium
To be in thermal equilibrium, it would have to have the same temperature. (It isn't.)
genetic drift
In equilibrium.
Buford D. Smith has written: 'Design of equilibrium stage processes' -- subject(s): Chemical equilibrium
Cells strive to keep an internal equilibrium by adjusting their processes. This equilibrium is called homeostasis. Please see the related links for details.
While the earth and the sun are roughly at steady state (the output of the sun stays fairly constant and the earth absorbs the energy from it at a fairly constant rate) they are not in equilibrium. To be at equilibrium, they would have to be sending out and receiving equal amounts of energy and mass. The sun sends out far more energy than the earth as well as dumping a lot more mass, in the form of "solar winds" than the earth ever does - thus they are not in equilibrium.
While the earth and the sun are roughly at steady state (the output of the sun stays fairly constant and the earth absorbs the energy from it at a fairly constant rate) they are not in equilibrium. To be at equilibrium, they would have to be sending out and receiving equal amounts of energy and mass. The sun sends out far more energy than the earth as well as dumping a lot more mass, in the form of "solar winds" than the earth ever does - thus they are not in equilibrium.