Surface tension is in equilibrium.
The shape of a sphere has the highest volume to surface area to radius ratio. This shape is the lowest energy level a volume of liquid can have.
Deforming it into another shape would involve an increase in surface area and an increase in the average radius.
The surface tension of water is such that it will attempt to create the smallest surface area possible. That will always be a sphere.
Water Sphere was created in 2005.
No. In fact it is always finite - unless the sphere itself is infinite.
The water sphere of earth is the HYDROSPHERE.
If the sphere of water remains a sphere as it leaks, and the water leaving the boundary of the sphere are no longer considered part of the sphere, the center of gravity will be the center of sphere. If the sphere does not have to remain a sphere as it leaks, if it was in a spherical container, the center of gravity would move downward from center, approaching the source of leakage.
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No
always a circle.
yes the moon is always a sphere it just looks different as it rotates around the earth and how the sun shines on it
If you combine hydrosphere, a sphere of water, with cryosphere, a cold sphere, you get a sphere of ice.
It will be a point if the plane is tangent to the sphere.
A sphere's height will always be the same as its diameter.