A sphere.
Round object
One would usually refer to this object as a 'moon' or 'satellite'.
A cylinder is a long round object with flat circular ends.
[object Object]
An object or picture can be made round. It can be done in picture tools after selecting it.
[object Object]
Yes, "round" is a common noun when it refers to a shape or object, such as a round ball or round of applause. In this context, it describes a general category rather than a specific name. However, "round" can also function as an adjective or a verb, depending on its use in a sentence.
A round object with flat, circular ends is a cylinder. It is shaped like a can of vegetables.
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The object is orbiting round the other object.
A Sphere is an the name for a shape of a 3D object that is like a ball or a globe. If the shape is 2D then it is a circle
round trading posts