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What Object spherical in shape orbits the sun and does not clear its own orbit of smaller debris?
A dwarf planet is spherical in shape and orbits the sun without clearing its orbit of smaller debris. Examples of dwarf planets are Pluto and Eris.
Does each planet have to rotate or have wind to become round?
The round (spherical) shape of a planet comes about through the force of gravity, not through wind, but the rotation does have an effect on its shape. Mass is related to gravity, the more massive an object is the bigger the force of gravity at its surface. If an object is around 700-1000km in diameter (roughly) then it will have enough gravity for it to shape itself into a ball shape, overcoming the internal forces that would otherwise give it an irregular shape. A object (like a moon, dwarf planet or planet) has to be large enough and massive enough to 'pull' itself into a spherical shape. The spin of the object may cause the spherical shape to become squashed, if it is fast enough, as the centripetal forces at the equator will stretch it out somewhat.
What role does gravity play in a dwarf planet?
It makes it spherical.
State four requirements needed to be considered a planet?
To be considered a planet, an object must orbit the Sun, be spherical in shape due to its gravity, and have cleared its orbit of other debris. It should also not be a satellite of another object.
What size and shape are the Eris planet?
Eris is a spherical object that is 2326 kilometers across on average, which makes it slightly smaller than Pluto.
Does a planet have to be over a certain mass to be considered as a planet?
Yes, but it varies. One of the requirements for an object to be defined as a planet is for it to have reached hydrostatic equilibrium, meaning it is massive enough for it's gravity to force it into a spherical shape.
A spherical object made of rock or gas that orbits a star?
Such an object is called a planet. We live on the planet Earth.
Why planets are round in shape?
Gravity. It pulls the various parts of the object toward the center. Gravity increases with mass. Extremely massive objects, like planets and the larger asteroids, have enough gravity that the object must assume a roughly spherical shape.
What is a small spherical object that orbiting the sun?
A small spherical object orbiting the sun would be called a planet, asteroid, or comet, depending on its characteristics and orbit.
What makes an object a planet?
To be considered a planet, an object must orbit the sun, be spherical in shape due to its own gravity, and have cleared its orbit of other debris. This means it dominates its orbital path and is not a satellite of another celestial body.
Why is the weight of an object on earth different from its weight on the moon?
Because earth is a larger planet than the moon, it has a stronger gravity. Bigger the planet > Stronger the gravity. That is the rule. Since our moon is a much smaller planet, it has weak gravity, and so the object is not being pulled down as hard, so it reduces the overall mass.
How do you put spherical in a sentence?
The spherical ball rolled down the hill into the street.
