Astronomical is an adjective that has a couple meanings. The first meaning of astronomical is relating to astronomy, and the second meaning of astronomical is extremely large.
The earth is round
Comets are kind of round. They are like asteroid like bodies. Think about how they look
Study of celestial bodies or astronomical objectsadditional and attempting to predict the future or other outcomes from this data. Not concepts supported by science.
Large bodies of rock or gas that revolve around a star are planets.
Gravity.
what astronomical bodies would most likely be the largest?
It's a slightly flattened (at the poles) spheroid, the last time we checked. When astronomical bodies get large enough, they 'collapse', or shape themselves under the force of their own gravity. Thought experiment: imagine an object made of the same materials as earth and just as large, but it is a rod 100 km in diameter. What do you suppose would happen?
all parts of the planet pulled each other toward the center of the mass by gravity
A combination of gravity (pulling inward in all directions) and centrifugal force from rotation (pulling outward at the equator) produces a spheroidal shape.
They are astronomical bodies.
Astronomical is an adjective that has a couple meanings. The first meaning of astronomical is relating to astronomy, and the second meaning of astronomical is extremely large.
Cosmic dust and other astronomical bodies.
The earth is round
Matter of all types have gravity, which causes it to attract to each other. The most efficient way for all this matter to congregate is the sphere. As they consolidate, they form the shape. As they compress, temperatures in the center of the mass start to go up and if it hits the proper point, it can ignite and become a star.
An astronomical unit is the average distance that separates two bodies in space. The two objects linked to an astronomical unit is the sun and the earth.
Earth and sun.