Question

A rocky or gaseous mass that revolves around a star

Answer 1

A rocky or gaseous mass that revolves around a star is hydrogen which is in the form of Matter

Answer 2

A rocky or gaseous mass that revolves around a star is called a planet.

• A planet is a celestial body moving in an elliptical orbit around a star.
• To be a planet, an object must be massive enough for gravity to have squeezed it into a spherical, or round, shape.
• A planet is neither a star nor its remnant.
• In our solar system (the Milky Way), there are two types of planets: terrestrial planets and gas giants.
• A star is any massive self-luminous celestial body of gas that shines with radiation derived from its internal energy sources.
• The nearest star to Earth is the Sun.
• There are seven main types of stars: O, B, A, F, G, K, and M.

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