'cause the star is self luminous and the planet is not .
A star is a completely different thing from a planet. In other words no star is a planet.
the sun is a star not a planet
No - a star is a star and a planet is a planet. See related questions.
They both have different planets. They do not have a planet that is on both!
A Star converts hydrogen into energy by nuclear fusion. A planet does not
A planet orbits a star whereas a moon orbits a planet.
That star would be the sun. That's why it's a planet in our solar system.
because pluto is no longer a planet it is a star
When don't they? If a planet is in orbit around a star, it is in continual orbit. Orbital periods (the lengths of time it takes different planets to complete one orbit) are different from planet to planet, and are related to the distances between the planets and their stars.
When don't they? If a planet is in orbit around a star, it is in continual orbit. Orbital periods (the lengths of time it takes different planets to complete one orbit) are different from planet to planet, and are related to the distances between the planets and their stars.
A star and a planet, both have cores.
a star is a dying planet and a planet is a living star