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How are planets different from stars?
Mainly in that they have a smaller mass. To be a "star", an object would need to be able to start hydrogen fusion. This requires a certain amount of mass and pressure at the core - which in turn require a certain minimum mass.
Why are stars different from planets?
Planets and StarsPlanets are comparatively smaller than stars and they don't have their own light, their mass is much lesser, their gravitational force is comparatively weak, etc.
What are some objects with a lot of mass?
Some examples of objects with a lot of mass include planets, stars, black holes, and large celestial bodies like galaxies.
What is a celestial object intermediate in mass between small known stars and large planets?
A brown dwarf.
Why haven't low-mass planets been detected close to their stars and high-mass planets far from their stars?
That's because a planet's gravitational effects on a star are stronger - and therefore easier to detect - if the planet is close to the star, and if it is massive.Current methods of detecting planets usually rely on the gravitational interaction between a planet and a star.
How are the stars moon and planets the same?
They are all objects held together by gravity. The main DIFFERENCES are the corresponding masses, the fact that planets orbit stars, whereas moons orbit planets, and that stars (due to their greater mass) can convert a lot of energy due to nuclear fusion.
After the Big Bang how did the planets aline themselves?
The sun has such a huge mass that it attracts all of the other objects closest to it.
What is bigger a planet or a star?
Stars are much bigger than planets. The only stars that are smaller than planets are neutron stars.
What does mass do to the planets?
Mass exerts gravitational force, which is crucial for the formation and stability of planets. It governs the orbits of celestial bodies, keeping planets in their paths around stars and influencing their interactions with other objects in space. Additionally, a planet's mass affects its atmosphere, geological activity, and potential to retain water, all of which are essential for supporting life. Thus, mass plays a fundamental role in shaping the characteristics and fate of planets.
What planets in the solar system have mass?
All planets have mass.
Does gravity happen in other parts of space?
Yes; wherever in the universe there is mass like planets, stars of even meteors, there is gravity.
Do planets and stars form the same way?
Actually, to quite an extent, they do. Whenever enough material in interstellar space accretes together until it has an appreciable mass, and thus attracts even more material to itself, you have the beginning of either a planet or a star. A planet if it is largely solids, or an amount of gas insufficient to make it a star, or a star if it is mostly hydrogen, and has enough of it to cause nuclear fusion at the center.
