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Equatorial diameters, in kilometers...

Mercury: 4880

Venus: 12,104

Earth: 12,756

Mars: 6,787

Jupiter: 142,800

Saturn: 120,000

Uranus: 51,800

Neptune: 49,500

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Which group of planets has more in common the inner planets or the outer planets?

The inner planets (Mercury, Venus, Earth, Mars) have more in common with each other compared to the outer planets (Jupiter, Saturn, Uranus, Neptune). The inner planets are often referred to as terrestrial planets and are characterized by their solid surfaces and relatively small sizes, while the outer planets are gas giants with no solid surface and much larger sizes.


The giant planets are composed primarily of?

The giant planets are primarily composed of hydrogen, helium, and other gases. This composition gives the planets their low densities and large sizes compared to terrestrial planets. Additionally, these planets may have a small rocky core at the center, surrounded by layers of gas.


What are the planets out of your solar system?

Planets outside our solar system are called exoplanets. Thousands of exoplanets have been discovered orbiting other stars in the Milky Way galaxy. They come in a variety of sizes and compositions, and many are quite different from the planets in our own solar system.


What is the approximate diameter of the largest asteroid?

They are all different sizes.


Why the planets not colliding each other?

The planets in the solar system are in well-spaced out, stable, roughly circular orbits - they don't come close enough to collide with each other. Asteroids and comets, however, are on more elliptical, unstable orbits that often cross the orbits of the planets, and sometimes planets collide with asteroids and comets.

Related Questions

How do the sizes of the inner planets compare to the sizes of the gas giant planets?

inner planets are small and outer planets are big and cold and gas giants.


Do planets and moons come in all sizes and colors?

Yes. Planets and moons come in all sizes and colors.


Which group of planets has more in common the inner planets or the outer planets?

The inner planets (Mercury, Venus, Earth, Mars) have more in common with each other compared to the outer planets (Jupiter, Saturn, Uranus, Neptune). The inner planets are often referred to as terrestrial planets and are characterized by their solid surfaces and relatively small sizes, while the outer planets are gas giants with no solid surface and much larger sizes.


What is different about the inner planets?

they are all different sizes


How do the sizes of the four inner planets compare?

they are small


Are the planets different sizes and shapes?

No, they are the size of uranus ;)


How does gravity between the sun and planets control the path the planets make around the sun?

The sizes of the Sun and planets determine the strength of gravitational pull of the planets on each other and the Sun. The Sun's mass is so great that the planets can't escape from the Sun's pull and so as the planets are moving by the Sun pulls them back into orbit.


The giant planets are composed primarily of?

The giant planets are primarily composed of hydrogen, helium, and other gases. This composition gives the planets their low densities and large sizes compared to terrestrial planets. Additionally, these planets may have a small rocky core at the center, surrounded by layers of gas.


What is the size of the outer planets?

The average sizes of the outer planets are smallest than the average size of the Pluto so that they can called them the dwarf planets.


What are the planets out of your solar system?

Planets outside our solar system are called exoplanets. Thousands of exoplanets have been discovered orbiting other stars in the Milky Way galaxy. They come in a variety of sizes and compositions, and many are quite different from the planets in our own solar system.


What is the approximate diameter of the largest asteroid?

They are all different sizes.


How do the sizes of inner planets compare to the sizes of gas giants?

The sizes of inner planets are generally smaller compared to the sizes of the gas giants. The inner planets are Mercury, Venus, Earth and Mars. The gas giants are Jupiter, Saturn, Uranus and Neptune.