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Hydrogen and Helium

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What are the two major differences in the composition of the inner and outer planets?

the inner planets are rocky and warm and the outer planets are made out of gas and is cold


What are two major differences in the composition of the inner and outer planets?

the inner planets are rocky and warm and the outer planets are made out of gas and is cold


What are two outer planets that are about the same size?

Uranus and Neptune are two outer planets that are similar in size. Both planets are known as ice giants and are similar in diameter and mass.


What are the inner planets and the outer planets and how do the planets in the two groups differ?

The inner planets are Mercury, Venus, Earth and Mars. The outer planets (they are separated by the asteroid belt) are Jupiter, Saturn, Uranus, and Neptune. The outer planets are different than the inner planets because the outer planets are not solid. They are all made up of gas. However, the inner planets are rocky and hard.


The outer planets are made of what two gases?

Helium and hydrogen =|


What two things does earth have in common with the outer planets?

Earth and the outer planets are all considered part of the solar system. They all orbit the sun. Additionally, they are all made up of various elements and materials found in the universe.


What are two ways that the eight planets can be classified?

They can be classed as terrestrial planets or gas giants, or inner and outer.


What are the two major groups that planets are divided?

Inner rocky planets and outer gas giant planets. (There are also Ice giants and dwarf planets)


Why are some planets referred to as outer planets?

The planets in the solar system can be sorted to two types: inner planets that are the four closer planets to the Sun, which are rocky and small. And outer planets which are the four other planets which are gaseous and very large.


What are the two main gases found in the outer planets?

helium and hydroen


What is the two main gases of the atmospheres of the outer planets?

amonia, hydrogen,


How are the planets of the solar system often grouped?

The planets of the solar system are often grouped into two main categories: the inner planets (Mercury, Venus, Earth, Mars) and the outer planets (Jupiter, Saturn, Uranus, Neptune). Another common grouping is the terrestrial planets (Mercury, Venus, Earth, Mars) and the gas giants (Jupiter, Saturn, Uranus, Neptune).