They used a telescope
scientists who found them
That all of them scientists have found do not have the air we breathe
Outer planets and inner planets are compared because they have distinct differences in size, composition, and characteristics. Inner planets are smaller, rocky, and denser, while outer planets are larger, gaseous, and have thick atmospheres. Studying these differences helps scientists understand how planets form and evolve in our solar system.
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One-half of eight is four. So, there are four inner planets and four outer planets. According to the distances in the table, Mercury, Venus, Earth, and Mars are inner planets. Jupiter, Saturn, Uranus, and Neptune are outer planets.
its not different at all they are just outer planets
Instruments used in studying outer space include telescopes (both ground-based and space-based), spectrographs, radio telescopes, space probes, and satellites. These instruments help scientists observe and analyze various phenomena in space, such as stars, planets, galaxies, and cosmic rays.
The outer planets are larger.
The outer planets are the planets that are made of gas. Each of the outer planets are mad of gas and can not hold life.
What the history about the outer planets?
Scientists divided the eight planets into inner and outer planets based on their distances from the sun. The inner planets are closer to the sun and are rocky terrestrial planets, while the outer planets are farther away and are gas giants. This division helps in understanding the differences in their composition, characteristics, and behavior.
outer planets are gas giants whille inner planets are just rocky planets. that includes that outer planets have significant amount of mass than the inner planets