OUTER SOLAR SYSTEM Meaning and
Definition
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The outer solar system refers to the vast expanse of space beyond the asteroid belt, beginning roughly past the orbit of Mars and extending outwards towards the outer reaches of the solar system. It includes the planets Jupiter, Saturn, Uranus, and Neptune, known as the gas giants, as well as their accompanying moons, rings, and other celestial bodies within their gravitational influence.
This region of the solar system is characterized by its considerable distance from the Sun, resulting in colder temperatures and a lower level of sunlight compared to the inner solar system. The outer solar system is also known for its immense size and abundant presence of gas and ice. The gas giants, in particular, are composed mainly of hydrogen and helium and possess massive atmospheres, while their moons and rings are predominantly made up of ice particles.
The outer solar system is a site of great scientific interest and exploration. Various missions have been sent to study and collect valuable data on the gas giants, their unique weather systems, magnetic fields, and diverse moons. Some notable missions include the Voyager spacecraft, the Galileo mission to Jupiter, and the ongoing Juno mission. The study of the outer solar system contributes to our understanding of planetary formation and evolution, as well as providing insights into the potential for life in other icy worlds beyond Earth.
