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1. Small bodies in the Solar System include dwarf planets, moons, asteroids, comets, Kuiper Belt objects,...

1. Small bodies in the Solar System include dwarf planets, moons, asteroids, comets, Kuiper Belt objects, and meteoroids. Describe briefly the objects in each classification: location(s), size ranges, compositions

2. How does the dwarf planet Ceres differ from the other dwarf planets?

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1)

Dwarf planets- There are five dwarf planets in our solar system, namely, Pluto, Ceres, Haumea, Eris, and Makemake.

The Ceres dwarf planet is located between the orbit of Mars and Jupiter inside the asteroid belt, while the other four dwarf planets are located in the outer solar system.

Eris is the largest planet with a size of 2326km. Ceres is the smallest dwarf planet of size 960km. The size increases in order- Ceres, Pluto, Haumea, Makemake, and Eris.

The dwarf planets have a region of frozen methane and nitrogen and polar caps.

Moons- it is defined as the astronomical body, which orbits a planet. It is considered as the fifth largest satellite in the solar system. The moon has a diameter of about 3475km.  

The moon currently lies in the constellation of Virgo.

The average composition of moon by weight is 43 % oxygen, 10 % iron, 3 % aluminum, 20 % silicon, 0.42 % chromium, 0.18 % titanium, 3 % calcium, 19 % magnesium, and 0.12 % manganese.

Asteroids- These are defined as the minor planets present in the inner of the solar system. The planetoids are the larger planets.

The size is about 530km in diameter and across is less than 33 feet.

They are made of silicon and oxygen. The metallic asteroids are composed of a 20% mixture of other metals and 30% iron.

Comets- The comets are defined as the cosmic snowballs of rock, dust, and frozen gases. The comets orbit the Sun. It heats and heads larger when they are closer to the Sun.

The nucleus of Comet is composed of water ice and frozen carbon dioxide, methane, rock, carbon monoxide, dust, and ammonia.

The short-period comets originate in the Kuiper Belt while a long period originates in the Oort cloud.

The diameter ranges from 750 m to 20km.

Kuiper Belt Objects- It is the circumstellar disc in the outer part of the Solar system. It includes the objects floating in the Kuiper Belt. The comets, dwarf planets, and bits of rock and ice are present in the Kuiper Belt.

The inner belt of Kuiper is 30AU and ends around 50AU away from the Sun.

The objects in the Kuiper Belt are larger than 100km in diameter.

Meteoroids- it is defined as the small rock body moving in the solar system. As it enters the Earth's atmosphere, it becomes a meteor. The size ranges from around 10m in dia.

It is found on the edge of the solar system and also in regions like the Kuiper Belt.

2)

Ceres is the only dwarf planet located in the inner of the solar system.

The Ceres dwarf planet is the largest object located between the orbit of Mars and Jupiter inside the asteroid belt.

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