Group 5 Comets And Asteroids

A comet is an icy object that niether a planet, dwarf planet or a satellite of a planet or dwarf planet (Smalll Solar System Body). When one is close enough to the Sun, is displays a fuzzy, thin, temperary atmosphere (Coma) and sometimes, a tail. These effects are due to solar radiation and the solar wind on the nucleus of the comet.

Comets have wide range of orbital periods (the time taken for a given object to make one complete orbit around another object), ranging from a few years to hundreds of thousands of years.

Above: A comet shooting through space.

Asteroids, or planetoids, are a class of small Solar System bodies that orbit the Sun.

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