Asteroid | Astronomy Is Asteroid A Planet

is asteroid a planet is asteroid a planetesimal is asteroid a planetoid is asteroid dwarf planet what size asteroid is a planet killer

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April 16, 2020

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is asteroid a planet, is asteroid a planetesimal, is asteroid a planetoid, is asteroid dwarf planet, what size asteroid is a planet killer

astronomy

Last Updated: Mar 13, 2020

Alternative Titles: minor planet, planetoid

Asteroid, also called minor planet or planetoid, any of a host of small bodies, about 1,000 km (600 miles) or less in diameter, that orbit the Sun primarily between the orbits of Mars and Jupiter in a nearly flat ring called the asteroid belt. It is because of their small size and large numbers relative to the major planets that asteroids are also called minor planets. The two designations have been used interchangeably, though the term asteroid is more widely recognized by the general public. Among scientists, those who study individual objects with dynamically interesting orbits or groups of objects

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