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Solar System

TermDefinition
age of our solar system 4.6 billion years
the giant cloud of gas and dust particles the solar system formed from solar nebula
defined as the Sun and everything that revolves around it solar system
star located at the center of our solar system that contains 99.8% of the system's mass Sun
number of planets that orbit our Sun 8
closest planet to our Sun named after the Roman god of divination and commerce, terrestrial planet Mercury
2nd closest planet, terrestrial planet, the hottest planet in the solar system, names after the Roman goddess of love Venus
band of space around a star that is the right temperature to support an atmosphere capable of sustaining liquid water and life naturally circumstellar habitable zone
third planet from the sun, terrestrial planet and the only planet not named after a mythological god Earth
fourth planet from the Sun, color is from high levels of iron oxide (rust) in the crust and named after the Roman god of war Mars
fifth planet from the Sun, a gas giant, known for its "big red spot" which is a seemingly endless storm and name after the king of the Roman gods Jupiter
sixth planet from the Sun, a gas giant, named after Roman god of generation, plenty, wealth, agriculture, and liberation, and known for its spectacular ring system Saturn
seventh planet from the Sun, ice giant, named after Roman god of the sky , tilted 98 degrees on its axis, has a ring system Uranus
eighth planet from the Sun, ice giant, named after the Roman god of the sea, has a ring system Neptune
well-known dwarf planet demoted from a planet because it does not have its own orbit Pluto
small rock or particle of debris in the solar system, range in size from dust to around 10 metres in diameter, orbit the sun meteoroids
meteoroid that burns up as it goes through the Earth’s atmosphere is meteor
meteoroid that survives falling through the Earth’s atmosphere and colliding with the Earth’s surface meteorite
small solar system body that orbits the Sun, are made of ice, dust and small rocky particles and develop a tail (as ices melt) as it nears the Sun comet
name of a comet's tail coma
bodies in the solar system that orbit the Sun, typically made of rock and metal but can also contain organic compounds, vary in size asteroid
unit of distance light travels in one year (9.5 trillion km) light year
used of distance to measure greater distances between stars and galaxies. equal 3.26 light years parsec
unit used to measure distances between planets (our solar system), is the average distance between the Earth and Sun, equal to about 150 million km astronomical unit (AU)
a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such dwarf planet
an extended shell of icy objects that exist in the outermost reaches of the solar system, home to comets, farthest reaches of our solar system extending 2000 to maybe as high as 100,000 AU from the Sun Oort Cloud
is a circumstellar disc in the Solar System beyond the planets, extending from the orbit of Neptune to approximately 50 AU from the Sun, similar to asteroid belt but far larger, home to dwarf planets of Pluto, Makemake, and Haumea Kuiper Belt
naturally revolving satellite of a planet moon
Created by: rdmonaghan
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