Planetary Compositions

Planetary Compositions

The following content consists of what the planets in our solar system are made of. Composition is defined as an object that is made of elements. What elements make up the planet’s atmospheres in our solar system?



MERCURY

Mercury consists of the elements oxygen, sodium, hydrogen, helium, potassium, iron, and silicate.

VENUS

Venus is mostly made of sulfur dioxide, sulfuric acid, and carbon dioxide.

EARTH

Earth has an atmosphere that consists of nitrogen, oxygen, and carbon dioxide.

MARS

Mars is made of iron, nickel, sulfur, magnesium, aluminum, calcium, and potassium.

JUPITER

Jupiter is a gas giant that consists of mostly hydrogen and helium.

SATURN

Saturn is made of hydrogen, helium, ammonia, ammonium sulfide, and iron alloy.

URANUS

Uranus is made of hydrogen, helium, methane, water, ammonia

NEPTUNE

Neptune consists of hydrogen, helium, methane, and nickel-iron alloy.

PLUTO

Pluto is mostly made of nitrogen, methane, carbon, and monoxide.


The Planetary Symbols
by Cassie F. 2020

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