azot

An element with atomic number 12; symbol: Mg. Magnesium is contained in the minerals olivine and pyroxene, and is very abundant in the mantles of the inner planets.

gvožđe

Astronomy; Planetary science

An element with atomic number 26; symbol: Fe. Iron is one of the most abundant elements in the rocky planets. It is the most abundant element in the metallic cores of the inner ...

водоник

Astronomy; Planetary science

An element with atomic number 1; symbol: H. It is the most abundant element in the Solar System, making up 90 percent of the Sun. Hydrogen, carbon, nitrogen, and oxygen are ...

organizam

Astronomy; Planetary science

Any form of animal or plant life.

atmosfera

Astronomy; Planetary science

Mixture of gases that surround and are gravitationally attached to a planet.

lava

Astronomy; Planetary science

Fluid magma that flows onto the surface of a planet or moon; erupted from a volcano or fissure. Also, the rock formed by solidification of this material.

litosfera

Astronomy; Planetary science

Layer in a planetary body consisting of the crust and upper mantle.

kiseonik

Astronomy; Planetary science

An element with atomic number 8; symbol: O. It is actually the most common element in the crusts and mantles of the inner planets and rocky moons, making up all silicate minerals. ...