Small rocky fragments orbiting the Sun that are mainly found in a belt between Mars and Jupiter.
Starts with
B
Theory that explains the origin of the Universe, based on the idea that all matter and energy in the Universe were formed from a great explosion. (Two words)
Starts with
C
A celestial body made up of ice and dust that orbits the Sun, that forms a characteristic long luminous tail when it approaches it.
Starts with
D
It is a celestial body that orbits the Sun, but it has not completely swept up the rocky fragments from all around its orbit. (Two words)
Starts with
E
Phenomenon that occurs when a celestial body is hidden, totally or partially, by being covered by another.
Starts with
F
Phase of the Moon in which it is seen fully illuminated. (Two words)
Starts with
G
It is the solid layer of the planet, formed by rocks.
Starts with
H
Chemical element (gas) that, together with Helium, composes a star and participates in nuclear fusion reactions.
Starts with
I
Group of planets in the Solar System located closer to the Sun. (Two words)
Starts with
J
It is the largest planet in the Solar System.
Contains
K
It is the name of a dwarf planet.
Starts with
L
Distance travelled by light in a year.
Starts with
M
Asteroid that crash with other celestial body and form a crater on its surface.
Starts with
N
Phase of the Moon in which none of its surface is illuminated. (Two words)
Starts with
O
Path that describes a planet around the Sun.
Starts with
P
Greek astronomer author of the geocentric model of the Universe.
Contains
Q
Imaginary line that divides the Earth into two hemispheres.
Starts with
R
Movement of a planet around its own axis.
Starts with
S
Celestial body that revolves around a planet.
Starts with
T
Periodic rises and falls in sea level, caused mainly by the gravitational attraction of the Moon.
Starts with
U
Set of everything discovered and what is yet to be discovered.
Starts with
V
It is the second planet in order from the Sun.
Starts with
W
Only the Earth in the Solar System has this substance in a liquid state.
Contains
X
Group of thousands of millions of stars.
Contains
Y
Galaxy to which the Solar System belongs. (Two words)
Contains
Z
Zone of space around a star in which the planets can have the adequate conditions to host life. (Two words)