Astronomy

is the study of the

Universe

contains

Galaxy

contains

Solar System

such as

Milky Way

Andromeda

contains

Stars

Inner Planets

contains

Outer Planets

seperated by

such as

Betelgeuse

Polaris

which form

Constellations

such as

Jupiter

Saturn

Uranus

Neptune

such as

Earth

Venus

Mercury

Mars

distance here is measured through

Light-year

Astronomical Unit

Asteroid Belt

which have an

Orbit

around

The Sun

which have many

Moons

Celestial Object/Body

such as

Dwarf Planets

Meteoroids

Comets

created by

Big Bang Theory

thought to be expanding because of

Red Shift

which is a shift in

Wavelength

of

Light

Doppler Effect

such as

Ceres

Pluto

Eris

Haumea

Makemake

work together to cause

Solar Eclipse

Lunar Eclipse