Astronomy

Astronomy is the science of celestial bodies, astronomical phenomenon and objects found within space. Astronomers would study the night sky and find stars, planets, comets and constellations. Several objects and buildings have been constructed to aid in the study, such as telescopes observatories.

Astronomy of Equestria
Equestria is on a planet known as "Earth". There exist many planets around Equestria, but the vast majority of them have been unnamed and are inconsistently drawn, making the distinction between them hard to pin-point, however a planet resembling Saturn has been depicted on several occasions. One known planet includes "Marsh", a planet that was written about in science fiction as containing space aliens.

Equestria is located relatively near the "Horsehead Nebula", which the "Secretariat Comet" passes through routinely.

Planet
Planets, sometimes referred to as worlds, are large (though small in relative) celestial bodies that typically contain moons, continents, and other geographical features. Very, very few planets contain life, In fact, aside from Pony worlds, the only planets known to contain life have been fictional, such as Marsh. Well, that and a certain planet that contains Transformers, but that isn't real...or is it? It is, now.

Star
A star is a type of astronomical object. Gaseous spheres of gas, stars glow bright and hot, bright and hot enough to illuminate and heat nearby planets.

Comet

 * Star
 * Galaxy
 * Comet
 * Coma
 * Black hole

Events

 * Meteor shower
 * Aurora Borealis

Astrology
Astrology is a pseudo-scientific field involving equinox rotations. Astrology involves the zodiac signs Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius and Pisces.