Astronomy World

Astronomy is the scientific study of all objects in space.

Astronomy is the study of the sun, moon, stars, planets, comets, gas, galaxies, gas, dust and other non-Earthly bodies and phenomena.

The word comes to us from the ancient Greek term for star law. Astrophysics, which is part of astronomy, goes a step further and applies the laws of physics to help us understand the origins of the universe and the objects in it.

NASA defines astronomy as simple "the study of stars, planets and space." Astronomy and astrology were historically associated, but astrology is not a science and is no longer recognized as having anything to do with astronomy. Below we discuss the history of astronomy and related fields of study, including cosmology.

Both professional and amateur astronomers observe the universe and devise theories and applications to help understand the planets, stars, and galaxies.

Historically, astronomy has focused on observations of heavenly bodies. It is a close cousin to astrophysics. Succinctly put, astrophysics involves the study of the physics of astronomy and concentrates on the behavior, properties and motion of objects out there.

However, modern astronomy includes many elements of the motions and characteristics of these bodies, and the two terms are often used interchangeably today.

Astronomy is the study of the universe, the celestial objects that make up the universe, and the processes that govern the lifecycle of those objects. Astronomy is largely an observational science.

Astronomers use the electromagnetic radiation emitted from stars and other celestial objects, which can include visible light, UV, infrared, and X-rays.

Because the light from these objects is the primary means to study them, one of the most important tools for an astronomer is the telescope.

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