What is the difference between astronomy and astrology?

This is called astronomical unit and is 149597870 kilometers.

Asteroid, Earth, Jupiter, Sun, Milky Way (galaxy), universe. They will often miss out one or more terms and may add in others e.g. comet instead of asteroid. You also need...

Astronomy is, essentially, applied physics (with the relatively recent developments of astro-chemistry and astro-biology, this isn't as clear cut as it used to be, but overall I think it still...

The Hertzprung-Russell diagram is a graph relating stars' temperature to their luminosity. The graph has 5 main regions, each for a different group of stars. The Main Sequence contains your...

In my opinion, ' complete rotation/revolution' is implicit in 'revolution'. I do not want to emphasize on this as a rule. At the same time, I think, this is a...

astronomy focuses on observation while astrophysics applies principles of physics to the the entire cosmos. Both focus on the cosmos (universe). think about this way: one is observational science with...

Chemical analysis of the spectra from stars and and of cosmic dust clouds allows their chemical composition to be determined.

Astronomy and cosmology are similar in many respects, but they deal with things on vastly different scales. Let's start with astronomy. This is the study of objects like stars, planets,...

Astronomy is about the observation of bodies in the sky. These include planets, moons, comets, stars, galaxies, nebulae and other objects. It involves determining the position, distance, motions and brightness...

Astrology has two parts. Calculations -casting of horoscope to depict position of various planets at the time of birth of a subject. Predictions -predicting events or chain of events...