Astronomy Terms

Astronomy terms are used to describe the various phenomena in space. In this section you can learn what every astronomy term means and how it helps us to better understand the cosmos.


What Kind of Technology Could Dark Matter Research Lead to?

Scientists are still trying to figure out the essence of dark matter. If they do, will it lead only to greater understanding, or can we develop new technologies?

Is there a speed of darkness?

Everyone knows that nothing travels faster than the speed of light, but how does the speed of dark compare? Read on to find out!

10 Scientific Words You're Probably Using Wrong

If you have a theory that potato chips are making you fat (with the proof being your expanding waistline), you've just used two scientific terms in a very unscientific way.

How did the universe begin?

You've heard of the big bang, of course, but do you have any idea as to what was happening during that massive flurry of activity billions of years ago?

What existed before the big bang?

So much of our cosmological history starts with the much-discussed big bang, but what led up to that cataclysmic moment? And did time even exist back then?

What are dark matter and dark energy?

Every day, astronomers unravel a little more of the universe's inner workings, but the jury is still out on 95 percent of its contents.

Quasar, or Quasi-stellar Object (QSO), a starlike object displaying an unusually large red shift.

Magellanic Clouds, three irregularly shaped galaxies that lie some 150,000 to 200,000 light-years from earth.

Aberration of Light, a phenomenon in which a star or other celestial body, as viewed from the earth, appears to be slightly displaced from its true position.

Albedo, in astronomy, the reflecting power of a celestial body that is not self-luminous.