Astronomy

Astronomy is an infinitely captivating subject and the oldest of the natural sciences. It is one of the few areas of science that amateurs can assist professionals and directly contribute to science. Astronomy is the scientific study of the contents of entire Universe, stars, planets, comets, asteroids, galaxies, and space and time, as well as its history. If you're starting out in Astronomy and looking at the sky at night, the contents of this site will guide you through what you can see at night as well as equipment advice, observation tips and tutorials. The astronomy articles cover the types of objects you can see and illustrate some basic astronomy concepts which are important to learn. You can also find several astronomy DIY projects which you can build yourself.

Geminid Meteor Shower

Geminid Meteor Shower, or Geminids, are usually the strongest meteor shower of the year and meteor enthusiasts circle the date in calendar.
- 20th Apr, 2009

Lyrid Meteor Shower

The annual Lyrid Meteor Shower peaks around April 22nd with a display of 10 to 20 meteors per hour over the Northern hemisphere.
- 20th Apr, 2009

What are Asteroids, Meteors and Comets?

Asteroids, Meteors and Comets are visitors from the far reaches of space. They are rock and ice from deep space but what is the difference?
- 28th Mar, 2009

Spectroscopy and Spectrometry

A look at what light is together with how we use spectroscopy and spectrometry to better understand the universe.
- 27th Mar, 2009

Gamma Ray Bursts

Gamma Ray Bursts (or GRB's) are the most luminous electromagnetic events occurring in the universe since the Big Bang.
- 26th Mar, 2009

Redshift and Blueshift

Redshift and Blueshift are visible effects of the Doppler effect which you may have heard when a siren approaches and passes you by.
- 26th Mar, 2009

List of Astronomy Equations with Workings

Use this Astronomy Equations Cheat Sheet to help find the equations you are looking for, then see the relevant page for tutorials and how to use the equations.
- 14th Dec, 2008

Hertzsprung-Russell Diagram and the Main Sequence

The Hertzsprung-Russell diagram shows the relationship between different properties of stars and illustrates trends among stars.
- 16th Nov, 2008

What Is a Black Hole? Black Holes Explained - From Birth to Death

A black hole is a collapsed star with all its mass concentrated in a tiny area so nothing can escape its gravitational pull, not even light.
- 16th Nov, 2008

Stars and Stellar Evolution

We are all pretty familiar with stars. We see them on clear nights as tiny, twinkling pinpricks of light in the sky. But what are stars?
- 13th Nov, 2008