Learn Astronomy

Learn the basics of astronomy with historical background and an introduction to the basic astronomy concepts, details about planets, satellites, asteroids, comets and meteors. Also learn the history of Astronomy from its origins in the religious, mythological, and astrological practices of prehistory through to modern astronomy.

What Causes the Earth's Magnetic Field?

Just where did our protective magnetosphere come from? We take a look at the Earth's magnetic field and how it interacts with the Sun.
- 13th Jul, 2019

Interacting Galaxies - Galaxy Mergers and Collisions

Galaxy mergers occur when two galaxies collide and are the most violent of galaxy interactions. The result is the creation of new galaxies.
- 27th Jun, 2019

What is Black Body Radiation?

All objects are continually absorbing and emitting infrared radiation. Black bodies are perfect absorbers and emitters of radiation.
- 5th Mar, 2016

What is Energy? Energy Stores and Transfers Explained

Energy underpins every process in the universe, so let's take a look at where it comes from, the processes involved and what energy does.
- 23rd Feb, 2016

25 Stunning Sights Every Astronomer Should See

Here's my collection of the top 25 stunning sights to see in the sky at night, from Iridium flares to solar flares and distant galaxies.
- 8th Jun, 2015

Why Do Stars Twinkle at Night?

I'm often asked Why do Stars Twinkle? So I'll answer the question with an article and few tips for astronomers to eliminate star twinkling.
- 27th Oct, 2013

The Messier Catalogue of Objects To Observe

The Messier Catalogue is a set of astronomical objects to which resembled, but were not, comets and should be avoided by comet hunters.
- 28th Mar, 2013

The Caldwell Catalogue

Messier objects are faint fuzzy objects to be avoided when searching for comets, Caldwell Catalogue is a list of objects you should observe.
- 28th Mar, 2013

Kuiper Belt

The Kuiper belt is an area of the solar system extending from the orbit of Neptune and is the area periodic comets come from.
- 28th Mar, 2013

Quasars (QUAsi-Stellar Radio Source)

Quasars are very energetic and distant galaxy with an active galactic nucleus. They are the most luminous objects in the universe.
- 5th Oct, 2010