A guide to basic astronomical terminology
By: Aldrin A Wilding-West
Our fascination with the night sky and what is 'out there' is as old as the human race itself. A basic knowledge of what you're looking at when you simply step outside and look up at a dark, star filled sky can be a rewarding...
The difference between astronomy and astrophysics
By: Aldrin A Wilding-West
What is the difference between Astronomy and Astrophysics?This is actually a question that can be answered very simply indeed if you take a step back and look logically. The two words/fields though, are inextricably linked in the world of today's study of the universe...
A guide to basic astronomical terminology
By: Marina Bradaric
Whether you are a beginning astronomer or just a person who would like to know what it means when the newspaper talks about an eclipse, a knowledge of the very basic, fundamental terms of astronomy can be very useful in life and is worth picking...
Facts about supernovas
By: Nick Ford
In 1935 Fritz Zwicky and has colleague Walter Baade coined the phrase supernovae. Supernovae are visually stunning, complicated, stellar explosions. They are a solar requiem. These extremely energetic explosions are the final actions in the lifetime of a star. A supernova quickly liberates more energy...
Facts about the rings of Saturn
By: Bema Self
When Saturn's rings were first discovered, Galileo originally thought that the rings were former baby planets eaten up by Saturn. Which follows the myth of Cronus eating his newborn children to prevent them from over throwing his reign when they got older. Which leads me...
How hot air balloons work
By: Mark G Weller
A hot-air balloon flies or rises when the air inside the envelope is heated causing it to be less dense than the surrounding air mass. Since the less dense air is contained within the envelope, the envelope and attached basket rise. The physics of why...
Facts about supernovas
By: Joseph Malek
An exploding star is a supernova, or the process by which a star transforms into a different kind of body. It can become a dwarf star, a quasar or a pulsar. The end result of the transformation can even result in what is known as...
A guide to notable asteroids
By: Marina Bradaric
With the Hollywood hype of asteroids on a collision course with Earth and Obama's goal to land a manned mission on an asteroid before we head for Mars, it might be useful to know a little more about the most notable asteroids in our solar...
The composition of comets
By: Aldrin A Wilding-West
Comets are commonly referred to as 'dirty snowballs' because of the knowledge that they contain rock, dust and water ice. It is also widely thought that it may have been comets that brought the building blocks of life to Earth. Conversely, throughout our history, comets...
By: Johnnie D Williams
The Swiss astronomer Fritz Zwicky first invented the phase “dark matter” in 1934 after an exploration of the missing mass within the universe. In essence dark matter remains invisible, impossible to even touch or see. Continual scientific research focuses around what exactly dark matter...

 

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