The Andromeda Galaxy (M31)
By: D. Vogt
The Andromeda Galaxy is the closest major galaxy to our own home, the Milky Way Galaxy. Like our own, it is a spiral galaxy, meaning the core is orbited by massive "arms," or bands of star-rich regions. Together with a few dozen other galaxies...
Space exploration in the future
By: David Maloy
We are starting to talk about going to Mars more and more every day. Many still want to put all our efforts into building on the moon and others want to expand and create more space stations. But when it's all said and done, we...
The possibility of the star Eta Carinae going supernova
By: D. Vogt
Eight thousand light years from the Earth, the star Eta Carinae is in its death throes. This is a binary star system with a luminous blue variable star in the last stages of its life, which could explode into a supernova within the next several...
What is a black hole
By: Elton Gahr
If you’ve read or watched any science fiction the odds are good that at some point you have come across the concept of a black hole. These are scattered across science fiction stories and while sometimes there is a cursory explanation of what they...
The Virgo cluster of galaxies
By: D. Vogt
The Virgo Cluster is a galaxy cluster located about 60 million light-years from the Earth, consisting of over a thousand individual galaxies. It is at the astronomical centre of the Virgo Supercluster (a group of galaxy clusters, including our own), and features both spiral and...
By: Wayne Leon Learmond
What would it take to travel to the Planet Mars? What are the dangers that one would face if such a journey where possible? And, also, what would be the psychological effects on the human mind, as well as the supplies one would have to...
Characteristics of a blue moon
By: Tim Harry
Most people will have heard of the phrase “once in a blue moon”, meaning something that occurs infrequently. It is a phrase that comes about directly from the cycle of the lunar moon, and today it relates to the appearance of a second full...
Contacting aliens
By: Lee Pringle
First Contact: A Short Study When we think of first contact with a non-human civilisation, we imagine them either landing on the White House lawn, appearing over our cities in massive ships or sneaking into our bedrooms at night scaring the willies out of us...
What happens to a spacecraft on a Hohmann transfer orbit
By: D. Vogt
A Hohmann transfer orbit is a special and common type of spacecraft maneuver which is used to move the spacecraft between two orbits. It was also known as a Vetchinkin transfer orbit during the Cold War, after a Soviet mathematician at the time credited by...
What happens at the Vernal Equinox?
By: Bruce Tyson
Vernal Equinox is the term used to describe the moment in time when the middle of the sun is observable directly overhead from a location on the equator. The Vernal Equinox happens once every year on either March 20th or 21st. The exact time of...

 

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