Product reviews: Celestron Ultima LX 8mm eyepiece
By: Matt Kelly
Celestron have been known in the past to be a little hit & miss where eyepieces are concerned. While their telescopes are of an exceptional quality their eyepieces are somewhat more sporadic in how they've been received. So where does the Ultima LX lie? Aesthetically...
By: D. Vogt
Understanding the Moon's influence on the Earth means going well beyond the Moon's role in causing the tides, although these are the most obvious short-term manifestations. Essentially, understanding the Moon's influence on Earth means asking the question, what would the Earth be like without the...
What was the Heliocentric model of the universe?
By: D. Vogt
The heliocentric model of the universe (also known as heliocentrism) is a now-obsolete theory which states that the Sun lies at the centre of the universe and that all other objects orbit around the Sun. It was first put forward (at least in recorded history)...
Product reviews: Baader RGB Filter Set with IR Cut
By: Matt Kelly
Whether you're imaging objects within the solar system or trying to capture the ethereal wisps of a distant emission nebula or galaxy you will get the best results from a monochrome camera than you will with an equivalent camera with built in colour capabilities. Monochrome...
Should we Contact Aliens
By: Anthony Megna
Suppose there is hard evidence that an alien civilization exists, is it realistic to assume that we wouldn't try to contact them? Of course not, we would do everything in our power to try and contact them, not matter what anyone thinks! And that is...
By: D. Vogt
A "shooting star" is the term commonly used for a meteoroid when it enters the Earth's atmosphere and burns up, leaving a streaking trail of light in the night sky. A meteoroid is essentially a very small space object, ranging in size from a grain...
Product reviews: Tal x2 De-Luxe Barlow Lens 1.25" eyepiece
By: Matt Kelly
A decent Barlow is an invaluable tool to the astronomer, especially in times where money may be a little tighter than usual. The Barlow is indispensable to the visual observer as well as the astrophotographer. Firstly, for the visual observer a Barlow increases magnification by...
Viewing techniques for urban stargazing
By: Carol Smock
Stargazing was once the most simple and accessible of entertainments. Shepherds would peruse the canopy of tiny lights overhead and spin tales of god and goddesses. In rural areas, star gazing is usually as simple as walking out into the night and looking up. The...
By: Pamela Kay
The night skies, seen by most urban dwellers, is empty when compared to the sky seen by someone in the Serengeti Plains of Tanzania because of the light pollution in urban areas. Because of this light, it is more difficult choosing an observing site for...
By: D. Vogt
The unexpected discovery of extrasolar planet Gliese 581g in September 2010 set off wild speculation about what appeared to be the most Earth-like planet found orbiting another star yet. The man who headed up the planet-hunting team which found it, Steven Vogt, had a moment...

 

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