Physical Science

A lightyear is a non-fundamental unit of length or distance equivalent to 9,500,000,000,000,000 meters.It is a much more bigger unit of distance created by scientiststo represent the distance that light travels in one year.Lightyear is the perfect unit,used by astronomers,at…
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You do not have to be an astronomy buff to bask in the glorious beauty of the night sky. Its mysterious realm of darkness is blanketed with the speckled lights of the stars that we wish upon before we lay…
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In order to identify and fully appreciate the North Star we need to understand it, yet in order to understand it we need to be able to accurately identify it. A dilemma of sorts for many, excluding dedicated astronomers whose…
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Jupiter is the largest planet in the solar system. It measures 88,846 miles across. It is so massive the earth could fit itself into this giant swirling mass of low density atmospheric gaseous clouds 1,000 times. It is so large…
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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…
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In September 2010, the planet-hunting team of Steven Vogt made headlines by announcing that they believed they had discovered the most Earth-like planet ever: Gliese 581g, a small planet orbiting squarely in the habitability zone of its red dwarf star,…
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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…
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Televue have spent years crafting quality astronomical equipment to ensure they remain the kings of eyepiece construction. The Nagler series is amongst their finer offerings and while they cannot be considered cheap (at just shy of £200) the unwavering enthusiasm and…
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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…
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In terms of time, a lightyear is, well, just one year. It’s a little more than a major league baseball season if you include spring training and post season games. One year is not much time; at least it’s not…
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