Physical Science

Mercury is the smallest and innermost planet in the solar system, orbiting the Sun at 43.5 million miles (70 million kilometres), or roughly half the distance from the Earth to the Sun. Although a genuine planet, visually it most resembles…
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Rhea is Saturn’s second-largest moon, after Titan. It takes its name from Rhea, a Titan in Greek mythology who was the brother and husband of Cronus, and the mother of Zeus and his siblings. All of Saturn’s moons are named…
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For the last decade scientists have been studying the stars for signs of planets and they have had very good luck discovering gas giants and other very large stars, but at millions of miles away seeing planets the size of…
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Titania is Uranus’s largest moon. It takes its name from a character in the William Shakespeare play A Midsummer Night’s Dream. All of Uranus’s 27 moons are named from characters in plays, either those of Shakespeare or of Alexander Pope….
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It is wonderfully exciting to live at the edge of heaven.  Here in Hawaii, at the Keck observatory atop Mauna Kea, it is big news that Gliese 581g, the first Goldilocks, (just right) planet for possibly supporting life as we…
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Since planetary stars (stars with planets) are essentially the same as other stars, they die the same way. All stars die when they run out of sufficient hydrogen in their cores, and the manner of their death is determined by…
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The Celestron X-Cel 5mm is a high powered eyepiece for planetary and Lunar viewing. The 5mm focal length makes for a high magnification  whichever telescope it’sbeing used with. Unlike the majority of eyepieces out there Celestron have used 6 lenses…
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In order to study the Sun for its many discoveries, scientists and astronomers over the years have developed many ways to obtain and process new information for the most complete observations available. Using ground-based telescopes and satellites as the most…
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Stars usually maintain a state of equilibrium with zero net forces acting on them.  The main force that acts on the stars is the gravitational force which tends to shrink the size of the star and forces it to collapse.  The other…
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There’s nothing quite like gazing up at a starry sky on a clear night without city lights. The way those twinkling diamonds sit on their never-ending black canvas in the country is something that everyone should experience. Without the pollution…
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