Physical Science

Clouds which are dusty, obscure and block background light within the galaxy, are called dark nebulae. The most famous of these known to man is the Horsehead Nebula. These dark clouds of gas and dust, which sit within the Milky…
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Groups of stars are known as clusters.  There are two types of clusters in our universe: open and globular.  Open clusters can contain as little as a dozen to several hundred stars.  Open star clusters are closer to our galaxy…
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As the geological evidence of Earth proves, life comes and goes on this planet in a blink of an eye.  It has been estimated that there have been between five to twenty mass extinction events on Earth since life first…
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Heavenly bodies such as meteoroids, meteors, meteorites and comets are often grouped and classified together since they basically refer to a chunk of either rock or ice that are too small to be considered as a planet. Meteoroids, meteors, meteorites…
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A planetary nebula is one stage of a star’s slow death. It has nothing to do with planets. The astronomer William Herschel named this kind of nebula for what he saw as a resemblance to the planet Uranus, as it…
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The unsolved UFO mysteries that I find most interesting are my own. On two occasions, I have seen UFOs, and those two incidents, particularly the first one, are the basis of my certain knowledge that UFOs exist. Were they alien…
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Planetary nebula were so named by 18th century astronomers because through a telescope they appear as a disk not unlike the planets of our solar system. But even though they may have the appearance of planets, hence the name, they…
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So you want to buy a telescope for an aspiring young Astronomer and are confused as to what is the best choice. This is a situation that many parents find themselves in. They are blinded by the vast array of types and sizes,…
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Deeply buried behind the fortress of solitude, hidden inside a large storehouse of file boxes, we may find much more than just a conspiracy theory. Maybe the “Truth is Out There”, and a strange collection of possibilities are gathering dust…
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A planetary nebula is defined as, “A bright cloud of glowing gas and dust surrounding a highly evolved star,” according to encyclopedia.com. The term “nebula” originated in the mid-1600s, derived from the Greek term “nephele,” which refers to a cloud,…
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