Physical Science

Since the Voyager probes sped by in the 1980s, Jupiter has been visited by several human probes – most significant among them Galileo, which was specifically sent to the giant planet and conducted six years of research there been 1995…
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You could say that we humans are already time travelers.Traveling on our life journey through what we perceive as time for our birth to our death. Experiencing events ans they happen day by day. But what if we could do…
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Since the 16th century, when Franciscan monk Giordano Bruno, outspoken and enamored disciple of Copernican heliocentricity, first hypothesized that there had to be life out there somewhere, a menagerie of believers and enthusiasts have tried to use speculation, associative reasoning,…
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Iridium Flares: Fascinating Night Sky Viewing There is such an array of spectacular sights to see in the night sky.  Even without the aid of a telescope it is possible to see some fascinating things if you look in the…
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When NASA’s Juno spacecraft reaches Jupiter in several years’ time, it will be only the second probe designed mainly to explore Jupiter. The first, Galileo, arrived in the 1990s and was destroyed when it was deliberately crashed into Jupiter’s atmosphere…
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Outer space is the space which lies outside of the Earth’s atmosphere (and, in the same way, all other planets’ atmospheres). Of course, this is a rather simplistic definition: It incorporates some popular myths, and overlooks a few minor nuances….
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Most stars, around 90% of the total, are red dwarfs. We don’t see them in our night skies, because they are too faint, but they make up the vast majority of the Milky Way Galaxy. They burn slowly and coolly…
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Water is one of the most critical needs that astronauts have in space. They need it for everything from food preparation to consumption or personal hygiene. The process through which astronauts in space get water is a very complicated one,…
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Although the phrase “once in a blue moon” is often used to describe an extremely rare event the origin of the phrase is less widely known. In fact few people know what is meant by a blue moon. The blue…
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Some 4.5 billion years ago, there was nothing here but gas: a vast, swirling cloud of hydrogen and helium gas, along with particles of dust, containing heavy elements synthesized in ancient stars and supernova explosions. This cloud, several light-years across,…
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