Articles » Astronomy
It seems almost too amazing to contemplate. Measured from its antennae, Pioneer 10 extends less than 3 m (9 feet) and weighs about 270 kg (570 lb.). Its power comes from four nuclear generators each of which provided only 40 watts at launch, 29 years ago. Now that spacecraft is almost 12 billion km alway (7 billion miles). Despite the immense distance and the tiny onboard power source, a message from Pioneer 10 was successfully detected on April 28/01 by a tracking station in Spain. Some people might wonder how signals from Pioneer 10 are recognized from so far away. Apparently there is a new analytical technique based on chaos theory, which may enable scientists to sift real signals out of background noise. Read the rest of this entry »
Most of us appreciate the word “young”, especially when it is used to describe us. However there is one class of individual that does not particularly like this adjective. These are astronomers. They don’t mind looking young themselves. However they do not want to hear about phenomena in space which appear recent or young. Many astronomers believe that our solar system is billions of years old. There should not be too many phenomena (or any) in space that are of very recent origin. Read the rest of this entry »
Mankind has always been fascinated by the night sky. Indeed it seems that some of the earliest recorded observations from nature were astronomical. For example, in the mid nineteenth century, English archaeologists uncovered a huge library of clay tablets in the palace of Assyrian Emperor Sennecherib of Nineveh, who lived about seven hundred years B.C. Among other clay tablets were detailed records concerning the planet Venus. It’s interesting that the pattern of appearances and absences from the sky is different from what we see today. It’s hard to say if the observations were accurate, but we do know that many of these ancients took their studies very seriously. The wise men in the gospels are a good example. Moreover an earlier document, the book of Job, mentions constellations such as the Pleiades. Read the rest of this entry »
According to astronomer/author Timothy Ferris in his new book The Whole Shebang: A State of the Universe(s) Report, cosmologist Andrei Linde considers speculation on ultimate origins an excitingly “dangerous” subject. (1997 published by Simon and Schuster see p. 260) Apparently Dr. Linde sometimes wakes up wracked by doubt. Maybe all the speculations in cosmology are simply myths, with no foundation in reality at all. Author Ferris quotes Linde as remarking “Maybe actually the solution is quite aside from what we’re thinking about. It is a very dangerous feeling, this feeling that you’re not totally secure in what you’re doing.” It is one thing to have tentative views, but why should this scientist consider his to be dangerous? What or whom does he fear? Certainly fellow cosmologists have no similar scruples. A review of Dr. Ferris’ book in Astronomy magazine July 1997 p. 108 claims “His work is a tour de force, a spiral galaxy of thoughts recounted in eloquent and vibrant prose.” We are advised to “Relish its prose, ponder its implications.” Well then let’s do it. Let’s see what the implications of cosmology are for us today. Read the rest of this entry »
It’s a scary place out there. Dangerous rays and strange bodies make deep space a good place to avoid. The Hubble Space Telescope (functioning since late 1993), and other observatory satellites like the Compton Gamma Ray Observatory or CGRO (launched April 5, 1991), and Rossi X-Ray Timing Explorer or XTE (launched December 30, 1995) and Beppo-SAX (launched April 20, 1996), have provided us with an information overload when it comes to the wonders of space. If each type of body in space, such as stars and galaxies, functioned in predictable ways, then astronomers might have a pretty good grasp on what is going on out there. Recent observations made with these fancy new observatories however, have revealed a plethora of unexpected and unexplained phenomena. Vast numbers of objects which should act in similar ways, all seem to be doing their own thing. Read the rest of this entry »
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It’s a scary place out there. Dangerous rays and strange bodies make deep space a good place to avoid. The Hubble Space Telescope (functioning since late 1993), and other observatory satellites like the Compton Gamma Ray Observatory or CGRO (launched April 5, 1991), and Rossi X-Ray Timing Explorer or XTE (launched December 30, 1995) and Beppo-SAX (launched April 20, 1996), have provided us with an information overload when it comes to the wonders of space. If each type of body in space, such as stars and galaxies, functioned in predictable ways, then astronomers might have a pretty good grasp on what is going on out there. Recent observations made with these fancy new observatories however, have revealed a plethora of unexpected and unexplained phenomena. Vast numbers of objects which should act in similar ways, all seem to be doing their own thing. Read the rest of this entry »
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It’s a scary place out there. Dangerous rays and strange bodies make deep space a good place to avoid. The Hubble Space Telescope (functioning since late 1993), and other observatory satellites like the Compton Gamma Ray Observatory or CGRO (launched April 5, 1991), and Rossi X-Ray Timing Explorer or XTE (launched December 30, 1995) and Beppo-SAX (launched April 20, 1996), have provided us with an information overload when it comes to the wonders of space. If each type of body in space, such as stars and galaxies, functioned in predictable ways, then astronomers might have a pretty good grasp on what is going on out there. Recent observations made with these fancy new observatories however, have revealed a plethora of unexpected and unexplained phenomena. Vast numbers of objects which should act in similar ways, all seem to be doing their own thing. Read the rest of this entry »
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It’s a scary place out there. Dangerous rays and strange bodies make deep space a good place to avoid. The Hubble Space Telescope (functioning since late 1993), and other observatory satellites like the Compton Gamma Ray Observatory or CGRO (launched April 5, 1991), and Rossi X-Ray Timing Explorer or XTE (launched December 30, 1995) and Beppo-SAX (launched April 20, 1996), have provided us with an information overload when it comes to the wonders of space. If each type of body in space, such as stars and galaxies, functioned in predictable ways, then astronomers might have a pretty good grasp on what is going on out there. Recent observations made with these fancy new observatories however, have revealed a plethora of unexpected and unexplained phenomena. Vast numbers of objects which should act in similar ways, all seem to be doing their own thing. Read the rest of this entry »
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It’s a scary place out there. Dangerous rays and strange bodies make deep space a good place to avoid. The Hubble Space Telescope (functioning since late 1993), and other observatory satellites like the Compton Gamma Ray Observatory or CGRO (launched April 5, 1991), and Rossi X-Ray Timing Explorer or XTE (launched December 30, 1995) and Beppo-SAX (launched April 20, 1996), have provided us with an information overload when it comes to the wonders of space. If each type of body in space, such as stars and galaxies, functioned in predictable ways, then astronomers might have a pretty good grasp on what is going on out there. Recent observations made with these fancy new observatories however, have revealed a plethora of unexpected and unexplained phenomena. Vast numbers of objects which should act in similar ways, all seem to be doing their own thing. Read the rest of this entry »
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It’s a scary place out there. Dangerous rays and strange bodies make deep space a good place to avoid. The Hubble Space Telescope (functioning since late 1993), and other observatory satellites like the Compton Gamma Ray Observatory or CGRO (launched April 5, 1991), and Rossi X-Ray Timing Explorer or XTE (launched December 30, 1995) and Beppo-SAX (launched April 20, 1996), have provided us with an information overload when it comes to the wonders of space. If each type of body in space, such as stars and galaxies, functioned in predictable ways, then astronomers might have a pretty good grasp on what is going on out there. Recent observations made with these fancy new observatories however, have revealed a plethora of unexpected and unexplained phenomena. Vast numbers of objects which should act in similar ways, all seem to be doing their own thing. Read the rest of this entry »
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