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“Dark Matter” is the raison d’être for what holds galaxies together. For the past couple of years, television and popular science articles have been capitalizing this popular theory. It came about because movements on a galactic scale found Newtons law of universal … Continue reading
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Why do the Orionids (meteor shower) always come from Orion’s arm pit, and only just before dawn? And what about the Leonids next month and the Geminids in December — how do they all know to come in those same … Continue reading
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We live by averages. Everything we see, touch, hear, and so on is an average of what’s really going on. It’s like trying to measure the width of a needle with a yardstick. Our senses are just too coarse to … Continue reading
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Curiosity, the biggest, heaviest and most complex rover, landed successfully on Mars this evening. To the scientists, engineers, managers, directors, vice presidential types, to the security guard at the front gate of JPL in Pasadena, the lady in HR that … Continue reading
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A parent, watching their child take its first steps, knows it may fall. As a result, we stand ready to catch them when they do. But the fact remains that the child does, indeed, stumble and fall. The parent limits … Continue reading
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Everything I can see, touch, hear, find in fossils or discern in the extreme reaches of the most distant super galaxies and quasars all tell me that everything changes according to “cause and effect”. Cause and Effect. Everything. The … Continue reading
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Previously in “Armchair Physics“, I said that if you were on-board a spacecraft that was under constant acceleration, you could continue to accelerate indefinitely. The “limit” of the speed of light is an observational, or relative to something else, limit. … Continue reading
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Taken with a tripod, manual exposure but, in the dark I didn’t record the settings, on a Fuji “too many controls” digital camera at “darn close” to the full moon moment. The image was cropped this morning and levels tweaked … Continue reading
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I love reading about physics, Einstein, mass and energy, and all that stuff. It takes me out of my mundane life, away from the day to day problems and deep into interstellar space. Cool! Einstein was noted for his thought … Continue reading