Wednesday, August 28, 2024
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Lisa
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In 1610, Galileo's telescope revealed that the milky smear across the night sky is not a nebula but a field of tiny stars. Immanuel Kent guessed that the stars form a rotating disk and that the Earth is inside it.
Saturday, August 24, 2024
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Lisa
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It's dark at 7pm now
Saturday, August 17, 2024
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Lisa
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I saw neither meteors nor auroras from my yard. I'd like to speak with the manager.
Wednesday, August 14, 2024
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Lisa
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A dense ball of 10.5 million stars, Omega Centauri is the biggest and brightest of about 200 globular clusters in the Milky Way galaxy. The average distance between its stars is just one tenth of a light year.
Saturday, August 10, 2024
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Lisa
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Amazing how much better the garden looks when it rains
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Lisa
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It's Too Hot
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Lisa
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Comet Encke was "discovered" in 1786, 1795,1805, and 1818 by different astronomers. These comets were found to be the same only after orbital calculations in 1819 by the German astronomer Johann Encke, who then predicted its return in 1822.
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Lisa
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Floating in an inner tube on a pond in Maine
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Lisa
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Watch Out For Trees
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Lisa
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Retrograde motion is an effect of changing perspective. Inferior planets Mercury and Venus show retrograde motion on either side of inferior conjunction. They "overtake" Earth as they pass between Earth and the Sun.
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Lisa
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Is it Massachusetts or Florida outside?
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Lisa
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Planespotting Tales
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Lisa
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First discovered in 1826, the Bug Nebula is one of the brightest planetary nebulae. The central star is thought to have an extremely high temperature, and its intense heat lights up the surrounding stellar material.
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Lisa
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Lisa's college radio career turns 35 today
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Lisa
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Summer Solstice happened on Thursday at 4:50pm. It was the earliest solstice since 1796.
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Lisa
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RCW 49 is one of the most productive regions of star formation to have been found in the Milky Way. It spans a distance of about 350 light-years, and it is thought that over 2200 stars reside within it.
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Lisa
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Heat Dome Incoming
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Lisa
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Somebody is eating the succulents out in the yard. Probably not the rabbits, we have a neighborhood fox now.
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Lisa
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Camelopardalis is a dim constellation of the far northern sky, representing a giraffe. The giraffe's long neck can be visualized as stretching around the north celestial pole toward Ursa Minor and Draco.
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Lisa
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Hope you are out enjoying this day!
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Lisa
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Memorial Day weekend, it's the official start of the summer season so get the tomatoes in the ground and the white shoes out of the closet
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Lisa
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The Horsehead Nebula is lit by a quintuple star system that bathes the clouds in UV light. Sigma Ordonis A and B are an orbiting pair of blue stars; C,D, and E will eventually spin off as solo stars
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Lisa
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Well today certainly turned out to be yucky
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Lisa
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Have started the planting cycle. Probably cheaper than a gym membership.
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Lisa
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NASA has created a visualization of what it would be like to fall into a black hole. It is worth those 40 seconds of your life.
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Lisa
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How about those Celtics?
