Presenting the Celestron Origin Home Observatory
The Origin captures multiple hues of the hydrogen gas and dust within the emission nebula M8, also known as the ...
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What’s in the southern sky this month?
Credit: NASA Goddard Space Flight Center/Space Telescope Science Institute You don’t want to miss Jupiter this month. The giant planet ...
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Is it time to rename the Hubble constant?
Slipher’s spectral measurements of the Andromeda and Sombrero spiral nebulae, as they were called at the time, showed these objects ...
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Does dark matter affect our solar system?
Back to Article List From the December 2024 issue Dark matter does pervade the solar system like an invisible fog. ...
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Festive astronomy products for everyone on your list
Back to Article List From the December 2024 issue Check out the newest telescopes, accessories, books, and more from the ...
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December 2024: What’s in the sky this month? Jupiter reaches its best Northern Hemisphere opposition in a decade
Jupiter reaches its best apparition in a decade for northern observers and offers a wealth of detail. Joining in late ...
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How long would it take for an observer using binoculars to notice the Moon’s terminator moving?
Back to Article List From the January 2016 issue At the Moon’s average distance, it would take about four hours ...
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How big is Earth's orbit around the Sun?
Back to Article List From the November 2024 issue Earthâ€s orbit around the Sun is not circular, but an ellipse. ...
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