On December and January evenings, Orion rises early and dominates the southern sky by mid-evening, making him the easiest ...
The article recounts the author's personal journey into astronomy, highlighting several influential beginner astronomy guidebooks from various eras, including "Stars: A Guide to the Constellations," ...
Imagining familiar images in the sky has always been an easy way to track the annual progress of the stars. Around the second century C.E., the Greek astronomer Claudius Ptolemy listed 48 “official” ...
If you explore the night sky it won't be long before you realize there is a lot of dust and gas up there. The interstellar dust between the stars accounts for 1% of the mass of the interstellar medium ...
Constellations through the ages -- Constellations of the zodiac -- An astronomy primer -- Watching the skies -- How this book is organized -- The greek alphabet -- Map of the northern sky -- Map of ...
One of the best places to study stars is inside "open clusters," which are groups of stars that formed together from the same material and are bound together through gravity. Subscribe to our ...
Stargazing over Pottsville is a bit of a tradeoff this month. The bad news is that sunsets in March are progressively later, and daylight saving time kicks in. The good news is that it is not as cold.
This map was made possible by Zhang and Green's measurement of the extinction curve towards an unprecedented number of stars—130 million, compared to previous works, which contained approximately 1 ...
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