When it comes to locating objects in the night sky, how does one convey its precise position? The sky is divided into a scattered pattern of 88 constellations of various sizes and shapes covering ...
Starlust on MSN
Comet 3I/ATLAS is just days away from its closest approach to Earth—latest coordinates and viewing tips
The comet's closest approach to Earth will occur on Friday, December 19, 2025, when it will pass at a distance of approximately 167 million miles.
The equatorial coordinate system projects Earth's latitude and longitude onto the celestial sphere, using declination (angular distance from the celestial equator, measured in degrees) and right ...
Right ascension, a celestial coordinate dating back to Hipparchus, measures the east-west position of celestial objects along the celestial equator, starting from the vernal equinox. Right ascension, ...
ABSTRACT The Amateur Sky Survey (TASS) is a loose confederation of amateur and professional astronomers. We describe the design and construction of our Mark IV systems, a set of wide‐field telescopes ...
The only reason such a detailed eclipse record survives is that ancient Chinese scholars believed unusual celestial phenomena ...
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Michael's Miscellany: Coordinates
Today, I want to talk about the equatorial coordinate system. Start with this: What if we could project Earth's coordinates of longitude and latitude into the sky? Latitude wouldn't be a problem, but ...
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