The Astronomical Calendar is back! It was popular as a printed book from 1974 to 2016, used by thousands of sky-lovers in more than 100 countries. It then continued as an electronic book. For 2023 onward it has reappeared, in both forms, printed and electronic. Printed book: $22 (it was $29.95 for the previous printed … Continue reading "Astronomical Calendar 2025"| Universal Workshop
Use this “handy” guide to measure degrees – or sky measurements – on the dome of the sky. Image via timeanddate.com. Used with permission.How do you describe how far apart something is in the sky? The fact is, the handiest measuring stick for the sky’s dome is the one on the end of your arm. You can use the width of your pinky, fist and more to gauge the distance between sky objects. That comes in handy when you’re observing conjunctions between planets, or close planets and stars...| EarthSky