The phase of the Moon on December 21 depends on the year, because the Moon’s cycle does not align neatly with our calendar. In astronomical terms, the Moon phase for December...
Read articleTopic Hub
science-and-astronomy
Explore 4 published pages in the science-and-astronomy topic hub, grouped to strengthen topical relevance, internal discovery, and crawlable archive navigation.
Cluster Articles
Pages linked into this editorial category.
Understanding the December 21 Moon Phase
When Is the Next Triple Conjunction: Dates, Science, and How to Observe
A triple conjunction is an astronomical pattern in which two planets and the Moon (or sometimes two planets and a bright star) appear to meet in the sky on three separate occasi...
Read articleWhen will the next total solar eclipse occur?
A total solar eclipse happens when the Moon fully covers the Sun, and the timing depends on your location relative of the Moon’s shadow path. The next widely visible total ecl...
Read articleUnderstanding a Blood Moon Total Lunar Eclipse: Science and Astrology
A blood moon total lunar eclipse occurs when the Moon passes fully into Earth's shadow and takes on a reddish hue, an event that is widely discussed in both astronomy and astrol...
Read article