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Latest Educational Articles
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ObservingMoon Occultation of Jupiter 2026: Daytime Viewing and September Event Guide
The Moon occulted Jupiter on September 8, 2026, during daylight for much of North America. Learn what happened, where occultations are visible and how to observe planets safely in daytime.
15 min read
Solar SystemSaturn's Decagonal Cloud: Hubble Finds a 10-Sided South Pole Structure
Hubble observations reveal a huge evolving 10-sided atmospheric wave around Saturn's south pole. Learn how the decagon differs from Saturn's north-pole hexagon and what may create it.
15 min read
Deep SpaceDo Black Holes Grow With the Universe? Expansion Theory Explained
Do black holes grow with the universe? Explore normal black-hole growth, cosmological coupling, evidence, objections, dark-energy claims and why early supermassive black holes became so large.
16 min read
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