The Oort Cloud: Crash Course Astronomy #22
Why the open web links it
Explains the Oort Cloud and its role in the solar system, part of a well-regarded educational astronomy series.
Linked by 6 independent sites, 3 of them widely read in the 2026-10 crawl of the open web, including libretexts.org, inaf.it, veteranstoday.com, dwhoard.com, handsonsciencefun.com.