Lesson plan
Berkeley 87
Berkeley 87 is an open cluster in a heavily obscured region of the Milky Way in Cygnus. The rare WO type Wolf–Rayet star WR 142 is a member of Berkeley 87. This cluster contains HD 229059, which, as of August 2021, is the nearest known star to Earth with a bolometric luminosity greater than 1 million .
Article summary
Berkeley 87 is an open cluster in a heavily obscured region of the Milky Way in Cygnus. The rare WO type Wolf–Rayet star WR 142 is a member of Berkeley 87. This cluster contains HD 229059, which, as of August 2021, is the nearest known star to Earth with a bolometric luminosity greater than 1 million .
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.