James Challis

High school (ages 12+)
Space & Astronomy

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/james-challis

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. When was James Challis born?December 12, 1803
2. Where was James Challis born?Cambridge, England
3. When did James Challis die?December 3, 1882
4. What is the academic position?Plumian Professor of Astronomy and Experimental Philosophy, University of Cambridge
5. What is the observatory role?Director of the Cambridge Observatory
6. Who was James Challis?James Challis was a British astronomer and professor at the University of Cambridge. He studied the sky and taught future scientists.

Epistemology: The branch of philosophy concerned with the theory of knowledge, especially its methods, validity, and scope.
Experimental Philosophy: An early term for natural science, emphasizing empirical observation and experimentation.
Orbital Anomalies: Deviations in the expected path or motion of a celestial body, often indicating the influence of unseen forces.