Johannes Hevelius

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/johannes-hevelius

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 Johannes Hevelius born?January 28, 1611
2. Where was Johannes Hevelius born?Danzig (now Gdańsk, Poland)
3. What is the primary career?Astronomer and Civic Leader (Councillor and Mayor of Danzig)
4. What is the major astronomical works?Selenographia (1647) and Firmamentum Sobiescianum sive Uranometria (1690)
5. Who was Johannes Hevelius?Johannes Hevelius was a 17th‑century astronomer and mayor of Danzig, famous for mapping the Moon and discovering new constellations.
6. What did Hevelius do with the Moon?He drew detailed pictures of the Moon’s craters, mountains, and plains, and published the first complete atlas, "Selenographia," in 1647.

Lunar Topography: The scientific study and mapping of the physical features of the Moon's surface, including craters, mountains, and plains.
Constellations: Apparent patterns of stars in the night sky, officially defined by the International Astronomical Union, often named after mythological figures or animals.
Observational Astronomy: A branch of astronomy focused on gathering data through direct observation using telescopes and other instruments, rather than theoretical modeling.
Celestial Cartography: The art and science of mapping the celestial sphere, including stars, constellations, and other astronomical objects.