Asaph Hall

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/asaph-hall

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 Asaph Hall born?October 15, 1829
2. Where was Asaph Hall born?Gosfield, Connecticut, USA
3. When did Asaph Hall die?November 22, 1907
4. What is Asaph Hall known for?Discovery of Mars's moons, Phobos and Deimos, in 1877
5. What is the observatory affiliation?United States Naval Observatory

Orbital Mechanics: The study of the motion of celestial bodies under the influence of gravity.
Celestial Mechanics: A branch of astronomy that deals with the motion of celestial bodies.
Opposition: The astronomical event when a planet is on the opposite side of Earth from the Sun.
Refractor Telescope: A telescope that uses lenses to gather and focus light.