David Hoag

High school (ages 12+)
Space & Astronomy

Name:

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/david-hoag

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. What is the career?Aerospace engineer specializing in advanced optical systems and instrumentation
2. What is the related topics?Optical engineering, space-based observatories, cosmology, astrophysics
3. Who is David Hoag?David Hoag is a scientist and engineer who helped build the Hubble Space Telescope.
4. What did David Hoag do for the Hubble Space Telescope?He worked on the optical design of the primary and secondary mirrors, making them super precise.

Optical Engineering: The design, development, and application of systems that use light to gather, transmit, or detect information.
Cosmological Constant: A term in Einstein's equations representing the energy density of empty space, related to the universe's expansion.
Spectrograph: An instrument that splits light into its component colors, allowing scientists to analyze its composition and properties.