Vesto Slipher

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/vesto-slipher

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 Vesto Slipher born?November 11, 1875
2. When did Vesto Slipher die?November 8, 1969
3. What is the career?Astronomer at Lowell Observatory (1901-1954), Director (1916-1954)
4. What is the related topics?Cosmology, Hubble's Law, Doppler Effect, Spectroscopy

Radial Velocity: The component of an object's velocity directed along the line of sight between the object and the observer.
Redshift: The phenomenon where electromagnetic radiation from an object undergoes an increase in wavelength, typically indicating recession.
Spectroscopy: The branch of science concerned with the investigation of spectra produced when matter interacts with or emits electromagnetic radiation.
Cosmology: The scientific study of the origin, evolution, and eventual fate of the universe.