Writing three books and countless articles, Lewis started in 1916 to reach out to a popular audience about the wonders of astronomy and earth science.

Her columns appeared in the New York Evening Sun, the Electrical Experimenter (later known as Science and Invention), Popular Astronomy, The Scientific Monthly, and the Astronomical Journal, among others.

Introducing her first article in Electrical Experimenter, editor Hugo Gernsback praised Lewis for her exactitude and learning, saying that she "has the rare faculty of interpreting difficult and dry subjects in a popular manner.

In addition, in "News of the Stars" she gave lectures on the local radio station (WRC) and made presentations at schools and churches.

Her new method for calculating solar eclipses allowed for a level of detail that could be used to understand the ionosphere.

[3] Lewis retired from service at the Naval Observatory in 1951 but continued to publish in newspapers and magazines until 1955.