Michael Zeilik (1946–2022) was a professor of

astronomy Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest includ ...

at the

University of New Mexico The University of New Mexico (UNM; ) is a public research university in Albuquerque, New Mexico, United States. Founded in 1889 by the New Mexico Territorial Legislature, it is the state's second oldest university, a flagship university in th ...

. His main research interests were the study of

H II region An H II region is a region of interstellar atomic hydrogen that is ionized. It is typically in a molecular cloud of partially ionized gas in which star formation has recently taken place, with a size ranging from one to hundreds of light year ...

s at different wavelengths; the light curves of

RS Canum Venaticorum variable An RS Canum Venaticorum variable is a type of variable star. The variable type consists of close binary stars having active chromospheres which can cause large stellar spots. These spots are believed to cause variations in their observed luminosity. ...

s; and the

ethnoastronomy Archaeoastronomy (also spelled archeoastronomy) is the interdisciplinary or multidisciplinary study of how people in the past "have understood the phenomena in the sky, how they used these phenomena and what role the sky played in their cultur ...

of the

Puebloans The Pueblo peoples are Native Americans in the United States, Native Americans in the Southwestern United States who share common agricultural, material, and religious practices. Among the currently inhabited Pueblos, Taos Pueblo, Taos, San Il ...

. He also wrote astronomy textbooks which were the best-selling in the world for a period. These included: * ''Astronomy: The Evolving Universe'' * ''Conceptual Astronomy'' * ''Introduction to Astronomy & Astrophysics''

References

1946 births 2022 deaths American astronomers People from Bridgeport, Connecticut {{astronomer-stub