Career
A graduate of the University of Chicago, Huang began his career with the study of the continuous absorption coefficients of two-electron systems, but eventually his research focus turned to the study of stellar atmospheres, radiative transfer, and binary and multiple star systems In subsequent years, Huang began to cover the topic of life on extrasolar planets and the prerequisites thereof, coining the term "habitable zone" to refer to the region around a star where planets could support liquid water at their surfaces at a 1959 conference of the Astronomical Society of the Pacific. A native of China, Huang earned his master"s degree at Tsing Hua University, lecturing in astronomy at that institution from 1943 to 1947 before immigrating to the United States, earning a doctorate in astronomy from the University of Chicago in 1949.
After teaching astronomy at that institution for the two following years, Huang became an astronomer at the University of California, Berkeley, a position he stayed in before moving to the Goddard Space Flight Center in Maryland in 1959.
In 1964, Huang became professor of physics and astronomy at Northwestern University, though he stayed at Goddard until 1965. In his early years he studied two-electron systems, Huang later studied stellar atmospheres, radiative zones, and the dynamics of stars in binary or multiple star systems
Huang"s research into the physics of stars later led him to delineate the types of stars that could support extraterrestrial life, leading to his coining of the term "habitable zone" and eventually his study of planetary habitability in a 1960 paper on the sizes of habitable planets. Huang"s explorations into extraterrestrial life were also published in popular works, such as American Scientist and Scientific American.
Late in his life, Huang made two trips to China, in 1974 and 1977.
He died of a heart attack in Beijing during the latter trip, on September 15. Two years after his death, the then newly discovered main-belt asteroid 3014 Huangsushu was named in his honor.