Biospheres: Reproducing Planet Earth

Lisa R. Parker

Dorion Sagan’s 1990 paperback Biospheres: Reproducing Planet Earth (McGraw-Hill Publishing, ISBN 0-553-28883-0) does more than deliver a unique vision of the planet’s life support system. It also challenges the traditional view of humanity as the dominant feature of life on Earth. Perhaps that is no less than should be expected […]

History Related to Feng Shui

Lisa R. Parker

In ancient times it was known that the king who was named “Di Ku” and was famous as he knew and was quite well versed in the study and subject of astronomy. He was known to make most of his decisions based on careful study and consultation of the stars […]

An Astronomer’s View of the Universe

Lisa R. Parker

Although increasing advanced astronomy methods have yet to accurately determine the time and manner of the universe’s creation, observation of galaxies many billions of years old has enabled cosmologists to deconstruct the process, whose catalyst, designated the “Big Bang Theory,” occurred approximately 15 billion years ago. The origin, not necessarily […]

Small Black Holes Haunt Spacetime

Lisa R. Parker

The Cosmic Zoo is filled with exotic inhabitants that frequently challenge the limits of the human imagination. Of these strange beasts, black holes certainly rank as some of the most mysterious, as well as enticing, entities. As a result, they have captivated scientists for years with their irresistible Sirens’ Song […]

The Value of Cooperative Learning

Lisa R. Parker

As teachers, we tend to present material to our classes in the form of the results of our discipline’s work. We collect the data, do the reading and synthesize the material into a finished product. Students, in their assignments and exams, are generally expected to demonstrate that they have learned […]

Ring Around Haumea: Pluto’s Peculiar Neighbor

Lisa R. Parker

Far from our fiery Star, and well-hidden from our view in a distant region of perpetual twilight, there lies a belt composed of icy, frozen objects. Located beyond the orbit of the deep-blue, banded, ice-giant planet, Neptune–the most distant known major planet from our Sun–this myriad of strange objects, composed […]