by James N. Pierce
Number of pages: 134
Elementary Astronomy is a book written specifically for teachers (and parents) of students in grades K-6. The astronomy topics it covers are those most commonly found in these grade levels: Earth and Sun; night and day; seasons; phases of the Moon; eclipses; the solar system; planets; the night sky; constellations.
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by Charles J. White - J. Wiley
I present the main principles of Astronomy in a form adapted to the elementary course of instruction which is commonly given at colleges and the higher grades of academies. I selected those topics which seemed to me to be the most important.
by Forest Ray Moulton - The MacMillan Company
It has been assumed that the reader has an interest in the wonderful universe which surrounds him, and that he has arrived at such a stage of intellectual development that he demands the reasons for whatever conclusions he is asked to accept.
by Martin V. Zombeck - Cambridge University Press
This handbook is an essential reference for space astronomy and astrophysics. It covers topics such as atomic physics, nuclear physics, relativity, plasma physics, electromagnetism, mathematics, probability and statistics, and geophysics.
This website surveys the entire extent of the universe touching upon phenomenon from the largest to the smallest size and covering the entire cosmic interval. It presents observations as well as the theories which explains the phenomena.