dissipated energy / red giant / Online Store / chemical composition / high-energy regions / important astronomical tool / binary systems / energy / /
MusicGroup
Illustration / /
OperatingSystem
Cygnus / /
Organization
National Science Foundation / Harvard / National Aeronautics and Space Administration / Universe / American Association of Variable Star Observers / Chandra X-Ray mission / National Earth Science Teachers Association / /
Person
Chi Cyg / Julian Day / Chandra Figure / Henry Norris Russell / Chandra Page / Chandra Poster / Chandra Ejnar Hertzsprung / /
Position
Author / HB / Artist / National Science Olympiad astronomy event supervisor / General / The Earth Scientist / /
Page 20 The Earth Scientist Pulsating Variable Stars and The HertzsprungRussell Diagram