Problems of the solar atmosphere
by Donald Howard Menzel, Cecilia Payne-Gaposchkin, Fred Lawrence Whipple, Dorrit Hoffleit
Writing a summary for young readers…
For young readers
Book data: Open Library
by Donald Howard Menzel, Cecilia Payne-Gaposchkin, Fred Lawrence Whipple, Dorrit Hoffleit
Book data: Open Library