THE PLANETARY NEBULAE
Donald H. Menzel
Abstract
Open-access reader
Donald H. Menzel
Abstract
Open-access reader
to maintain the constant radiation from Sun and stars.So far all attempts to solve this problem have raised more difficulties than they have cleared away, and Eddington, whose name is intimately associated with such progress as has been made in its investigation, is forced to conclude his most recent series of lectures on "the source of stellar energy" with the paragraph:
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to maintain the constant radiation from Sun and stars.So far all attempts to solve this problem have raised more difficulties than they have cleared away, and Eddington, whose name is intimately associated with such progress as has been made in its investigation, is forced to conclude his most recent series of lectures on "the source of stellar energy" with the paragraph:
Key concepts: Planetary nebula, Astronomy, Astrobiology, Physics, Astrophysics, Stars