Multi-Wavelength Observations of Coronal Structure and Dynamics (Cospar)
Publisher: Pergamon
Published: October 1, 2002
Language: eng
Number of pages: 560
ISBN-13: 9780080440606
First sentence: The existence of coronal holes was first recognized by Waldmeier (1957, 1975), who noticed long-lived regions of negligible intensity in coronagraphic images of the 5303 A green line.