1 June 2000, 10:25, fish-eye image (diagonal = 180°). TDF is reached by strong ash fallout: the tephra column is so high in the atmosphere to perfectly simulate a total solar eclipse. |
1 June 2000, 10:25, fish-eye image (diagonal = 180°). TDF is reached by strong ash fallout: the tephra column is so high in the atmosphere to perfectly simulate a total solar eclipse. |