Documents Sailing: Plumb-line Navigation. Tony Crowley Please support the Africa Mercy hospital ship.

Signposts in the Sky The Art of Plumb-line Navigation Tony Crowley 1 Plumb-line Navigation Plumb-line navigation is an old method of finding a course or a bearing when two…

Documents EVOLUTION MODELS OF LOW METALLICITY STARS

EVOLUTION MODELS OF LOW METALLICITY STARS Georges Meynet, André Maeder, Sylvia Ekström Geneva Observatory Reionization at high redshift Spite et al. 2005 Cayrel et al.…