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Terms for subject
Astronomy
(260 entries)
HC
Harvard Circular
HCO
Harvard College Observatory
HD
Henry-Draper-Katalog
HdAp
Handbuch der Astrophysik
HdBAA
Handbook of the British Astronomical Association
HdPh
Handbuch der Physik
He
Helium
HGD
Harvard-Groningen Durchmusterung
HRD
Hertzsprung-Russell-Diagramm
HRP
Harvard Revised Photometry
HSR
Harvard Standard Regions
i
Neigung der Bahnebene
i
Neigungswinkel zwischen der Tangentialebene und der Äquatorebene des Systems
IAF
Internationale Astronautische Föderation
IAG
International Association of Geodesy
IAGA
International Association of Geomagnetism and Aeronomy
IAU
Internationale Astronomische Union
IC
Index Catalogue
ICSU
International Council of Scientific llnions
IDS
Index Catalogue of Double Stars
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