Air mass (astronomy)
Airglow
Antoniadi scale
Aperture
Apparent magnitude
Astronomical interferometer
Astronomical optical interferometry
Astronomical seeing
Astronomical spectroscopy
Astronomical survey
Astronomy on Mars
Atmospheric refraction
Blink comparator
Calar Alto Legacy Integral Field Area Survey
Coded aperture
Collimated light
Compton scattering
Coreshine
Cosmic background radiation
Cosmic microwave background
Deep-sky object
Earth-grazing fireball
Explorer 10
Extraterrestrial skies
Fizeau interferometer
Full moon
Gamma-ray astronomy
subject
Wikipage page ID
Wikipage revision ID
663,009,349
type
label
Observational astronomy
@en
sameAs
prefLabel
Observational astronomy
@en