Space sciences
notation: QB495-QB500.269
type: Concept

Astronautics in astronomy
type: Concept
related: Space astronomy

Space astronomy
broader: Space sciences
broader: Astronomy
created: 1986-02-11T00:00:00
type: Concept
member: collection LCSH General
member: collection LCSHAuthorizedHeadings
in scheme: lcsh
notation: QB136
related: Astronautics in astronomy

Astronomy
notation: QB
type: Concept