astronomer's
Belonging to stargazers
Astronomer's is the possessive form of astronomer—a scientist who studies celestial objects and phenomena.
The possessive marks something as belonging to or associated with such a person: an astronomer's telescope, the astronomer's calculations.
It also appears in set phrases like astronomer's notebook or an astronomer's life.
Visible overhead expanse
- starsLuminous celestial bodies
- planetsStar-orbiting celestial bodies
- galaxiesGravitationally bound stellar assemblies
- nebulaeInterstellar gas clouds
comets · asteroids · moons · constellations · celestial · night · viewing · charts
Instrument magnifying faraway objects
- spectrographWavelength-separating recording instrument
- CCDLight-sensitive imaging chip
- photometerDevice measuring illumination levels
- interferometerInstrument measuring wave interference
mount · eyepiece · dome · clock · mirror · lens · aperture · detector
Instrument magnifying faraway objects
- observatoryFacility for celestial study
- researchSystematic fact-finding effort
- peer-reviewedEvaluated by field experts
- journalRecord of daily events
findings · calculations · hypothesis · data · measurements · equipment · grants · publications
German astronomer's possessive
- ancientVery old indeed
- medievalOf the Middle Ages
- RenaissanceEuropean cultural reawakening
- PtolemaicEarth-centered astronomical system
heliocentric · geocentric · sextant · quadrant · manuscript · treatise · discovery · legacy
sky
Visible overhead expanse
- starsLuminous celestial bodies
- planetsStar-orbiting celestial bodies
- galaxiesGravitationally bound stellar assemblies
nebulae · comets · asteroids · moons · constellations · celestial · night · viewing · charts · coordinates
telescope
Instrument magnifying faraway objects
- spectrographWavelength-separating recording instrument
- CCDLight-sensitive imaging chip
- photometerDevice measuring illumination levels
interferometer · mount · eyepiece · dome · clock · mirror · lens · aperture · detector · filters
telescope
Instrument magnifying faraway objects
- observatoryFacility for celestial study
- researchSystematic fact-finding effort
- peer-reviewedEvaluated by field experts
journal · findings · calculations · hypothesis · data · measurements · equipment · grants · publications · fieldwork
Kepler's
German astronomer's possessive
- ancientVery old indeed
- medievalOf the Middle Ages
- RenaissanceEuropean cultural reawakening
Ptolemaic · heliocentric · geocentric · sextant · quadrant · manuscript · treatise · discovery · legacy · contributions
astronomer'sastrologer's
Of one casting horoscopes