parsec
Số nhiều: parsecs
Từ liên quan
astronomydistancelight yearparallaxarcsecondstargalaxyuniversecosmosspacevacuumastrometrytelescopeobservatorymagnitudeluminosityredshiftspectrumphotonvelocityspeedorbittrajectorygravitymassdensitynebulaclustersuperclustervoidquasarpulsarblack holeevent horizonsingularitydark matterdark energyexpansioninflationbig bangmetriccoordinatedimensiongeometrytrigonometryangledegreeradianarcminutebaselinemeasurementscaleastronomical unitinterstellarintergalacticcosmologyastrophysicszenithnadirhorizonepoch