Astronomy
Articles about stars, planets, space and the universe.
Despina (moon)
Despina — inner moon of Neptune
Dia (moon)
Dia (S/2000 J 11): an irregular prograde moon of Jupiter
Dione (moon)
Dione (Saturnian moon)
Dorado (constellation)
Double Cluster
Double Cluster (NGC 869 and NGC 884)
Draco (constellation)
Drake equation
Drake Equation: estimating communicative extraterrestrial civilizations
Dumbbell nebula
Dumbbell Nebula (Messier 27, NGC 6853)
Dune universe
Dwarf galaxy
Dwarf planet
Dwarf star
Dysnomia (moon)
Dyson sphere
Eagle nebula
Earth-crosser asteroid
Earth's orbit
Earth's orbit: path, characteristics, seasons and long-term variation
Eclipse
Eclipse (astronomy)
Ecliptic
Ecliptic — the plane of Earth's orbit and the Sun's apparent path
Eddington limit
Einstein's Cross
Einstein's Cross (QSO 2237+0305): the fourfold image of a distant quasar
Elara (moon)
Elliptical galaxy
Elliptical orbit
Elongation
Elongation (astronomy): angle, observation, and significance
Emission nebula
Emission nebula: glowing interstellar clouds ionized by nearby stars
Enceladus (moon)
Enceladus — Saturn’s bright, icy moon with active plumes
Ephemeris
A tabulated set of computed positions for celestial objects over time, used in astronomy, navigation and spaceflight to predict locations of planets, moons, comets and satellites.
Epimetheus (moon)
Epimetheus — co-orbital moon of Saturn
Epoch (astronomy)
Epsilon Aurigae
Epsilon Aurigae — a long-period eclipsing binary in Auriga
Epsilon Eridani
Epsilon Eridani: nearby K-type star with planets and debris
Epsilon Pegasi
Epsilon Pegasi (Enif) — orange supergiant star in Pegasus
Equinox
Equinox: Astronomical Definition, Seasonal Role, and Cultural Importance
Equuleus
Equuleus: the Little Horse constellation
Eridanus (constellation)
Erinome (moon)
Erinome (Jupiter XXV): an irregular, retrograde moon of Jupiter
Eris (dwarf planet)
Eris — distant trans-Neptunian dwarf planet
Erriapus (moon)
ESTCube-1
ESTCube-1: Estonia's first satellite (1U CubeSat)
Eta Carinae
Eta Carinae — a massive luminous blue variable in the Carina Nebula
Euanthe (moon)
Euanthe — a small irregular moon of Jupiter
Eukelade
Eukelade (Jupiter XLVII)
Euporie (moon)
Euporie (moon) — small retrograde satellite of Jupiter
Europa (moon)
European Southern Observatory
Eurydome (moon)
Eurydome (Jupiter moon)
Exosphere
Exosphere (outermost layer of a planetary atmosphere)