This dimension groups celestial objects by the constellation in which they appear in the sky. Wikipedia notes that in 1922 "the International Astronomical Union (IAU) formally accepted the modern list of 88 constellations," each covering its own fixed region of the sky. Browsing this way shows every notable object found within one constellation.
Constellation
Sources
NASA Solar System Exploration
Wikipedia (space and spaceflight articles)
Wikimedia FoundationContains: Oberon, Oberon (moon), Wikipedia summaryView the Source Milky Way (Wikipedia)
Alpha Centauri (Wikipedia)
TON 618 (Wikipedia)
Vega (Wikipedia)
99942 Apophis (Wikipedia)
Messier 87 (Wikipedia)
Wikipedia: Phobos (moon)
Arcturus (Wikipedia)
Antares (Wikipedia)
Wikipedia: Deimos (moon)
TRAPPIST-1 (Wikipedia)
Kepler-452b (Wikipedia)
Large Magellanic Cloud (Wikipedia)
Contains: Large Magellanic Cloud, Large Magellanic Cloud, Wikipedia summaryView the Source Rigel (Wikipedia)
Altair (Wikipedia)
Barnard's Star (Wikipedia)
Aldebaran (Wikipedia)
Triangulum Galaxy (Wikipedia)
Contains: Triangulum Galaxy, Triangulum Galaxy, Wikipedia summaryView the Source Cygnus X-1 (Wikipedia)
Eagle Nebula (Wikipedia)
486958 Arrokoth (Wikipedia)
Canopus (Wikipedia)
Wikipedia: Rhea (moon)
Helix Nebula (Wikipedia)
Wikipedia: Tethys (moon)
Deneb (Wikipedia)
Kepler-186f (Wikipedia)
UY Scuti (Wikipedia)
101955 Bennu (Wikipedia)
Proxima Centauri b (Wikipedia)
Contains: Proxima Centauri b, Proxima Centauri b, Wikipedia summaryView the Source Wikipedia: 16 Psyche
Whirlpool Galaxy (Wikipedia)
Contains: Whirlpool Galaxy, Whirlpool Galaxy, Wikipedia summaryView the Source 433 Eros (Wikipedia)
Eta Carinae (Wikipedia)
Wikipedia: Phoebe (moon)
Wikipedia: Hyperion (moon)
VY Canis Majoris (Wikipedia)
Contains: VY Canis Majoris, VY Canis Majoris, Wikipedia summaryView the Source Wikipedia: Dione (moon)
Ring Nebula (Wikipedia)
Sombrero Galaxy (Wikipedia)
Contains: Sombrero Galaxy, Sombrero Galaxy, Wikipedia summaryView the Source Carina Nebula (Wikipedia)
Wikipedia: 3 Juno
Cat's Eye Nebula (Wikipedia)
Contains: Cat's Eye Nebula, Cat's Eye Nebula, Wikipedia summaryView the Source Horsehead Nebula (Wikipedia)
Contains: Horsehead Nebula, Horsehead Nebula, Wikipedia summaryView the Source Wikipedia: Pollux (star)
Wikipedia: Ariel (moon)
Centaurus A (Wikipedia)
TRAPPIST-1e (Wikipedia)
Pinwheel Galaxy (Wikipedia)
Contains: Pinwheel Galaxy, Pinwheel Galaxy, Wikipedia summaryView the Source Small Magellanic Cloud (Wikipedia)
Contains: Small Magellanic Cloud, Small Magellanic Cloud, Wikipedia summaryView the Source Wikipedia: 10 Hygiea
Wolf 359 (Wikipedia)
162173 Ryugu (Wikipedia)
Umbriel (Wikipedia)
Tarantula Nebula (Wikipedia)
Contains: Tarantula Nebula, Tarantula Nebula, Wikipedia summaryView the Source 51 Pegasi b (Wikipedia)
Achernar (Wikipedia)
Comet Hyakutake (Wikipedia)
Contains: Comet Hyakutake, Comet Hyakutake, Wikipedia summaryView the Source WASP-12b (Wikipedia)
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