All Objects
All the objects you can explore in 3D in Galaxium: planets, moons, spacecraft, stars, nebulae, star clusters and galaxies.
- 47 Tucanae — Second-brightest globular cluster
- 51 Pegasi b — First exoplanet of a Sun-like star
- 55 Cancri e — A molten lava super-Earth
- Achernar — Most flattened star ever imaged
- Agb Star — Old star seeding space with carbon
- Aldebaran — Orange eye of Taurus the Bull
- Alpha Cen A — Sun-like star next door
- Alpha Cen B — Cooler half of the nearest pair
- Altair — Fast-spinning Summer Triangle star
- Andromeda Galaxy — Nearest large spiral galaxy
- Ant Nebula — Nebula with ant-shaped lobes
- Antares — Red supergiant heart of Scorpius
- Apophis — Will skim past Earth in 2029
- Arcturus — Fourth-brightest star in the sky
- Ariel — Bright, youthful-looking moon of Uranus
- Asteroid — Rocky leftover of planet formation
- Barnard's Star b — Planet of the closest single star
- Beehive — Naked-eye open cluster in Cancer
- Bennu — Asteroid sampled by OSIRIS-REx
- Betelgeuse — Red supergiant on Orion's shoulder
- Black Hole — Gravity from which nothing escapes
- Blue Supergiant — Hot, massive and fiercely bright
- Bode's Galaxy — Grand-design spiral in Ursa Major
- Brown Dwarf — Failed star, too light for fusion
- Butterfly Nebula — Winged nebula, scorching core
- Callisto — Jupiter's cratered outer moon
- Canopus — Second-brightest star in the sky
- Capella — Four stars masquerading as one
- Carbon Star — Deep-red giant rich in carbon
- Cassiopeia A — Brightest extrasolar radio source
- Castor — Sextuple star system in Gemini
- Cat's Eye Nebula — Richly structured nebula in Draco
- Centaurus A — Nearest active galactic nucleus
- Centaurus Cluster — Merging cluster in Centaurus
- Ceres — Dwarf planet of the asteroid belt
- Charon — Pluto's giant companion moon
- Cigar Galaxy — Starburst galaxy in overdrive
- Coma Cluster — Where dark matter was first seen
- Comet — Icy wanderer that grows tails
- Cosmic Web — Largest structure of the universe
- Crab Nebula — Remnant of supernova SN 1054
- Dark Nebula — Dust silhouette against the stars
- Deimos — Mars's smaller, outer moon
- Deneb — Distant beacon of the Summer Triangle
- Dione — Saturnian moon with bright ice cliffs
- Dumbbell Nebula — First planetary nebula discovered
- Dwarf Planet — Round world in a crowded orbit
- Earth — The only known world with life
- Emission Nebula — Gas glowing with its own light
- Enceladus — Icy moon venting its hidden ocean
- Epsilon Eridani b — Nearby gas giant in a young system
- Eris — Massive distant dwarf planet
- Eros — First near-Earth asteroid found
- Eskimo Nebula — Nebula like a face in a parka hood
- Eta Carinae — Unstable giant primed to explode
- Europa — Icy moon hiding a global ocean
- Exoplanet — A planet around another star
- Fornax Cluster — Second-nearest galaxy cluster
- Galaxy — Island of billions of stars
- Galaxy Cluster — Largest bound structures known
- Ganymede — Largest moon in the Solar System
- GJ 436 b — Hot Neptune with a comet-like tail
- GJ 876 b — Gas giant in a resonant system
- Globular Cluster — Ancient spherical swarm of stars
- Haumea — Fast-spinning, elongated dwarf planet
- HD 189733 b — Blue world of molten glass rain
- HD 209458 b — First transiting exoplanet seen
- Heliosphere — Solar wind's protective bubble
- Helix Nebula — Planetary nebula on our doorstep
- Hii Region — Gas ionized by newborn stars
- Horsehead Nebula — Iconic dark pillar in Orion
- Hourglass Nebula — A near-perfect cosmic hourglass
- Hyades — Nearest open cluster to the Sun
- Hydra Cluster — Compact southern galaxy cluster
- Hygiea — Largest carbonaceous asteroid
- Iapetus — Saturn's dramatic two-tone moon
- Ida — Asteroid with the first known moon
- International Space Station (ISS) — Humanity's outpost in orbit
- Io — Most volcanic world known
- Itokawa — First asteroid ever sampled
- James Webb Space Telescope — NASA infrared observatory at Sun-Earth L2
- Juno — Third asteroid ever discovered
- Jupiter — Largest planet in the Solar System
- Kepler's SNR — Remnant of supernova SN 1604
- Large Magellanic Cloud — Largest satellite of the Milky Way
- Lbv 1806 20 — Among the most luminous stars
- Little Dumbbell Nebula — Bipolar nebula in Perseus
- Local Group — Our home group of galaxies
- Local Superclusters — Our neighborhood of the cosmic web
- Lutetia — Asteroid flown past by Rosetta
- M13 — Great globular cluster in Hercules
- M22 — Nearby globular in Sagittarius
- M63 Sunflower — Spiral with soft, feathery arms
- M64 Black Eye — Galaxy with a dark eye of dust
- M83 — Bright barred spiral in Hydra
- M87 Virgo A — Hosts the first-imaged black hole
- Main Sequence Star — Star in its long, stable prime
- Makemake — Bright dwarf planet of the Kuiper Belt
- Mars — The cold red desert world
- Mathilde — Porous rubble-pile asteroid
- Mercury — Smallest and innermost planet
- Milky Way — Our home galaxy
- Mimas — Saturn's cratered Death Star moon
- Miranda — Uranian moon with towering ice cliffs
- Moon — Earth's only natural satellite
- Nancy Grace Roman Space Telescope — NASA infrared observatory traveling to Sun-Earth L2
- Natural Satellite — Any body orbiting a planet
- Nebula — Cloud of interstellar gas and dust
- Needle Galaxy — Thin edge-on spiral galaxy
- Neptune — Ice giant with the fastest winds
- Neutron Star — A sun squeezed to city size
- Nml Cygni — Red hypergiant of extreme size
- Norma Cluster — Heart of the Great Attractor
- Oberon — Outermost major moon of Uranus
- Observable Universe — Everything we can possibly see
- Omega Centauri — Largest globular of the Milky Way
- Open Cluster — Loose group of young sibling stars
- Orion Complex — Vast star-forming cloud in Orion
- Orion Nebula — Closest large stellar nursery
- Oumuamua — First known visitor from another star
- Owl Nebula — Nebula with owl-like dark eyes
- Pallas — Second asteroid ever discovered
- Peony Star — Ultra-luminous Wolf-Rayet star
- Perseus Cluster — Brightest X-ray cluster in the sky
- Perseverance — NASA rover exploring Jezero Crater
- Phobos — Doomed inner moon of Mars
- Pinwheel Galaxy — Spiral larger than the Milky Way
- Pistol Star — Blue hypergiant, hidden by dust
- Planet — Round world that cleared its orbit
- Planetary Nebula — Glowing shell shed by a dying star
- Pleiades — The Seven Sisters star cluster
- Pluto — Best-known dwarf planet
- Polaris — The current North Star
- Pollux — Brightest star in Gemini
- Procyon — Bright neighbor with a white dwarf
- Proxima Cen — Closest star to the Sun
- Pulsar — Cosmic lighthouse of radio pulses
- Quasar — Blazing heart of a distant galaxy
- Red Giant — Swollen star nearing its end
- Red Spider Nebula — Wind-carved bipolar nebula
- Red Supergiant — Among the largest stars known
- Reflection Nebula — Dust lit by scattered starlight
- Regulus — Fast-spinning heart of Leo
- Retina Nebula — Dusty torus seen edge-on
- Rhea — Saturn's second-largest moon
- Rigel — Blue supergiant at Orion's foot
- Ring Nebula — Celestial ring in Lyra
- Ryugu — Asteroid sampled by Hayabusa2
- Sagittarius A* — Our galaxy's central black hole
- Saturn — The ringed gas giant
- Saturn Nebula — Nebula with Saturn-like ansae
- Sedna — Remote world on a 11,000-year orbit
- Sirius — Brightest star in the night sky
- Small Magellanic Cloud — Dwarf companion of the Milky Way
- Sombrero Galaxy — Spiral with a dark dust-lane brim
- Spacecraft — Satellites to deep-space probes
- Spica — Close pair of hot blue stars
- Star — Fusion-powered ball of plasma
- Star Cluster — Stars born together, still bound
- Stephenson 2 18 — Possibly the largest known star
- Sun — Our star
- Supergiant — The most luminous class of stars
- Supernova Remnant — Expanding debris of a supernova
- Tethys — Icy moon split by a giant canyon
- Titan — Saturn's moon with seas and rain
- Titania — Largest moon of Uranus
- Trappist 1 — Home to seven Earth-sized worlds
- Triangulum Galaxy — Third-largest Local Group galaxy
- Triton — Captured moon with ice geysers
- Twin Jet Nebula — Twin jets from a dying star pair
- Tycho's SNR — Remnant of supernova SN 1572
- Umbriel — Dark and ancient moon of Uranus
- Upsilon Andromedae b — Hot Jupiter in a landmark system
- Uranus — The sideways ice giant
- Variable Star — Star of changing brightness
- Vega — Brightest star of Lyra
- Vela SNR — Nearby remnant, famous pulsar
- Venus — Earth's scorched greenhouse twin
- Vesta — Protoplanet of the asteroid belt
- Virgo Cluster — Nearest large galaxy cluster
- Voyager 1 — Most distant human-made object
- Voyager 2 — Toured all four giant planets
- Whirlpool Galaxy — First galaxy seen with spiral arms
- White Dwarf — Burnt-out core of a Sun-like star
- Wolf 1061 c — Possibly habitable super-Earth
- Wolf Rayet Star — Star blasting away its own layers
- Yellow Supergiant — Brief phase between blue and red