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Science Astronomy Astronomical objects

Astronomical objects

Notable exoplanets

Notable galaxies

Notable nebulae

Notable star clusters

Notable galaxy clusters

Notable transient events

Notable patches of universe

Other notable objects

Interstellar object passed near Earth in 2017

Large asteroid of the main asteroid belt

Large, ringed 200km centaur/comet with 50-year orbit

Interstellar comet passing through the Solar System, discovered in 2019

Brightest quasar from Earth located in the constellation Virgo

Second-largest asteroid of the main asteroid belt

Globular cluster in the constellation Tucana

486958 Arrokoth

Kuiper belt object

Hot Jupiter orbiting 51 Pegasi

Extrasolar planet in the constellation Cancer

Star in the constellation Eridanus

Star in the constellation Crux

Star in the constellation Taurus

Family of programming languages

Star system in the Centaurus constellation

Brightest star in the constellation Aquila

Andromeda Galaxy

Barred spiral galaxy in the Local Group

Red supergiant star in the constellation Scorpius

Antennae Galaxies

Interacting galaxy in the constellation Corvus

Brightest star in the constellation Boötes

Fourth-largest moon of Uranus

Luminous infrared galaxy in the constellation Serpens

The circumstellar disk (accumulation of matter) in an orbit between those of Mars and Jupiter

Atmosphere of Jupiter

Layer of gases surrounding the planet Jupiter

Atmosphere of Mars

Layer of gases surrounding planet Mars

Atmosphere of Mercury

Composition and properties of the atmosphere of the innermost planet of the Solar System

Atmosphere of Pluto

Layer of gases surrounding the dwarf planet Pluto

Atmosphere of Uranus

Layer of gases surrounding the planet Uranus

Atmosphere of Venus

Dense and hot, the atmosphere of planet Venus is mostly CO2 with clouds of sulfuric acid

Red dwarf star about six light-years from Earth in the constellation Ophiuchus

Beehive Cluster

Open cluster in the constellation Cancer

Star system in the constellation of Centaurus

Second brightest star in the southern constellation of Pictor

Red supergiant star in the constellation of Orion

Active galaxy in the constellation Lacerta

An enormous, approximately spherical region of space, containing very few galaxies

BOSS Great Wall

The largest known galaxy wall

Brocchi's Cluster

Asterism of 10 stars in the constellation Vulpecula

Two colliding clusters of galaxies in constellation Carina

Callisto (moon)

Second-largest moon of Jupiter

Star in the constellation of Carina

Brightest star in the constellation Auriga

H II region in the constellation Carina

Carina–Sagittarius Arm

Spiral arm of the Milky Way Galaxy

Cartwheel Galaxy

A lenticular galaxy and ring galaxy in the constellation Sculptor

Supernova remnant in the constellation Cassiopeia

Star in the constellation Gemini

Cat's Eye Nebula

Planetary nebula in the constellation Draco

Radio galaxy in the Constellation Centaurus

Centaurus A/M83 Group

Group of galaxies in the constellations Centaurus, Hydra and Virgo

Ceres (dwarf planet)

Largest asteroid and dwarf planet

Largest natural satellite of Pluto

A layer in the Sun's atmosphere above the photosphere

Climate of Uranus

Anomaly in the cosmic microwave background

Coalsack Nebula

Dark nebula in the constellation Crux

Cluster of galaxies in the constellation Coma Berenices

Comet Hale–Bopp

Long-Period Comet

Comet Hyakutake

Comet that passed close to Earth in March 1996

Comet Shoemaker–Levy 9

Comet that collided with Jupiter

Coronal mass ejection

Ejecta from the Sun's corona

Supernova remnant in the constellation Taurus

Pulsar in the constellation Taurus

Variable star in the constellation Leo

Supernova remnant in the constellation Cygnus

Galactic X-ray source in the constellation Cygnus that is very likely a black hole

The smaller, outer, moon of Mars

Star in the constellation Cygnus

Dipole repeller

A center of effective repulsion in the large-scale flow of galaxies in the neighborhood of the Milky Way

Dumbbell Nebula

Planetary nebula in the constellation Vulpecula

Dysnomia (moon)

Open cluster in the constellation Serpens

Third planet from the Sun

Earthlight (astronomy)

Astronomical phenomenon

Trajectory of Earth around the Sun

Shadow that the Earth casts on its own atmosphere

Natural satellite (moon) orbiting Saturn

Epsilon Canis Majoris

Star in the constellation Canis Major

Epsilon Eridani

Star in the constellation Eridanus

Eris (dwarf planet)

Stellar system in the constellation Carina

Smallest Galilean moon of Jupiter

Far side of the Moon

Hemisphere of the Moon that always faces away from Earth

Star in the constellation Piscis Austrinus

Formation and evolution of the Solar System

Galaxy cluster in the constellation Fornax

Future of Earth

Long term extrapolated geological and biological changes

Galactic Center

Rotational center of the Milky Way galaxy

Four largest moons of Jupiter

Gamma Cassiopeiae

Star in the constellation Cassiopeia

Ganymede (moon)

Largest moon of Jupiter and in the Solar System

Interstellar cloud within the Milky Way Galaxy

Faint brightening of the night sky in the region of the antisolar point

Geological history of Mars

Physical evolution of the planet Mars

Geology of Mars

Scientific study of the surface, crust, and interior of the planet Mars

Geology of Mercury

Geologic structure and composition of planet Mercury

Geology of the Moon

Structure and composition of the Moon

Geology of Venus

Geological structure and composition of the second planet from the Sun

Giant-impact hypothesis

Theory of the formation of the Moon

Possible extrasolar planet in the constellation Libra

Gonggong (dwarf planet)

Dwarf planet in the scattered-disc

A partial ring of stars in the Milky Way galaxy

Great Attractor

An apparent gravitational anomaly at the center of the local Laniakea Supercluster

Great Dark Spot

Large storm in Neptune's atmosphere

A persistent storm in the atmosphere of Jupiter

Gravitational wave signal detected by the LIGO observatory on 17 August 2017

Short-period comet visible every 75–77 years

Extrasolar planet in the constellation Vulpecula

Extrasolar planet

Heliosphere (science fiction convention)

Non-typical galaxy in the constellation Serpens

Horsehead Nebula

Dark nebula in the constellation Orion

Hubble Deep Field

Multiple exposure image of deep space in the constellation Ursa Major

Hubble Ultra-Deep Field

Image of a small region of space in the constellation Fornax, containing ~10,000 galaxies

Large quasar group

Hyades (star cluster)

Open cluster in the constellation Taurus

Supergiant elliptical galaxy in the constellation Virgo

IC 342/Maffei Group

Group of galaxies

Internal structure of the Moon

Overview of the internal structure of the Moon

Interplanetary dust cloud

Cosmic dust in the space between the planets of the solar system

Interplanetary medium

Material which fills the Solar System

Innermost of the four Galilean moons of Jupiter

Fifth planet from the Sun

Asteroid sharing the orbit of Jupiter

Jupiter's North Pole

Exoplanet orbiting the red dwarf K2-18

Terrestrial exoplanet orbiting Kepler-186

Exoplanet orbiting around Kepler-22

Extrasolar planet

Extrasolar planet

Kepler's Supernova

Supernova visible from Earth in the 17th century

Kreutz sungrazer

Family of comets

Area of the Solar System beyond the planets, comprising small bodies

Emission nebula in Sagittarius

Hydrocarbon lakes on Titan, a moon of Saturn

Laniakea Supercluster

Galaxy supercluster

Large Magellanic Cloud

Satellite galaxy of the Milky Way

Star in the constellation Sagittarius

Scientific assessments on the microbial habitability of Mars

Cavity in the interstellar medium which contains the Local Interstellar Cloud

Group of galaxies that includes the Milky Way

Large, comparatively empty region of space

Local Interstellar Cloud

Interstellar cloud in the Milky Way Galaxy

Nearby extragalactic region of space

Empty region of space adjacent to the Local Group of galaxies.

Location of Earth

Location of the Earth in the Universe

Lunar south pole

Southernmost point on the Moon

Galaxy group in Ursa Major and Camelopardalis

Magellanic Clouds

Two dwarf galaxies orbiting the Milky Way

Magellanic Stream

High-velocity cloud of gas connecting the Large and the Small Magellanic Clouds

Magnetosphere of Jupiter

Cavity created in the solar wind

Magnetosphere of Saturn

Cavity in the solar wind the sixth planet creates

Dwarf planet in the Outer Solar System

Seyfert galaxy in the constellation Ursa Major

Blazar located in the constellation Ursa Major

Galaxy with a spectrum extending to the highest gamma rays.

MaRS Discovery District

Scientific research centre in Toronto

Martian polar ice caps

Polar water ice deposits on Mars

Mercury (planet)

First planet from the Sun

Spiral galaxy in the constellation Canes Venatici

Globular cluster in the constellation Hercules

Globular cluster in the constellation Pegasus

Globular cluster in Sagittarius

Globular cluster in Scorpius

Elliptical galaxy in the constellation Virgo

Open star cluster in the constellation of Scorpius

Barred spiral galaxy in the constellation Cetus

Spiral galaxy in the constellation Ursa Major

A starburst galaxy in the constellation Ursa Major

Barred spiral galaxy in the constellation Hydra

Elliptical galaxy in the Virgo Galaxy Cluster

Galaxy containing the Solar System

Star in the constellation Crux

Red-giant star Omicron Ceti

Natural satellite orbiting Earth

Moons of Haumea

Natural satellites orbiting dwarf planet Haumea

Moons of Jupiter

Natural satellites of the planet Jupiter

Natural satellites orbiting Mars

Moons of Neptune

Natural satellites of the planet Neptune

Natural satellite orbiting Pluto

Moons of Saturn

Natural satellites of the planet Saturn

Moons of Uranus

Natural satellites of the planet Uranus

Near side of the Moon

Hemisphere of the Moon facing the Earth

Nebular hypothesis

Astronomical theory that the Solar System formed from nebulous material

Regional-scale underwater ocean observatory running deep-water experiments

Seyfert galaxy in the constellation Perseus

Galaxy in the constellation Canes Venatici

Barred spiral galaxy in the constellation Centaurus

Seyfert galaxy in the constellation Boötes

Bipolar planetary nebula in the constellation Scorpius

Galaxy in the constellations Cepheus & Cygnus

Planetary nebula in the constellation Cygnus

Astrophysical model of planetary migration in the Solar System

Spiral arm of the Milky Way Galaxy

Martian volcano, tallest point on Mars

Globular cluster in the constellation Centaurus

Emission nebula in Sagittarius

Distant planetesimals in the Solar System

Orbit of the Moon

The Moon's circuit around the Earth

Origin of the Moon

How the Earth's moon was formed

Minor spiral arm of the Milky Way galaxy; contains the Solar System

Diffuse nebula in the constellation Orion

One of two major spiral arms of the Milky Way galaxy

Perseus Cluster

Galaxy cluster in the constellation Perseus

The larger, inner, moon of Mars

A star's outer shell from which light is radiated

Second-brightest star in the constellation of Puppis

Pinwheel Galaxy

Spiral galaxy in the constellation Ursa Major

Pisces–Cetus Supercluster Complex

A galaxy filament: largest known structures in universe: massive, thread-like formations

Hypothetical Solar System planet

Planets beyond Neptune

Hypothetical planets further than Neptune

Star cluster in the constellation of Taurus

Polaris (disambiguation)

Topics referred to by the same term

Star in the constellation Gemini

Japanese space probe launched in December 2014

Proxima Centauri

Star in Centaurus constellation

Proxima Centauri b

Extrasolar planet in the constellation Centaurus

Pulsar in the constellation Vulpecula

Cold classical Kuiper belt object

Super star cluster in the constellation Dorado

Star in the constellation Leo

Rho Ophiuchi cloud complex

Interstellar cloud

Star in the constellation Orion

Planetary nebula in Lyra

Rings of Jupiter

Rings of the planet Jupiter

Rings of Neptune

Rings of Saturn

Rings of Uranus

Planetary ring system of Uranus

Emission nebula in the constellation Monoceros

Radio source at the center of the Milky Way galaxy

A Supermassive black hole at the center of the Milky Way

A giant molecular cloud near the Milky Way's. center

Sagittarius Dwarf Spheroidal Galaxy

Satellite galaxies of the Milky Way

Galaxies bound to the Milky Way

Sixth planet from the Sun

Saturn's hexagon

Hexagonal cloud pattern around north pole of Saturn

Collection of bodies in the extreme Solar System

Sculptor Galaxy

Intermediate spiral galaxy in the constellation Sculptor

Scutum–Centaurus Arm

Spiral arm of the Milky Way Galaxy

Sedna (dwarf planet)

Distant, small body in the Solar System

Study of the surface and shape of the Moon

Shapley Supercluster

Largest concentration of galaxies in our local universe

Sirius Satellite Radio

Satellite radio service owned by Sirius XM

Small Magellanic Cloud

Dwarf irregular galaxy, satellite galaxy of the Milky Way

Supernova which formed the Crab Nebula, first observed in 1054

Supernova in the constellation Cassiopeia

Supernova in the NGC 5253 galaxy, first observed in 1972.

1987 supernova event in the constellation Dorado

Central region of the Sun

Periodic change in the Sun's activity

A sudden flash of increased brightness on the Sun

Neutrinos produced in the core of the sun through various nuclear fusion reactions

The planets and their moons that orbit around the Sun

Stream of charged particles released from stars

Sombrero Galaxy

Spiral galaxy in the constellation Virgo

South Pole Wall

Massive cosmic structure

Italian manufacturer of fuel injection systems

Aura of plasma that surrounds the Sun and other stars

Stephenson 2 DFK 1

Red supergiant star in the open cluster Stephenson 2

Star at the centre of the Solar System

Temporary phenomena on the Sun's photosphere

Tarantula Nebula

H II region in the constellation Dorado

Single star in the constellation Cetus

Hypothetical planet that impacted Earth and created the Moon

Largest moon of Saturn

The largest moon of Uranus

Trans-Neptunian object

Any object in the Solar System that orbits the Sun at a greater average distance than Neptune

Trapezium Cluster

Open cluster in the Orion Nebula in the constellation Orion

Ultra-cool red dwarf star in the constellation Aquarius

Triangulum Galaxy

Spiral galaxy in the constellation Triangulum

Emission nebula in the constellation Sagittarius

Largest moon of Neptune

Star in the constellation Hydra

Star in the constellation Scutum

Vega (disambiguation)

Topics referred to by the same term

Galaxy cluster in the constellation Virgo

Virgo Supercluster

Galactic supercluster containing the Virgo Cluster

Virgocentric flow

Preferred movement of Local Group galaxies towards the Virgo cluster caused by its overwhelming gravity, which separates bound objects from the Hubble flow of cosmic expansion

VY Canis Majoris

Star in the constellation Canis Major

Star-forming region in the constellation Serpens

Whirlpool Galaxy

Galaxy in the constellation Canes Venatici

WISE 0855−0714

Sub-brown dwarf located near Earth

Star in the constellation Ophiuchus

Zone of Avoidance

Area in the sky obscured by the Milky Way.