Domains & Types » Astronomy » Celestial Object

Celestial Object

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Any object such as a star or nebula known to exist in the universe.. more

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Moon The Moon Filming location -12.74  
The Moon is the earth's companion satellite, though some astronomers believe that it approaches being a planet in its own right. The Moon is large enough for its gravity to affect the Earth, stabilising its orbit and producing the regular ebb and...
Fictional Setting
Location
Moon
Orbited body
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Mars mars.jpg Planet    
Mars is the fourth planet from the Sun in the Solar System. The planet is named after Mars, the Roman god of war. It is also referred to as the "Red Planet" because of its reddish appearance. Mars is a terrestrial planet with a thin atmosphere,...
Location
Fictional Setting
Orbited body
Orbit
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Venus The term Cytherean can be used to refer to things from or related to the planet Venus, pictured here Planet    
Venus (pronounced ) is the second-closest planet to the Sun, orbiting it every 224.7 Earth days. The planet is named after Venus, the Roman goddess of love. It is the brightest natural object in the night sky, except for the Moon, reaching an...
Location
Orbit
Natural satellite
Orbital Relationship
Mercury Reprocessed Mariner 10 image of Mercury Planet    
Mercury (pronounced ) is the innermost and smallest planet in the solar system (since Pluto was re-labelled as a dwarf planet), orbit the Sun once every 88 days. Mercury is bright when viewed from Earth, ranging from −2.0 to 5.5 in apparent...
Location
Orbit
Natural satellite
Orbital Relationship
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Jupiter Jupiter, a class I planet Planet    
Jupiter (pronounced ) is the fifth planet from the Sun and the largest planet within the Solar System. It is two and a half times as massive as all of the other planets in our Solar System combined. Jupiter is classified as a gas giant, along with...
Location
Fictional Setting
Orbit
Natural satellite
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Saturn The planet Saturn Planet   83.54°
Saturn is the sixth planet from the Sun and the second largest planet in the Solar System, after Jupiter. Saturn, along with Jupiter, Uranus and Neptune, is classified as a gas giant. Together, these four planets are sometimes referred to as the...
Location
Fictional Setting
Orbit
Natural satellite
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Neptune Neptune from Voyager 2 Planet    
Neptune (, AmE: ) is the eighth and farthest planet from the Sun in the Solar System. It is the fourth largest planet by diameter, and the third largest by mass. Neptune is 17 times the mass of Earth and is slightly more massive than its near-twin...
Location
Orbit
Natural satellite
Orbital Relationship
Earth The_Earth_seen_from_Apollo_17.jpg Location    
Earth (pronounced ) is the third planet from the Sun. Earth is the largest of the terrestrial planet in the Solar System in diameter, mass and density. It is also referred to as the Earth, Planet Earth, the World, and Terra. Home to millions of...
Planet
Fictional Setting
Statistical region
Orbited body
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Beta Ursae Majoris   Star    
Beta Ursae Majoris (β UMa / β Ursae Majoris) is a star in the constellation of Ursa Major. It also has the traditional name Merak. It is more familiar to northern hemisphere observers as one of the "pointer stars" in the Big Dipper, and a line...
Orbital Relationship
Polaris Star    
Polaris (α UMi / α Ursae Minoris / Alpha Ursae Minoris), more commonly known as the North(ern) Star or the Pole Star, and sometimes known as the Lodestar, is the brightest star in the constellation Ursa Minor. It is very close to the north celestial...
Uranus Uranus from space Planet    
Uranus ( or ) is the seventh planet from the Sun and the third-largest and fourth-most massive planet in the solar system. It is named after the ancient Greek deity of the sky (Uranus, ), the father of Kronos (Saturn) and grandfather of Zeus ...
Location
Orbit
Natural satellite
Orbital Relationship
Sun At the equator, the Sun provides approximately 1000 watts per square meter on Earth's surface Location    
The Sun is the star at the centre of the Solar System. The Earth and other matter (including other planet, asteroid, meteoroid, comet, and dust) orbit the Sun, which by itself accounts for about 99.8% of the Solar System's mass. Energy from the Sun...
Star
Orbited body
Orbit
Orbital Relationship
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GJ 388   Star    
GJ 388 is a red dwarf star. It is located relatively near our Sun, at a distance of 15.94 light year, in the constellation Leo.
Orbital Relationship
Epsilon Sagittarii   Star    
Epsilon Sagittarii (ε Sgr / ε Sagittarii) is a binary star that lies 144.64 light-year distant in the constellation Sagittarius. It has a faint, 14th magnitude companion, Epsilon Sagittarii B, 32 arcsecond distant. The star forms the base of the...
Orbital Relationship
J Centauri   Star    
J Centauri (J Cen) is a star in the constellation Centaurus. It is approximately 355 light year from Earth. J Centauri is a blue-white B-type main sequence dwarf with a mean apparent magnitude of +4.52. It is classified as a Beta Cephei type...
Orbital Relationship
Alpha Leporis   Star    
Alpha Leporis (α Lep / α Leporis) is the brightest star in the constellation Lepus. It also has the traditional name Arneb (hare in Arabic). Alpha Leporis is an older, dying star that may have already passed through a supergiant phase and is now...
Orbital Relationship
14 Herculis {{{nome}}}. Star    
14 Herculis is an orange dwarf star approximately 59 light-year away in the constellation Hercules. Because of its apparent magnitude, the star cannot be seen with the naked eye. As of 2006, it is though that 14 Herculis has two extrasolar planet in...
Procyon Star    
Procyon (α CMi / α Canis Minoris / Alpha Canis Minoris) is the brightest star in the constellation Canis Minor. To the naked eye, it appears to be a single star, the eighth brightest in the night sky with a visual apparent magnitude of 0.34. It is...
YZ Ceti   Star    
YZ Ceti is a red dwarf star in the constellation Cetus. Although it is relatively close to the Sun at just over 12 light year, this star can not be seen with the naked eye. It is classified as a flare star that undergoes intermittent fluctuations in...
Orbital Relationship
La Superba   Star    
La Superba (Y CVn / Y Canum Venaticorum) is a star in the constellation Canes Venatici, well-known for its strikingly red appearance. La Superba is a semi-regular variable star, peaking at about +4.8 mag and diminishing to around +6.3 over a 160...
Orbital Relationship
HD 224693   Star    
HD 224693 (also known as HIP 118319) is a yellow subgiant star approximately 307 light-year away in the constellation Cetus. As of 2006, an extrasolar planet is known to orbit HD 224693. HD 224693 b is an extrasolar planet orbiting its star...
Eta Ophiuchi   Star    
Eta Ophiuchi (η Oph / η Ophiuchi) is a star in the constellation Ophiuchus. It also has the traditional name Sabik. η Oph is actually a binary star system that is difficult to resolve in amateur telescopes but whose true nature has been determined...
Orbital Relationship
Chi1 Orionis   Star    
Chi Orionis (χ Ori / χ Orionis) is a star about 32 light year away from Earth. It is in the constellation Orion. χ Ori is a main sequence dwarf star of spectral type G0 V. It has a faint companion with an estimated mass of about 15% of the Sun, an...
Orbital Relationship
Gliese 673   Star    
Gliese 673 is a cool, orange dwarf star in the constellation Ophiuchus. The estimates of its stellar classification range from K5 to K7. Main sequence stars with this spectra have a mass in the range of 60-70% of a solar mass (comparable to the...
Orbital Relationship
Rho Cassiopeiae   Star    
Rho Cassiopeiae (ρ Cas / ρ Cassiopeiae) is a yellow hypergiant in the constellation Cassiopeia. It is about 11,650 light-year away, yet can still be seen by the naked eye (in the Northern Hemisphere only), as it is 550,000 times as luminous as the...
Orbital Relationship
HD 38529   Star    
HD 38529 (also known as HR 1988) is a binary star approximately 138 light-year away in the constellation of Orion. HD 38529 A is a yellow subgiant star, which has also been classified as a main sequence dwarf of spectral type G4V. It is about 40%...
82 Eridani   Star    
82 Eridani is a star about 20 light year away from Earth. It is in constellation Eridanus. It is a main sequence star of spectral type G5. 82 G. Eridani (often abbreviated "82 Eridani") is the 82nd star in Eridanus in the now-obscure catalog...
Rigel Rigel blue supergiant Star    
Rigel (β Orionis, beta Ori) is the brightest star in the constellation Orion and the sixth brightest star in the sky, with visual magnitude 0.18. Although it has the Bayer designation "beta", it is almost always brighter than Alpha Orionis ...
VV Cephei   Star    
VV Cephei is an eclipsing binary star system located in the constellation Cepheus, approximately 3,000 light years from Earth.A red supergiant fills the system's Roche lobe when closest to its companion blue star, the latter appearing to be on the...
Orbital Relationship
Iota Persei   Star    
Iota Persei (ι Per / ι Persei) is a main sequence dwarf star in the constellation Perseus. It is somewhat larger and greater in mass than the Sun, and is located about 34 light year distant. Iota Persei has a relatively high proper motion across the...