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- Thalassa_(moon) density "1200.0".
- Thalassa_(moon) mass "3.5".
- Thalassa_(moon) orbitalPeriod "6.0E-8".
- Thalassa_(moon) temperature "51.0".
- Thalassa_(moon) volume "2.9".
- Thalassa_(moon) abstract "Thalassa (/θəˈlæsə/ thə-LASS-ə; Greek: Θάλασσα), also known as Neptune IV, is the second innermost satellite of Neptune. Thalassa was named after sea goddess Thalassa, a daughter of Aether and Hemera from Greek mythology. "Thalassa" is also the Greek word for "sea".Thalassa was discovered sometime before mid-September 1989 from the images taken by the Voyager 2 probe. It was given the temporary designation S/1989 N 5. The discovery was announced (IAUC 4867) on September 29, 1989, but the text only talks of "25 frames taken over 11 days", giving a discovery date of sometime before September 18. The name was given on 16 September 1991.Thalassa is irregularly shaped and shows no sign of any geological modification. It is likely that it is a rubble pile re-accreted from fragments of Neptune's original satellites, which were smashed up by perturbations from Triton soon after that moon's capture into a very eccentric initial orbit. Unusually for irregular bodies, it appears to be roughly disk-shaped.Since the Thalassian orbit is below Neptune's synchronous orbit radius, it is slowly spiralling inward due to tidal deceleration and may eventually impact Neptune's atmosphere, or break up into a planetary ring upon passing its Roche limit due to tidal stretching. Relatively soon after, the spreading debris may impinge upon Despina's orbit.".
- Thalassa_(moon) albedo "0.09".
- Thalassa_(moon) apparentMagnitude "23.3".
- Thalassa_(moon) density "1200.0".
- Thalassa_(moon) discoverer Richard_J._Terrile.
- Thalassa_(moon) epoch "18 August 1989".
- Thalassa_(moon) mass "3500.0".
- Thalassa_(moon) orbitalPeriod "0.005183999999999999".
- Thalassa_(moon) temperature "51.0".
- Thalassa_(moon) thumbnail Naiad_Voyager.png?width=300.
- Thalassa_(moon) volume "2.9E9".
- Thalassa_(moon) wikiPageExternalLink solarsystem.nasa.gov.
- Thalassa_(moon) wikiPageExternalLink profile.cfm?Object=Nep_Thalassa.
- Thalassa_(moon) wikiPageExternalLink nepsatdata.html.
- Thalassa_(moon) wikiPageID "573209".
- Thalassa_(moon) wikiPageRevisionID "564553509".
- Thalassa_(moon) albedo "0.09".
- Thalassa_(moon) axialTilt "zero".
- Thalassa_(moon) caption "Naiad or Thalassa as seen by Voyager 2".
- Thalassa_(moon) density "~1.2 g/cm³".
- Thalassa_(moon) dimensions "108".
- Thalassa_(moon) discovered "September 1989".
- Thalassa_(moon) discoverer "Richard J. Terrile and Voyager Imaging Team".
- Thalassa_(moon) discovery "yes".
- Thalassa_(moon) eccentricity "2.0E-4".
- Thalassa_(moon) epoch "1989-08-18".
- Thalassa_(moon) hasPhotoCollection Thalassa_(moon).
- Thalassa_(moon) magnitude "23.3".
- Thalassa_(moon) mass "~3.5 kg".
- Thalassa_(moon) meanRadius "41".
- Thalassa_(moon) name "Thalassa".
- Thalassa_(moon) note "no".
- Thalassa_(moon) period "0.005183999999999999".
- Thalassa_(moon) physicalCharacteristics "yes".
- Thalassa_(moon) rotation Tidal_locking.
- Thalassa_(moon) satelliteOf Neptune.
- Thalassa_(moon) semimajor "50075".
- Thalassa_(moon) singleTemperature "~51 K mean".
- Thalassa_(moon) volume "~2.9km³".
- Thalassa_(moon) subject Category:Astronomical_objects_discovered_in_1989.
- Thalassa_(moon) subject Category:Moons_of_Neptune.
- Thalassa_(moon) type AstronomicalObjectsDiscoveredIn1989.
- Thalassa_(moon) type CelestialBody109239740.
- Thalassa_(moon) type NaturalObject100019128.
- Thalassa_(moon) type Object100002684.
- Thalassa_(moon) type PhysicalEntity100001930.
- Thalassa_(moon) type Planet109394007.
- Thalassa_(moon) type Whole100003553.
- Thalassa_(moon) type CelestialBody.
- Thalassa_(moon) type Planet.
- Thalassa_(moon) type PhysicalBody.
- Thalassa_(moon) comment "Thalassa (/θəˈlæsə/ thə-LASS-ə; Greek: Θάλασσα), also known as Neptune IV, is the second innermost satellite of Neptune. Thalassa was named after sea goddess Thalassa, a daughter of Aether and Hemera from Greek mythology. "Thalassa" is also the Greek word for "sea".Thalassa was discovered sometime before mid-September 1989 from the images taken by the Voyager 2 probe. It was given the temporary designation S/1989 N 5.".
- Thalassa_(moon) label "Talasa (satélite)".
- Thalassa_(moon) label "Talassa (astronomia)".
- Thalassa_(moon) label "Talassa (księżyc)".
- Thalassa_(moon) label "Talassa (satélite)".
- Thalassa_(moon) label "Thalassa (Mond)".
- Thalassa_(moon) label "Thalassa (lune)".
- Thalassa_(moon) label "Thalassa (maan)".
- Thalassa_(moon) label "Thalassa (moon)".
- Thalassa_(moon) label "Таласса (спутник)".
- Thalassa_(moon) label "タラッサ (衛星)".
- Thalassa_(moon) label "海卫四".
- Thalassa_(moon) sameAs Thalassa_(měsíc).
- Thalassa_(moon) sameAs Thalassa_(Mond).
- Thalassa_(moon) sameAs Θάλασσα_(δορυφόρος).
- Thalassa_(moon) sameAs Talasa_(satélite).
- Thalassa_(moon) sameAs Thalassa_(lune).
- Thalassa_(moon) sameAs Talassa_(astronomia).
- Thalassa_(moon) sameAs タラッサ_(衛星).
- Thalassa_(moon) sameAs Thalassa_(maan).
- Thalassa_(moon) sameAs Talassa_(księżyc).
- Thalassa_(moon) sameAs Talassa_(satélite).
- Thalassa_(moon) sameAs m.02rfgk.
- Thalassa_(moon) sameAs Q19447.
- Thalassa_(moon) sameAs Q19447.
- Thalassa_(moon) sameAs Thalassa_(moon).
- Thalassa_(moon) wasDerivedFrom Thalassa_(moon)?oldid=564553509.
- Thalassa_(moon) depiction Naiad_Voyager.png.
- Thalassa_(moon) isPrimaryTopicOf Thalassa_(moon).
- Thalassa_(moon) name "Thalassa".