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Moon

Europa

Europa is one of the four Galilean moons of Jupiter, covered by a shell of water ice.

Type
Moon
Domain
Scientific connections
Connections
15

Image data: NASA/JPL-Caltech/SwRI/MSSS Image processing: Brian Swift CC BY 3.0 · NASA media (public domain)

Simulated View of Thermal Emissions from Europa
Simulated View of Thermal Emissions from Europa · NASA/JPL-Caltech/ASU/SwRI

Experience system V6

Satellite world profile

A moon-first layout that links the body to its parent planet, orbital context, geology, and mission evidence when available.

Moon orbitSurface factsParent-body relationMission links
  1. 01

    Observe

    NASA imagery anchors the visual reading with licensed source metadata.

  2. 02

    Measure

    Numerical fields come from the typed Solar System catalog and are omitted when not available.

  3. 03

    Locate

    Child of Jupiter.

  4. 04

    Connect

    15 graph relations shape the knowledge viewport.

Object type
Moon
Graph relations
15
Verified sources
2
Image records
4
Domain
Scientific connections
Status
Graph entity

Scientific map

Orbit context

JupiterEuropaCatalog position context
Primary orbital anchor
Jupiter
Measured orbit field
Orbital distance not recorded in this graph record

Original SVG diagram

Interior and field cues

Structure cuesOuter envelope / surfaceInterior layerCore region1,561 km radius
Atmosphere
Not recorded
Mean temperature
Not recorded
Gravity
Not recorded
Magnetic field
Not recorded
Conamara ChaosEnergy SourceEuropa ClipperExtremophilesForward Contamina...GalileoGalileo GalileiGalileo GalileiJUICE (Jupiter Ic...JupiterLiquid WaterOcean WorldEuropaMoon

Visual knowledge graph

Relationships, not isolated facts

This viewport is generated from the Asteria knowledge graph. Science, culture, and interpretive links remain separated by domain so visual context never changes the evidentiary meaning of a relation.

3 more graph links

Image provenance

Photography as evidence

4 cleared visual records
Looking for Eruptions at Jupiter's Moon Europa

Looking for Eruptions at Jupiter's Moon Europa

Image data: NASA/JPL-Caltech/SwRI/MSSS Image processing: Brian Swift CC BY 3.0 · NASA media (public domain)

Simulated View of Thermal Emissions from Europa

Simulated View of Thermal Emissions from Europa

NASA/JPL-Caltech/ASU/SwRI · NASA media (public domain)

A Possible Lander with Tools for Europa

A Possible Lander with Tools for Europa

NASA/JPL-Caltech · NASA media (public domain)

Jupiter’s moon Europa

Jupiter’s moon Europa

NASA/Goddard Space Flight Center · NASA media (public domain)

Continue the atlas

Curated next objects

planet

Jupiter

astronomer

Galileo Galilei

Galileo Galilei was an Italian astronomer and physicist who pioneered telescopic astronomy, discovering the four largest moons of Jupiter.

space mission

Galileo

Jupiter orbiter · NASA · launched 1989.

space mission

JUICE (Jupiter Icy Moons Explorer)

JUICE is ESA's mission to study Jupiter's icy moons Ganymede, Callisto, and Europa.

space mission

Europa Clipper

Europa Clipper will make dozens of flybys of Jupiter's moon Europa to assess its habitability.

historical discovery

The Galilean Moons of Jupiter

In January 1610 Galileo saw four points of light beside Jupiter that changed position night after night — moons orbiting another world.

Observation

How this was captured

Source
NASA
Observation date
2022-12-14

Gallery

A Possible Lander with Tools for Europa

This graphic shows a possible robotic lander for a future mission to Jupiter moon Europa.

2013

NASA/JPL-Caltech · NASA media (public domain)

Source archive ↗

Data

Scientific data & provenance

Data & provenance

Stable ID
moon:europa
Type
Moon
Domain
Scientific connections
Relationships
15
Graph version
1.0.0

Dataset membership

Open data

In the graph export: graph.json · graph.jsonld

Planned API: GET /api/v0/entities/moon:europa

Scientific quality

Complete
Reviewed2 sourcesv1.0.0

6 of 6 applicable dimensions complete

Description
Complete
Source coverage
Complete
Relationship coverage
Complete
Review coverage
Complete
Citation coverage
Complete
Image coverage
Complete
Timeline coverage
Not applicable

Scientific entity. Dimensions that cannot apply to this object are excluded rather than counted as gaps. See the evidence framework and authority dashboard.

Provenance & sources

review 2026.1

Asteria Scientific Review Process · verification: sourced · accurate

  • High evidenceconfirmed

    Europa, a Galilean moon of Jupiter, has a young icy surface and strong evidence for a global subsurface ocean of liquid water beneath its ice shell.

    Source: NASA Science · Public domain (US Government work)

Reviewed by the internal Asteria Scientific Review Process — not an external institutional review. See the evidence framework and authority dashboard.

Scientific citations

1

Real, source-backed references — primary papers first, then datasets and institutional sources. Formatted through the citation engine; nothing is fabricated.

  • Institutional pageEuropa — NASA Solar System Exploration

    NASA

    Cite (APA / BibTeX)
    NASA (n.d.). Europa — NASA Solar System Exploration. NASA. https://science.nasa.gov/

@misc{cite:nasa-moon-europa,
  title        = {Europa — NASA Solar System Exploration},
  organization = {NASA},
  year         = {n.d.},
  url          = {https://science.nasa.gov/},
  note         = {NASA overview of Europa.}
}

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Sources & references

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

  • NASA JPLJet Propulsion Laboratory / Solar System Dynamics

    Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.