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1 ty of the crust at shallow depths (7 8 km on Europa).
2  exist on other celestial bodies (e.g. Mars, Europa).
3 the genetic variation of bovine S. aureus in Europa.
4  part in the formation of O2 on Ganymede and Europa.
5 nuous oxygen atmosphere has been observed on Europa.
6 me gravity-scaled geometry as those found on Europa.
7 derstanding of the potential habitability of Europa.
8 om other habitable worlds like Enceladus and Europa.
9 erize the habitability of Jupiter's icy moon Europa.
10 ndicating that carbon is sourced from within Europa.
11 core by an internal water ocean like that on Europa.
12  small craters (diameters less than 1 km) on Europa.
13 ust outside the orbit of Jupiter's satellite Europa.
14 n from the jovian footprints of Ganymede and Europa.
15 s are inferred to be folds on Jupiter's moon Europa.
16 l chain would be produced during each day on Europa.
17 ting has played an important role for Io and Europa.
18 distributed on the surface of Jupiter's moon Europa.
19  indirect geological evidence in the case of Europa.
20                          Jupiter's satellite Europa almost certainly hides a global saltwater ocean b
21 inner magnetosphere) in the vicinity of both Europa and Callisto.
22 y-active worlds, including icy moons such as Europa and Enceladus and exo-planets/moons with high ecc
23 he outer Solar System, such as the icy moons Europa and Enceladus, represent potentially habitable en
24 for evidence of life on ocean worlds such as Europa and Enceladus.
25 , discovery of tenuous oxygen atmospheres at Europa and Ganymede and a tenuous carbon dioxide atmosph
26 en the remote observations of the surface of Europa and Ganymede and previously available data on NaC
27 spacecraft observed Jupiter's icy satellites Europa and Ganymede during its flyby in February and Mar
28 of other icy bodies, such as Jupiter's moons Europa and Ganymede, and suggestive of a reservoir of ra
29 tenuous oxygen atmospheres recently found on Europa and Ganymede.
30 aplace resonance linking Jupiter's moons Io, Europa and Ganymede.
31 nd on many of the surfaces of icy moons like Europa and Ganymede.
32 aturn like that which links Jupiter with Io, Europa and Ganymede.
33 ayer of O2 gas similar to the atmospheres of Europa and Ganymede.
34 idges are the most common surface feature on Europa and occur across every sector of the moon, but th
35 of the primitive Earth, the Jovian satellite Europa and other icy satellites, and the parent body of
36 arse crater population on Jupiter's icy moon Europa and suggest that this assumption is incorrect for
37 ds may compensate for extension elsewhere on Europa and then relax away over time.
38 ozen water oceans on the moons Enceladus and Europa (and possibly others) and the liquid and frozen h
39 sruption called chaos terrains are unique to Europa, and both their formation and the ice-shell thick
40 from the electromagnetic interactions of Io, Europa, and Ganymede with the magnetospheric plasma flow
41 e the mean orbital angular velocities of Io, Europa, and Ganymede, respectively.
42 ry atmospheres, such as the Jovian moons Io, Europa, and Ganymede.
43 lcanism on Io, may explain a liquid ocean on Europa, and may guide studies of the dissipative propert
44  The tectonic patterns and stress history of Europa are exceedingly complex and many large-scale feat
45            The appearances of the craters on Europa are inconsistent with thin-ice-shell models and i
46 s previously been detected on the surface of Europa, but it was not possible to determine whether it
47 s an explanation for anomalous radar data on Europa, but until now no penitentes have been identified
48 ations is here modeled as the signature of a Europa-centered dipole moment whose maximum surface magn
49                     Two spacecraft missions, Europa Clipper from the National Aeronautics and Space A
50 Urface Dust Analyzer onboard NASA's upcoming Europa Clipper mission at flyby speeds of 4 to 6 kilomet
51 ide the building blocks for life, and NASA's Europa Clipper mission will assess Europa's habitability
52 celadus mission but also for the forthcoming Europa Clipper mission.
53 ration and future data interpretation of the Europa Clipper's SUrface Dust Analyzer (SUDA), which wil
54  Ground-based spectroscopy of Jupiter's moon Europa, combined with gravity data, suggests that the sa
55                                    The trans-Europa component shows that, unexpectedly, Europa genera
56 internal liquid water oceans in Callisto and Europa, detection of a strong intrinsic magnetic field w
57            Some studies further assumed that Europa differentiated while (or soon after) it accreted,
58 observations of Jupiter's Galilean satellite Europa during its tour of the jovian system.
59        Icy moons like Enceladus, and perhaps Europa, emit material sourced from their subsurface ocea
60 o spacecraft's radio carrier wave during two Europa encounters on 19 December 1996 (E4) and 20 Februa
61 stered at as ISRCTN 82927713 and eudract.ema.europa.eu as EudraCT 2007-001716-23.
62 everal impact craters on Jupiter's satellite Europa exhibit central peaks.
63                  Visual wavelength images of Europa extend knowledge of its global pattern of arcuate
64  simulate multiring basin forming impacts on Europa finding that a total ice shell greater than 20 ki
65 e that although the same orbital position of Europa for plume activity may be a necessary condition,
66  measurements of depths of impact craters on Europa, Ganymede and Callisto that reveal two anomalous
67 ilar situation applies to the galilean moons Europa, Ganymede and Callisto, which reside within Jupit
68 ters one of the four galilean satellites-Io, Europa, Ganymede and Callisto-on each orbit.
69 ructure of the four galilean satellites--Io, Europa, Ganymede and Callisto-ranged from uniform mixtur
70  in our understanding of Jupiter's moons Io, Europa, Ganymede, and Callisto over the past few years.
71 s-Europa component shows that, unexpectedly, Europa generates a gas cloud comparable in gas content t
72  we report an analysis of archival data from Europa, guided by processes observed within Earth's subg
73 ently unclear, as is the question of whether Europa has (or had at one time) a liquid water ocean.
74 lts are consistent with the possibility that Europa has a liquid water ocean beneath a surface layer
75              The metallic core is favored if Europa has a magnetic field.
76     The quantity of gas found indicates that Europa has a much greater impact than hitherto believed
77               The measurements indicate that Europa has a predominantly water ice-liquid outer shell
78                                     However, Europa has a small forced eccentricity e approximately 0
79                               Jupiter's moon Europa has a subsurface ocean beneath an icy crust.
80                               Jupiter's moon Europa has a subsurface ocean, the chemistry of which is
81                                              Europa has two multiring basins that exhibit several con
82  the Galileo spacecraft with the jovian moon Europa have been used to refine models of Europa's inter
83 and that of hydrogen peroxide on neighboring Europa have important implications for understanding wat
84   We infer from these data that Ganymede and Europa have persistent interactions with Jupiter's magne
85 ns of the outer planets, with Jupiter's moon Europa having received the most attention.
86                               Jupiter's moon Europa hosts a subsurface ocean under an ice shell of un
87 viously unseen emissions arising from Io and Europa in eclipse, a giant volcanic plume over Io's nort
88 subsurface microbial communities on Mars and Europa in which methanogens form the base of the ecosyst
89 54 m per pixel) Galileo spacecraft images of Europa, in which we find evidence for mobile 'icebergs'.
90 ly observed in the optically darker areas of Europa, including the lineaments, and may represent evap
91 erefore, the observation of central peaks on Europa indicates that an ice layer must be sufficiently
92                               Jupiter's moon Europa is a prime candidate for extraterrestrial habitab
93 en topography of Thera Macula indicates that Europa is actively resurfacing over a lens comparable in
94                                              Europa is most likely differentiated into a metallic cor
95  ice thickness variations [the threshold for Europa is O(100) m].
96 The ice-rich surface of the jovian satellite Europa is sparsely cratered, suggesting that this moon m
97                  The deep (~100 km) ocean of Europa, Jupiter's moon, covered by a thick icy shell, is
98 ady for upcoming space missions, such as the Europa Lander.
99                           This suggests that Europa maintains a plasma environment capable of sustain
100 ysical mechanisms: the wedge-shaped bands on Europa most probably formed when lower material (ice or
101    The 2014 observations were scheduled with Europa near the apocenter similar to the orbital positio
102 reme radiation (e.g. Mercury, Jupiter's moon Europa, near-Sun comets), as well as terrestrial applica
103 t's magnetometer have indicated that neither Europa nor Callisto have an appreciable internal magneti
104 crometer wavelength region of the surface of Europa obtained by Galileo's Near Infrared Mapping Spect
105 pots-discovered in high-resolution images of Europa obtained by the Galileo spacecraft.
106 a obtained on 8 March 2015 ut as the limb of Europa occulted Io.
107 ean worlds of the outer solar system such as Europa or Enceladus.
108                                     Close to Europa, plasma currents appear to produce perturbations
109 ed at much colder temperatures, meaning that Europa plausibly ended accretion as a mixture containing
110                                     However, Europa probably formed at much colder temperatures, mean
111 h scale sizes that are small compared with a Europa radius.
112 lstering the case for an exogenous source of Europa's "non-ice" surface material and filling large ga
113 structure of the ice shell and indicate that Europa's at least 20-kilometer ice shell is composed of
114 tions organize in Taylor columns parallel to Europa's axis of rotation, are static inside of the tang
115 e find that silicate dehydration can produce Europa's current ocean and icy shell.
116 from plume activity possibly correlated with Europa's distance from Jupiter through tidal stress vari
117       If the same process is responsible for Europa's double ridges, our results suggest that shallow
118 d 20 February 1997 (E6) were used to measure Europa's external gravitational field.
119                            The evidence that Europa's field varies temporally strengthens the argumen
120 rue polar wander, involving reorientation of Europa's floating outer ice shell about the tidal axis w
121                                              Europa's fracture networks stand apart due to the predom
122 ed sulfuric acid concentrations are found in Europa's geologically young terrains, suggesting that lo
123 -synchronous rotation was invoked to explain Europa's global system of lineaments and an equatorial r
124 nd NASA's Europa Clipper mission will assess Europa's habitability.
125                                   Spectra of Europa's high latitudes imply that fine-grained water fr
126  this model to work, the tensile strength of Europa's ice crust must be less than 40 kilopascals, and
127  the storage and evolution of briny water in Europa's ice shell and propose a framework to interpret
128                           The constraints on Europa's ice shell structure resulting from this work ar
129 s spatially and temporally ubiquitous across Europa's ice shell.
130 ng liquid water to estimate the thickness of Europa's icy crust.
131 ymede and Callisto are equally ice-rich, but Europa's icy shell has a thermal structure about 0.25 0.
132 ns on all three satellites, which constrains Europa's icy shell to be at least 19 km thick.
133  models to describe the thermal evolution of Europa's interior assuming low initial temperatures (~20
134 t that there may be a permanent asymmetry in Europa's interior mass distribution which is large enoug
135   Occasional eruptions of water sourced from Europa's interior may provide a window on the interior c
136 a from the Galileo mission, many argued that Europa's interior, like Earth, is differentiated into a
137 on Europa have been used to refine models of Europa's interior.
138  a permanent magnetic dipole moment model of Europa's internal field.
139 frared and ultraviolet wavelength spectra of Europa's leading, anti-jovian quadrant observed from the
140 tely 200-km high region well separated above Europa's limb is a firm result and not invalidated by ou
141                                              Europa's metallic core, if it exists, may have formed bi
142              Previous studies suggested that Europa's ocean is turbulent using a global model and tak
143                                              Europa's ocean lies atop an interior made of metal and s
144       Ultimately, we expect the chemistry of Europa's ocean to reflect protracted heating of the inte
145                                           If Europa's orbit were circular, or the satellite were comp
146 ring via whistler-mode waves co-located with Europa's orbit.
147 cale depletions of energetic electrons along Europa's orbit.
148 depend on changing surface stresses based on Europa's orbital phases.
149 nse to diurnal variations in tidal stress in Europa's outer ice shell.
150                             The thickness of Europa's outer shell of water ice-liquid must lie in the
151 his Jovian slot only partially extends along Europa's path, implying that additional, unidentified ac
152 e mantle by a liquid magma ocean, similar to Europa's present ice shell.
153 metal core with a radius about 40 percent of Europa's radius surrounded by a rock mantle with a densi
154  it could be as large as about 50 percent of Europa's radius.
155         The dipole orientation is oblique to Europa's spin axis.
156 c particle bombardment and demonstrates that Europa's surface chemistry is dominated by radiolysis.
157 heir spectral shapes and distribution across Europa's surface indicate that the CO(2) is mixed with o
158 ined by the Voyager spacecraft revealed that Europa's surface is crossed by numerous intersecting rid
159 tures are much higher than those observed on Europa's surface, and an external heating source from th
160  acid is present and is a major component of Europa's surface.
161 and dark lineaments, suggesting that many of Europa's tectonic patterns may also be related to true p
162                      Galileo observations of Europa's thermal emission show low-latitude diurnal brig
163 mation and the ice-shell thickness depend on Europa's thermal state.
164                   It has been suggested that Europa's thin outer ice shell might be separated from th
165 012, the Hubble Space Telescope (HST) imaged Europa's ultraviolet emissions in the search for vapor p
166  these minerals provide a close match to the Europa spectra.
167                        We find evidence that Europa spins faster than the synchronous rate (or did so
168  board future space missions to Enceladus or Europa, such as the SUrface Dust Analyzer onboard NASA's
169 r-ultraviolet observations of Jupiter's moon Europa taken by Space Telescope Imaging Spectrograph (ST
170 ibe broad arcuate troughs and depressions on Europa that do not fit other proposed stress mechanisms
171 cecraft revealed dark, wedge-shaped bands on Europa that were interpreted as evidence that surface pl
172  interpreted to be similar to those found on Europa, that is, mostly frozen magnesium sulfate brines
173                                              Europa, the innermost icy satellite of Jupiter, has a to
174 6 as Galileo passed close to Jupiter's moon, Europa, the magnetometer measured substantial departures
175                      In the specific case of Europa, the minimum kinetic energy of the flow associate
176                                              Europa, the most visibly active icy moon of Jupiter, is
177 led as contributions of an internal field of Europa, they do not confirm its existence.
178 ndant NaCl hydrate on icy moon surfaces like Europa, Titan, Ganymede, Callisto, Enceladus, or Ceres.
179                            Currents coupling Europa to Jupiter's magnetospheric plasma could produce
180                                          The EUROPA trial aims to compare the effects of radiotherapy
181       We mapped the distribution of CO(2) on Europa using observations obtained with the James Webb S
182                   The plume was present when Europa was near apocenter and was not detected close to
183                  Non-synchronous rotation of Europa was predicted on theoretical grounds, by consider
184 2000, the Galileo spacecraft passed close to Europa when it was located far south of Jupiter's magnet
185                                  We observed Europa with the James Webb Space Telescope (JWST) to sea
186 aled the presence of a tenuous ionosphere on Europa, with an average maximum electron density of near
187 thin outer ice shell on Jupiter's large moon Europa would imply easy exchange between the surface and
188 ts with harsher radiation environments, like Europa, would require improved radiation resistance via

 
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