ライフサイエンスコーパス: icy

1 ity data, suggests that the satellite has an icy crust roughly 150 km thick and a rocky interior.

2 me extent, differentiated and should have an icy crust with few or no impact craters.

3 stance was consistent with sublimation of an icy body near its subsolar point.

4 creation in a catastrophic disruption of an icy satellite rather than a co-genetic origin with Satur

5 differentiated into a silicate core with an icy mantle.

6 , ranging out to the main asteroid belt, and icy bodies beyond the belt.

7 As the ring evolves, its mass decreases and icy moons are spawned from its outer edge with estimated

8 ciated strength properties of structural and icy planetary materials.

9 ces of the observed jets of water vapour and icy particles and to exhibit higher temperatures than th

10 Comets are icy bodies that sublimate and become active when close t

11 ing avoidance, especially in the chronically icy Antarctic waters.

12 Instead cold, icy environments may have been widespread.

13 the asteroid surface from a salt-containing icy object.

14 controlling eruptions imply that Enceladus' icy shell behaves as a thin elastic layer, perhaps only

15 s and high-altitude environments, especially icy habitats, present challenges for many microorganisms

16 ses during the impact of an extraterrestrial icy body containing formamide on an early Earth atmosphe

17 Jets of fine icy particles that supply Saturn's E ring emanate from t

18 es normally associated with reflections from icy surfaces in the Solar System were found at all the o

19 jor components of the interiors of the giant icy planets and their satellites, which has motivated th

20 ssigned a major role as antifreeze in giving icy planetary bodies (e.g., Titan) a liquid subsurface o

21 gic analog among large basins on low-gravity icy satellites.

22 tio is consistent with production of C2H6 in icy grain mantles in the natal cloud, either by photolys

23 roposed to form through radical chemistry in icy grain mantles.

24 O2 (silica) particles, initially embedded in icy grains emitted from Enceladus' subsurface waters and

25 g the geological preservation of microbes in icy environments and the possible exchange of genetic ma

26 ed submersion time of at least 83 minutes in icy sea water.

27 ropose that chondrule-forming shock waves in icy regions of the nebula produced conditions that allow

28 Europa, the innermost icy satellite of Jupiter, has a tortured young surface a

29 ypothesized to exist on Titan's surface, its icy bedrock lies extensively exposed.

30 his discovery is surprising for such a large icy satellite.

31 Hyperion, Saturn's eighth largest icy satellite, is a body of irregular shape in a state o

32 ke features observed on the surfaces of many icy satellites.

33 bly produced by the sublimation of migrating icy bodies, and provides a potential reservoir of water

34 The non-icy portion of Ceres' carbon-bearing regolith contains s

35 m ultraviolet photolysis of the analogues of icy interstellar grains.

36 mulations of the surfaces and atmospheres of icy bodies in the Solar System.

37 At temperatures characteristic of icy planetary bodies, vapor deposits of methanol, water,

38 The high predicted number density of icy interstellar objects (2.4 x 10(-4) per cubic astrono

39 The Kuiper belt is a disk of icy bodies that orbit the Sun beyond Neptune; the larges

40 loud of comets was formed by the ejection of icy planetesimals from the region of giant planets--Jupi

41 and may play a key role in the evolution of icy bodies.

42 hydrogen hydrates are potential materials of icy satellites and comets, and may be used for hydrogen

43 hydrocarbons comprise a significant part of icy giant planets and are involved in reduced carbon-oxy

44 ner coma, suggest that an extended region of icy grains surrounds the nucleus of Hyakutake and contri

45 recent discovery of an ancient reservoir of icy bodies at and beyond the orbit of Neptune-the Kuiper

46 Cs) from the Oort Cloud, a vast reservoir of icy bodies surrounding the Sun.

47 ble to the thermodynamic conditions found on icy planetary bodies.

48 with high density ratios, such as in jets on icy satellites or in tenuous atmospheres or exospheres,

49 implies that water-bearing asteroids and/or icy planetesimals that formed near Jupiter are the likel

50 protoplanetary nebula onto a large rocky or icy core.

51 the vaporization of a collection of orbiting icy bodies-a process considered in an earlier theoretica

52 Earth, the Jovian satellite Europa and other icy satellites, and the parent body of the Murchison met

53 consistent with remote observations of other icy bodies, such as Jupiter's moons Europa and Ganymede,

54 O2), however, despite its detection on other icy bodies such as the moons of Jupiter and Saturn, has

55 is a potential analog for habitats on other icy worlds where water-rock reactions may cooccur with s

56 scatters light more isotropically than other icy satellites.

57 ly strip material from the satellite's outer icy layers, while its rocky core remains intact and is l

58 Another set of surface reactions produces icy mantles of many monolayers in cold and dense regions

59 te that the crust of Ceres is neither purely icy nor rocky.

60 water to estimate the thickness of Europa's icy crust.

61 Callisto are equally ice-rich, but Europa's icy shell has a thermal structure about 0.25 0.5 times t

62 three satellites, which constrains Europa's icy shell to be at least 19 km thick.

63 tively sparse crater population on Jupiter's icy moon Europa and suggest that this assumption is inco

64 e New Horizons spacecraft observed Jupiter's icy satellites Europa and Ganymede during its flyby in F

65 opose that sublimation from millimetre-sized icy grains ejected from the nucleus provides access to r

66 Enceladus, a small icy satellite of Saturn, has active plumes jetting from

67 the south polar region of Enceladus, a small icy satellite of Saturn.

68 Enceladus is a small icy satellite of Saturn.

69 erion's surface as distinct from other small icy objects but left the causes unsettled.

70 Our data reveal arc-like structures-icy jets-offset from (but close to) the nucleus.

71 We found that icy grains originating in the outer disk, where temperat

72 The icy lithospheres of Ganymede and Callisto are equally ic

73 planets at 5 to 30 AU from the Sun, and the icy Kuiper belt objects at 30 to 50 AU from the Sun.

74 nized by in situ dust instruments around the icy moons of Jupiter and Saturn, but have hitherto not b

75 a of Saturn with an atmospheric plume at the icy moon Enceladus.

76 t-scale liquid ocean, is present beneath the icy surface.

77 production rates of molecular gases from the icy, cometary nucleus (in molecules per second) are 6.4

78 This mechanism is possible if the icy shell is latitudinally variable in thickness and dec

79 Models suggest that some of the icy bodies may have migrated into the asteroid belt.

80 ace appears to be distinct from those of the icy satellites of Jupiter, in both brightness and polari

81 well as the search for microbial life on the icy moons of Jupiter and Saturn.

82 Unlike on the icy satellites of Jupiter and Saturn, where tidal forces

83 s' ocean is chemically open or closed to the icy crust.

84 sic properties of the rings, including their icy composition.

85 eneath, and to a lesser degree, within their icy masses.

86 c one with an internal ocean beneath a thick icy shell.

87 Our findings imply that tiny, icy moons can develop complex surficial geomorphologies,