Non-gravitational forces (NGFs), 5, 14, 23, 24,
38, 153
Non-principal-axis rotational states, 47
North Polar Crater Cluster (NPCC), 120, 121
Numbers
Knudsen number, 98, 214–216, 219, 228,
233, 244
Knudsen penetration number, 228–232,
240, 241, 345
Mach number, 217, 220, 221, 230, 231, 346,
412
Reynolds number, 322
Numerical tools
DSMC, 212, 226, 227, 233–235, 238, 242,
269, 334, 345
GENGA, 15
HITRAN, 198
hydrocode, 121
iSALE, 121
OpenFOAM, 227
Parallelized Direct Simulation Monte Carlo
Code, 227
Quantemol database, 201
SMILE, 227
smoothed particle hydrodynamics, 70
Splatalogue database, 256
Web Vectorial Model, 258
O
Oort cloud, 14–18, 21, 105, 276, 442, 444
Optical depth, 142, 186, 191, 201, 203–205,
260, 267, 302–304, 308, 323, 334, 347,
354, 367, 376, 404, 405, 420
Orbital eccentricity, 6, 17
P
P/2004 A1, 12
P/2008 CL94 Lemmon, 21
P/2010 TO20 Linear-Grauer, 21
P/2010 V1 (Ikeya-Murakami), 176
P/2011 S1, 12, 430
Particle fragmentation, 352, 355
Pebble accretion, 130
Permeability, 244, 306, 401
Philae experiments
APXS, viii
CIVA, viii
COSAC, vii
MUPUS, vii, 74, 98
PTOLEMY, vii, 209
ROLIS, vii
ROMAP, vii
SD2, vii
SESAME, vii
Philae landing sites
Abydos, 74, 99
Agilkia, 73
Photo-dissociation, 212, 216, 251
Photoemission, 420
Pitch-angle scattering, 411
Pit halo, 113
Pits, 90–92, 126–130, 137, 150, 159, 168, 169
Planck function, 29, 32, 191, 197, 206, 312,
378, 380, 419
Planetary migration, 277
Planetary Spectrum Generator (PSG), 201, 202
Plasma turbulence, 413
Polarization, 263, 283, 285
Ponded deposits, 89, 90, 151–153
Pore area fractal dimension, 98
Pore ice, 173
Porosity, 38, 40, 74, 95–98, 100, 101, 122, 123,
127, 153, 155, 169, 192, 243, 244, 246,
296, 297, 306, 325, 382, 439
Poynting-Robertson effect, 368
Prefix, 8
Pressure broadening, 187
Prompt emission, 265
R
Radiance, 30, 32, 55, 57, 64, 65, 139, 185–187,
282, 283, 294, 302–304, 308, 316, 381
Radius of gyration, 297
Rayleigh (unit), 204
Rayleigh scattering, 282
Reactive torque, 25, 44
Re-condensation, 100, 440
Reflectance coefficient, 57
Reflectance factor, 57, 61, 63, 65, 66, 68, 308
Reptation, 162, 164, 166
Resonant fluorescence, 199, 200, 256, 263, 268,
274
Restricted three-body problem, 11
Rigid rotator model, 189
Ring-masking, 339
Ripple, 162, 165
Rocket effect, 368
Rosetta experiments
ALICE, viii, 268, 269
CONSERT, viii, 71, 384, 392, 441
COSIMA, viii, 279, 319, 384, 441
COSISCOPE, 320
GIADA, viii, 319, 333
Index
501
38, 153
Non-principal-axis rotational states, 47
North Polar Crater Cluster (NPCC), 120, 121
Numbers
Knudsen number, 98, 214–216, 219, 228,
233, 244
Knudsen penetration number, 228–232,
240, 241, 345
Mach number, 217, 220, 221, 230, 231, 346,
412
Reynolds number, 322
Numerical tools
DSMC, 212, 226, 227, 233–235, 238, 242,
269, 334, 345
GENGA, 15
HITRAN, 198
hydrocode, 121
iSALE, 121
OpenFOAM, 227
Parallelized Direct Simulation Monte Carlo
Code, 227
Quantemol database, 201
SMILE, 227
smoothed particle hydrodynamics, 70
Splatalogue database, 256
Web Vectorial Model, 258
O
Oort cloud, 14–18, 21, 105, 276, 442, 444
Optical depth, 142, 186, 191, 201, 203–205,
260, 267, 302–304, 308, 323, 334, 347,
354, 367, 376, 404, 405, 420
Orbital eccentricity, 6, 17
P
P/2004 A1, 12
P/2008 CL94 Lemmon, 21
P/2010 TO20 Linear-Grauer, 21
P/2010 V1 (Ikeya-Murakami), 176
P/2011 S1, 12, 430
Particle fragmentation, 352, 355
Pebble accretion, 130
Permeability, 244, 306, 401
Philae experiments
APXS, viii
CIVA, viii
COSAC, vii
MUPUS, vii, 74, 98
PTOLEMY, vii, 209
ROLIS, vii
ROMAP, vii
SD2, vii
SESAME, vii
Philae landing sites
Abydos, 74, 99
Agilkia, 73
Photo-dissociation, 212, 216, 251
Photoemission, 420
Pitch-angle scattering, 411
Pit halo, 113
Pits, 90–92, 126–130, 137, 150, 159, 168, 169
Planck function, 29, 32, 191, 197, 206, 312,
378, 380, 419
Planetary migration, 277
Planetary Spectrum Generator (PSG), 201, 202
Plasma turbulence, 413
Polarization, 263, 283, 285
Ponded deposits, 89, 90, 151–153
Pore area fractal dimension, 98
Pore ice, 173
Porosity, 38, 40, 74, 95–98, 100, 101, 122, 123,
127, 153, 155, 169, 192, 243, 244, 246,
296, 297, 306, 325, 382, 439
Poynting-Robertson effect, 368
Prefix, 8
Pressure broadening, 187
Prompt emission, 265
R
Radiance, 30, 32, 55, 57, 64, 65, 139, 185–187,
282, 283, 294, 302–304, 308, 316, 381
Radius of gyration, 297
Rayleigh (unit), 204
Rayleigh scattering, 282
Reactive torque, 25, 44
Re-condensation, 100, 440
Reflectance coefficient, 57
Reflectance factor, 57, 61, 63, 65, 66, 68, 308
Reptation, 162, 164, 166
Resonant fluorescence, 199, 200, 256, 263, 268,
274
Restricted three-body problem, 11
Rigid rotator model, 189
Ring-masking, 339
Ripple, 162, 165
Rocket effect, 368
Rosetta experiments
ALICE, viii, 268, 269
CONSERT, viii, 71, 384, 392, 441
COSIMA, viii, 279, 319, 384, 441
COSISCOPE, 320
GIADA, viii, 319, 333
Index
501