Luser question

For some reason my comments page ends abruptly at Maggiebloome's comment in the "Coming up with a half-way plausible backstory for in-system SF", the one that reads in comments as "That last point is a good one. I mean, even on a TV show like Firefly[Error: BML block 'I' has no close]".

Is this merely a coincidence (and LJ is having some kind of problem) or is it that comment screwing up Recent Comments?

Luser question

For some reason my comments page ends abruptly at Maggiebloome's comment in the "Coming up with a half-way plausible backstory for in-system SF", the one that reads in comments as "That last point is a good one. I mean, even on a TV show like Firefly[Error: BML block 'I' has no close]".

Is this merely a coincidence (and LJ is having some kind of problem) or is it that comment screwing up Recent Comments?

Luser question

For some reason my comments page ends abruptly at Maggiebloome's comment in the "Coming up with a half-way plausible backstory for in-system SF", the one that reads in comments as "That last point is a good one. I mean, even on a TV show like Firefly[Error: BML block 'I' has no close]".

Is this merely a coincidence (and LJ is having some kind of problem) or is it that comment screwing up Recent Comments?

Getting around in moon systems

Erik Max Francis supplied me with a replacement for the chart I keep mentioning. With his permission, I quote it here. He generated these using BOTEC (The ad hoc script is here)

Numbers above the diagonal were surface to surface delta vees.
Below the diagonal, they were the delta vees needed to go from orbit
around one to another. Along the diagonal, orbital velocities of the
objects orbiting the moons at 100 km above the surface.

This assumes that the moons are airless, which is inaccurate for Titan.

 

Mars:
        Phobos Deimos
Phobos      3    744
Deimos    734      1

Jupiter:
         Metis Adrast Amalth     Io Europa Ganyme Callis Himali  Elara
Metis       7     85   4922  11768  14182  15107  15676  15542  15558
Adrast    109      8   4826  11690  14113  15047  15624  15499  15515
Amalth   4970   4877     54   7625  10452  11871  12850  13279  13297
Io      13485  13410   9392   1761   2545   4385   6004   7806   7834
Europa  15561  15495  11876   5689   1388   2177   3748   6281   6316
Ganyme  17006  16949  13814   8022   5504   1902   2127   4676   4717
Callis  17380  17330  14596   9431   6855   5772   1691   3305   3355
Himali  15589  15549  13367   9560   7705   6626   5065     59     41
Elara   15574  15534  13355   9558   7709   6636   5083    158     20

Saturn:
        Epimet  Janus  Mimas Encela Tethys  Dione   Rhea  Titan Iapetu
Epimet     15     17   1428   3044   4121   5216   6340   7367   8104
Janus      72     26   1416   3031   4108   5203   6328   7355   8093
Mimas    1521   1515     92   1490   2617   3780   5016   6369   7258
Encela   3156   3149   1676    112   1023   2217   3553   5292   6359
Tethys   4374   4368   2943   1384    258    971   2297   4321   5523
Dione    5552   5546   4188   2653   1568    333   1116   3371   4698
Rhea     6768   6762   5514   4077   2969   1891    422   2276   3681
Titan    9230   9224   8302   7249   6422   5559   4565   1832   1736
Iapetu   8481   8475   7703   6827   6132   5391   4469   3977    360

Uranus:
        Mirand  Ariel Umbrie Titani Oberon
Mirand    115    720   1431   2194   2530
Ariel    1215    364    593   1312   1663
Umbrie   1889   1332    338    730   1060
Titani   2834   2218   1629    514    496
Oberon   3137   2533   1918   1566    483

This includes all satellites that have known radii and rotation periods.
  Deltavees are in m/s. 

[Updated and slightly altered on the 21st]

Getting around in moon systems

Erik Max Francis supplied me with a replacement for the chart I keep mentioning. With his permission, I quote it here. He generated these using BOTEC (The ad hoc script is here)

Numbers above the diagonal were surface to surface delta vees.
Below the diagonal, they were the delta vees needed to go from orbit
around one to another. Along the diagonal, orbital velocities of the
objects orbiting the moons at 100 km above the surface.

This assumes that the moons are airless, which is inaccurate for Titan.

 

Mars:
        Phobos Deimos
Phobos      3    744
Deimos    734      1

Jupiter:
         Metis Adrast Amalth     Io Europa Ganyme Callis Himali  Elara
Metis       7     85   4922  11768  14182  15107  15676  15542  15558
Adrast    109      8   4826  11690  14113  15047  15624  15499  15515
Amalth   4970   4877     54   7625  10452  11871  12850  13279  13297
Io      13485  13410   9392   1761   2545   4385   6004   7806   7834
Europa  15561  15495  11876   5689   1388   2177   3748   6281   6316
Ganyme  17006  16949  13814   8022   5504   1902   2127   4676   4717
Callis  17380  17330  14596   9431   6855   5772   1691   3305   3355
Himali  15589  15549  13367   9560   7705   6626   5065     59     41
Elara   15574  15534  13355   9558   7709   6636   5083    158     20

Saturn:
        Epimet  Janus  Mimas Encela Tethys  Dione   Rhea  Titan Iapetu
Epimet     15     17   1428   3044   4121   5216   6340   7367   8104
Janus      72     26   1416   3031   4108   5203   6328   7355   8093
Mimas    1521   1515     92   1490   2617   3780   5016   6369   7258
Encela   3156   3149   1676    112   1023   2217   3553   5292   6359
Tethys   4374   4368   2943   1384    258    971   2297   4321   5523
Dione    5552   5546   4188   2653   1568    333   1116   3371   4698
Rhea     6768   6762   5514   4077   2969   1891    422   2276   3681
Titan    9230   9224   8302   7249   6422   5559   4565   1832   1736
Iapetu   8481   8475   7703   6827   6132   5391   4469   3977    360

Uranus:
        Mirand  Ariel Umbrie Titani Oberon
Mirand    115    720   1431   2194   2530
Ariel    1215    364    593   1312   1663
Umbrie   1889   1332    338    730   1060
Titani   2834   2218   1629    514    496
Oberon   3137   2533   1918   1566    483

This includes all satellites that have known radii and rotation periods.
  Deltavees are in m/s. 

[Updated and slightly altered on the 21st]

Getting around in moon systems

Erik Max Francis supplied me with a replacement for the chart I keep mentioning. With his permission, I quote it here. He generated these using BOTEC (The ad hoc script is here)

Numbers above the diagonal were surface to surface delta vees.
Below the diagonal, they were the delta vees needed to go from orbit
around one to another. Along the diagonal, orbital velocities of the
objects orbiting the moons at 100 km above the surface.

This assumes that the moons are airless, which is inaccurate for Titan.

 

Mars:
        Phobos Deimos
Phobos      3    744
Deimos    734      1

Jupiter:
         Metis Adrast Amalth     Io Europa Ganyme Callis Himali  Elara
Metis       7     85   4922  11768  14182  15107  15676  15542  15558
Adrast    109      8   4826  11690  14113  15047  15624  15499  15515
Amalth   4970   4877     54   7625  10452  11871  12850  13279  13297
Io      13485  13410   9392   1761   2545   4385   6004   7806   7834
Europa  15561  15495  11876   5689   1388   2177   3748   6281   6316
Ganyme  17006  16949  13814   8022   5504   1902   2127   4676   4717
Callis  17380  17330  14596   9431   6855   5772   1691   3305   3355
Himali  15589  15549  13367   9560   7705   6626   5065     59     41
Elara   15574  15534  13355   9558   7709   6636   5083    158     20

Saturn:
        Epimet  Janus  Mimas Encela Tethys  Dione   Rhea  Titan Iapetu
Epimet     15     17   1428   3044   4121   5216   6340   7367   8104
Janus      72     26   1416   3031   4108   5203   6328   7355   8093
Mimas    1521   1515     92   1490   2617   3780   5016   6369   7258
Encela   3156   3149   1676    112   1023   2217   3553   5292   6359
Tethys   4374   4368   2943   1384    258    971   2297   4321   5523
Dione    5552   5546   4188   2653   1568    333   1116   3371   4698
Rhea     6768   6762   5514   4077   2969   1891    422   2276   3681
Titan    9230   9224   8302   7249   6422   5559   4565   1832   1736
Iapetu   8481   8475   7703   6827   6132   5391   4469   3977    360

Uranus:
        Mirand  Ariel Umbrie Titani Oberon
Mirand    115    720   1431   2194   2530
Ariel    1215    364    593   1312   1663
Umbrie   1889   1332    338    730   1060
Titani   2834   2218   1629    514    496
Oberon   3137   2533   1918   1566    483

This includes all satellites that have known radii and rotation periods.
  Deltavees are in m/s. 

[Updated and slightly altered on the 21st]

Bombs in the washroom

Couldn't the entire bombs-being-assembled-in-the-loo problem be avoided by 1: eliminating all airplane washrooms and 2: having the TSA staff outfit each passenger with a catheter?

Bombs in the washroom

Couldn't the entire bombs-being-assembled-in-the-loo problem be avoided by 1: eliminating all airplane washrooms and 2: having the TSA staff outfit each passenger with a catheter?

Bombs in the washroom

Couldn't the entire bombs-being-assembled-in-the-loo problem be avoided by 1: eliminating all airplane washrooms and 2: having the TSA staff outfit each passenger with a catheter?