Notable "Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...

Binary. A-III habitable w/ 2G gravity, 68 hour day, big N ice cap, pre-sapients.
1288 pc from Earth, rimward.

Found by user "GAB" on 2025-09-07.
Other system with habitable planet is only 6.4 pc away.

#sf #worldbuilding

Notable "Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...

Trinary. C-V-1 frozen moon, ocean 100's km deep w/ pre-sapients.
38 pc away, below & coreward.

AB is semi-detached binary, giant and white dwarf.
It causes periodic novae that melt the moon's ice.

#sf #worldbuilding

1/2

Notable "Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=-...

Binary. A-IV = habitable planet w/ pre-sapients.
14,836.4 parsecs from Earth, in upper edge of galactic halo.

No stars at night. Just galaxy blobs.
And the Milky Way: a disk 107° wide, filling the sky.

#sf #worldbuilding

Notable "Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...

Binary system with 3 habitable planets, all heavy with pre-sapients.
54 parsecs from Earth, towards anti-clockwise.
A-III: eccentric orbit w/large temperature changes.
A-IV, B-V: cold w/strong seasons.

#sf #worldbuilding

Notable "Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
Click [Anonymous] to view without login

Has a habitable moon with tropical climate and pre-sapients.
Only moon of gas giant A-III, 1.02 AU from a G1 star.
40 parsecs from Earth, towards galactic center.

#sf #worldbuilding

Found this on Daily Kos:

cdn.prod.dailykos.com/images/13764...
Artist's depiction of the orbits of the six planets revolving around a star called HD110067 create a geometric pattern due to their resonance. (Thibaut Roger/NCCR PlanetS)

Article: www.nature.com/articles/s41...

#astronomy