@aahench.bsky.social
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
Binary, G stars, habitable planet, pre-sapients.
112 pc away; below, spinward, coreward.
A-B-I is heavy world.
Has thick atmosphere, high oxygen, cold & 90% ocean.
Equator almost freezes. But mild seasons.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=D...
Binary, G stars, habitable planet, pre-sapients.
112 pc away; below, spinward, coreward.
A-B-I is heavy world.
Has thick atmosphere, high oxygen, cold & 90% ocean.
Equator almost freezes. But mild seasons.
#sf #worldbuilding
1/3
February 3, 2026 at 2:09 PM
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
Binary, G stars, habitable planet, pre-sapients.
112 pc away; below, spinward, coreward.
A-B-I is heavy world.
Has thick atmosphere, high oxygen, cold & 90% ocean.
Equator almost freezes. But mild seasons.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=D...
Binary, G stars, habitable planet, pre-sapients.
112 pc away; below, spinward, coreward.
A-B-I is heavy world.
Has thick atmosphere, high oxygen, cold & 90% ocean.
Equator almost freezes. But mild seasons.
#sf #worldbuilding
1/3
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=-...
Trinary, w/ brown dwarfs & just 1 planet.
In halo, 15 kpc above Earth.
Planet is Mars-sized, w/ massive frozen ocean.
No atmosphere or life.
Sun is bright as the full moon.
Deep red or magenta, not white.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=-...
Trinary, w/ brown dwarfs & just 1 planet.
In halo, 15 kpc above Earth.
Planet is Mars-sized, w/ massive frozen ocean.
No atmosphere or life.
Sun is bright as the full moon.
Deep red or magenta, not white.
#sf #worldbuilding
1/3
January 12, 2026 at 4:46 PM
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=-...
Trinary, w/ brown dwarfs & just 1 planet.
In halo, 15 kpc above Earth.
Planet is Mars-sized, w/ massive frozen ocean.
No atmosphere or life.
Sun is bright as the full moon.
Deep red or magenta, not white.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=-...
Trinary, w/ brown dwarfs & just 1 planet.
In halo, 15 kpc above Earth.
Planet is Mars-sized, w/ massive frozen ocean.
No atmosphere or life.
Sun is bright as the full moon.
Deep red or magenta, not white.
#sf #worldbuilding
1/3
"Galactic Survey" Section:
aahench.pythonanywhere.com/section?loc=...
Cube 3 parsecs across each side. 27 pc^3 with 20 systems.
83 pc away; above, rimward, anti-spinward.
A tight cluster, 7.1 billion years old.
Many worlds have pre-sapient life. Most are in massive oceans.
#sf #worldbuilding
1/2
aahench.pythonanywhere.com/section?loc=...
Cube 3 parsecs across each side. 27 pc^3 with 20 systems.
83 pc away; above, rimward, anti-spinward.
A tight cluster, 7.1 billion years old.
Many worlds have pre-sapient life. Most are in massive oceans.
#sf #worldbuilding
1/2
January 6, 2026 at 6:13 PM
"Galactic Survey" Section:
aahench.pythonanywhere.com/section?loc=...
Cube 3 parsecs across each side. 27 pc^3 with 20 systems.
83 pc away; above, rimward, anti-spinward.
A tight cluster, 7.1 billion years old.
Many worlds have pre-sapient life. Most are in massive oceans.
#sf #worldbuilding
1/2
aahench.pythonanywhere.com/section?loc=...
Cube 3 parsecs across each side. 27 pc^3 with 20 systems.
83 pc away; above, rimward, anti-spinward.
A tight cluster, 7.1 billion years old.
Many worlds have pre-sapient life. Most are in massive oceans.
#sf #worldbuilding
1/2
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
G4 star. 1 suitable! w/ pre-sapients.
95 pc away; above, rimward, anti-spinward.
A-II has 1.5G, 19°C avg. temp, and breathable air.
BUT 70° unstable tilt makes seasons extreme.
Even equator almost freezes.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=D...
G4 star. 1 suitable! w/ pre-sapients.
95 pc away; above, rimward, anti-spinward.
A-II has 1.5G, 19°C avg. temp, and breathable air.
BUT 70° unstable tilt makes seasons extreme.
Even equator almost freezes.
#sf #worldbuilding
1/3
December 29, 2025 at 4:44 PM
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
G4 star. 1 suitable! w/ pre-sapients.
95 pc away; above, rimward, anti-spinward.
A-II has 1.5G, 19°C avg. temp, and breathable air.
BUT 70° unstable tilt makes seasons extreme.
Even equator almost freezes.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=D...
G4 star. 1 suitable! w/ pre-sapients.
95 pc away; above, rimward, anti-spinward.
A-II has 1.5G, 19°C avg. temp, and breathable air.
BUT 70° unstable tilt makes seasons extreme.
Even equator almost freezes.
#sf #worldbuilding
1/3
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
Trinary, F9/K7 & distant Y0 brown dwarf.
18.5k pc away, 120° anti-spinward, in Scutum-Centaurus Arm
Found by Kira Hunter.
B-IV is tide-locked but companion gives day/night cycle.
It shifts temperature +/- 5°C.
#sf #worldbuilding
aahench.pythonanywhere.com/system?loc=D...
Trinary, F9/K7 & distant Y0 brown dwarf.
18.5k pc away, 120° anti-spinward, in Scutum-Centaurus Arm
Found by Kira Hunter.
B-IV is tide-locked but companion gives day/night cycle.
It shifts temperature +/- 5°C.
#sf #worldbuilding
December 22, 2025 at 7:07 PM
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
Trinary, F9/K7 & distant Y0 brown dwarf.
18.5k pc away, 120° anti-spinward, in Scutum-Centaurus Arm
Found by Kira Hunter.
B-IV is tide-locked but companion gives day/night cycle.
It shifts temperature +/- 5°C.
#sf #worldbuilding
aahench.pythonanywhere.com/system?loc=D...
Trinary, F9/K7 & distant Y0 brown dwarf.
18.5k pc away, 120° anti-spinward, in Scutum-Centaurus Arm
Found by Kira Hunter.
B-IV is tide-locked but companion gives day/night cycle.
It shifts temperature +/- 5°C.
#sf #worldbuilding
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
Binary, G6 & white dwarf. 1 habitable world w/ pre-sapients.
61 pc away; above, rimward, spinward.
20+ planets & moons have deep ocean-bound pre-sapients.
Social creatures like whales, in massive frozen oceans.
#sf #worldbuilding
aahench.pythonanywhere.com/system?loc=D...
Binary, G6 & white dwarf. 1 habitable world w/ pre-sapients.
61 pc away; above, rimward, spinward.
20+ planets & moons have deep ocean-bound pre-sapients.
Social creatures like whales, in massive frozen oceans.
#sf #worldbuilding
December 8, 2025 at 3:39 PM
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
Binary, G6 & white dwarf. 1 habitable world w/ pre-sapients.
61 pc away; above, rimward, spinward.
20+ planets & moons have deep ocean-bound pre-sapients.
Social creatures like whales, in massive frozen oceans.
#sf #worldbuilding
aahench.pythonanywhere.com/system?loc=D...
Binary, G6 & white dwarf. 1 habitable world w/ pre-sapients.
61 pc away; above, rimward, spinward.
20+ planets & moons have deep ocean-bound pre-sapients.
Social creatures like whales, in massive frozen oceans.
#sf #worldbuilding
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
4 stars, w/ giant & sub-giant. 1 suitable, 1 habitable planet.
75 pc away, anti-spinward.
Suitable planets have average temporature/atmosphere near Earth's.
But other factors can make them difficult homes.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=D...
4 stars, w/ giant & sub-giant. 1 suitable, 1 habitable planet.
75 pc away, anti-spinward.
Suitable planets have average temporature/atmosphere near Earth's.
But other factors can make them difficult homes.
#sf #worldbuilding
1/3
December 1, 2025 at 5:29 PM
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
4 stars, w/ giant & sub-giant. 1 suitable, 1 habitable planet.
75 pc away, anti-spinward.
Suitable planets have average temporature/atmosphere near Earth's.
But other factors can make them difficult homes.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=D...
4 stars, w/ giant & sub-giant. 1 suitable, 1 habitable planet.
75 pc away, anti-spinward.
Suitable planets have average temporature/atmosphere near Earth's.
But other factors can make them difficult homes.
#sf #worldbuilding
1/3
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
Semi-detached binary. K2 giant venting to M7 dwarf.
46.6pc away, above & coreward.
Dwarf has asteroid belt. Giant is close enough to melt rock.
So asteroids are steaming balls of red-hot lava within gas.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=D...
Semi-detached binary. K2 giant venting to M7 dwarf.
46.6pc away, above & coreward.
Dwarf has asteroid belt. Giant is close enough to melt rock.
So asteroids are steaming balls of red-hot lava within gas.
#sf #worldbuilding
1/3
November 24, 2025 at 4:15 PM
"Galactic Survey" system:
aahench.pythonanywhere.com/system?loc=D...
Semi-detached binary. K2 giant venting to M7 dwarf.
46.6pc away, above & coreward.
Dwarf has asteroid belt. Giant is close enough to melt rock.
So asteroids are steaming balls of red-hot lava within gas.
#sf #worldbuilding
1/3
aahench.pythonanywhere.com/system?loc=D...
Semi-detached binary. K2 giant venting to M7 dwarf.
46.6pc away, above & coreward.
Dwarf has asteroid belt. Giant is close enough to melt rock.
So asteroids are steaming balls of red-hot lava within gas.
#sf #worldbuilding
1/3
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
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
November 17, 2025 at 8:17 PM
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
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
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
November 10, 2025 at 5:07 PM
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
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
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
November 3, 2025 at 5:55 PM
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
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
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
October 27, 2025 at 5:34 PM
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
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
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
October 21, 2025 at 2:16 PM
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
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
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
December 9, 2024 at 3:39 AM
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
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