#triton — Public Fediverse posts

Triton may have a magnetic field, and a subsurface ocean to go with it

https://1ban.news/triton-magnetic-field-subsurface-ocean/
#1ban #triton #magnetic #field #subsurface #science

Triton may have a magnetic field, and a subsurface ocean to go with it

https://1ban.news/triton-magnetic-field-subsurface-ocean/
#1ban #triton #magnetic #field #subsurface #science

Triton

This photo of Triton is one of a continuing series of observatory phase images obtained by NASA Voyager spacecraft. Lines inscribed on the image at right form a reference grid used by the Imaging Science Team.

More: https://images.nasa.gov/details/PIA02221
Credit: NASA/JPL

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

Triton

This photo of Triton is one of a continuing series of observatory phase images obtained by NASA Voyager spacecraft. Lines inscribed on the image at right form a reference grid used by the Imaging Science Team.

More: https://images.nasa.gov/details/PIA02221
Credit: NASA/JPL

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

Triton Cantaloupe Terrain

This view of the volcanic plains of Neptune moon Triton was produced using topographic maps derived from images acquired by NASA Voyager spacecraft during its August 1989 flyby, 20 years ago this week.

More: https://images.nasa.gov/details/PIA12186
Credit: NASA/JPL/Universities Space Research Association/Lunar & Planetary Institute

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

Triton Cantaloupe Terrain

This view of the volcanic plains of Neptune moon Triton was produced using topographic maps derived from images acquired by NASA Voyager spacecraft during its August 1989 flyby, 20 years ago this week.

More: https://images.nasa.gov/details/PIA12186
Credit: NASA/JPL/Universities Space Research Association/Lunar & Planetary Institute

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

Je l'ai trouvé en jetant un œil dans les récupérateurs d'eau, flottant à la surface. J'ai cru qu'il était mort. En fait il était très vif, bon nageur. J’ai cru bien faire en le "sauvant" et en le mettant pas loin dans un endroit humide avec des abris
Maintenant je me demande si j'ai bien fait. Il a su y aller, il devait savoir en sortir, non ? Il avait besoin de cette eau pour se reproduire ? Je n'ai vu qu’1 individu...
L’an dernier j’ai vu des alpestres dans le jardin.
Il n'était pas orange sur le ventre. Un jeune ?
S'il y a des naturalistes dans le coin pour me dire ce qu'il faut faire dans ce cas là. J'ai peur d'avoir fait une bêtise
#potager
#triton

Flying Past #Neptune's #Moon #Triton
#Astronomy #Picture of the Day

https://apod.nasa.gov/apod/ap260623.html
https://apod.nasa.gov/image/2606/TritonPass_voyager2.mp4

#APOD #Voyager2

Flying Past #Neptune's #Moon #Triton
#Astronomy #Picture of the Day

https://apod.nasa.gov/apod/ap260623.html
https://apod.nasa.gov/image/2606/TritonPass_voyager2.mp4

#APOD #Voyager2

#war #iran Da Al-Dhafra a #Sigonella: la rotta dei #Triton #eau
di Antonio Mazzeo
Il ruolo della stazione aeronavale siciliana di Sigonella si è rivelato cruciale sin dalle fasi calde che hanno preceduto l’attacco statunitense e israeliano. Da quel momento, i droni MQ-4C Triton della Marina USA hanno solcato quotidianamente i cieli dell’isola per dirigersi verso lo scacchiere mediorientale.https://osservatorionomilscuola.com/2026/06/12/da-al-dhafra-a-sigonella-la-rotta-dei-triton/

Triton High Resolution View of Northern Hemisphere

This is one of the most detailed views of the surface of Triton taken by NASA Voyager 2 on its flyby of the large satellite of Neptune early in the morning of Aug. 25, 1989. The picture was stored on the tape recorder and relayed to Earth later. http://photojournal.jpl.nasa.gov/catalog/PIA00061

More: https://images.nasa.gov/details/PIA00061
Credit: NASA/JPL

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

Triton High Resolution View of Northern Hemisphere

This is one of the most detailed views of the surface of Triton taken by NASA Voyager 2 on its flyby of the large satellite of Neptune early in the morning of Aug. 25, 1989. The picture was stored on the tape recorder and relayed to Earth later. http://photojournal.jpl.nasa.gov/catalog/PIA00061

More: https://images.nasa.gov/details/PIA00061
Credit: NASA/JPL

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

Complex Geologic History of Triton

Part of the complex geologic history of icy Triton, Neptune largest satellite, is shown in this NASA Voyager 2 photo. The photo was received as part of a Triton-mapping sequence in 1989.

More: https://images.nasa.gov/details/PIA01538
Credit: NASA/JPL

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

@astropic
7/
As soon as that gas hits the colder territory just outside the main cap, it instantly flashes back into fresh, highly reflective frost. This bright border perfectly outlines the irregular, scalloped geometry of the retreating ice edge.

#astronomy
#Triton

@astropic
7/
As soon as that gas hits the colder territory just outside the main cap, it instantly flashes back into fresh, highly reflective frost. This bright border perfectly outlines the irregular, scalloped geometry of the retreating ice edge.

#astronomy
#Triton

@astropic
6/
3. The "Bright Fringe" Illusion
To make the scalloping look even sharper in the photograph, there is a brilliant, high-contrast white "fringe" riding right along the scalloped margin.

As the main ice cap sublimates and retreats southward under the summer sun, intense polar winds blow the evaporating nitrogen gas northward toward the colder equatorial regions.

#astronomy
#Triton

@astropic
6/
3. The "Bright Fringe" Illusion
To make the scalloping look even sharper in the photograph, there is a brilliant, high-contrast white "fringe" riding right along the scalloped margin.

As the main ice cap sublimates and retreats southward under the summer sun, intense polar winds blow the evaporating nitrogen gas northward toward the colder equatorial regions.

#astronomy
#Triton

@astropic
5/
The wavy, scalloped edge you see is literally the ice sheet "hugging" the topography of the moon—filling in the low spots and curving around the high spots, much like a shoreline curves around bays and peninsulas on Earth.

#astronomy
#Triton

@astropic
5/
The wavy, scalloped edge you see is literally the ice sheet "hugging" the topography of the moon—filling in the low spots and curving around the high spots, much like a shoreline curves around bays and peninsulas on Earth.

#astronomy
#Triton

@astropic
4/
2. #Embaying the Rugged Landscape

#Triton’s underlying crust is incredibly rugged, featuring a wrinkled, dimpled texture famously known as "cantaloupe terrain." When the giant nitrogen ice sheet originally deposited across the hemisphere during the long winter, it behaved like a slow-moving, freezing fog, flowing into the lowest points of the landscape. It filled the valley floors, basins, and low-lying plains while leaving higher ridges and older volcanic structures exposed.

@astropic
4/
2. #Embaying the Rugged Landscape

#Triton’s underlying crust is incredibly rugged, featuring a wrinkled, dimpled texture famously known as "cantaloupe terrain." When the giant nitrogen ice sheet originally deposited across the hemisphere during the long winter, it behaved like a slow-moving, freezing fog, flowing into the lowest points of the landscape. It filled the valley floors, basins, and low-lying plains while leaving higher ridges and older volcanic structures exposed.

@astropic
3/
Because the ice cap isn't perfectly uniform, it didn't evaporate evenly. Areas that were slightly darker or contained microscopic dust absorbed more sunlight, heating up faster and eating inward into the ice sheet, leaving behind those deep, rounded, hollowed-out "scallops."

#astronomy
#Triton

@astropic
3/
Because the ice cap isn't perfectly uniform, it didn't evaporate evenly. Areas that were slightly darker or contained microscopic dust absorbed more sunlight, heating up faster and eating inward into the ice sheet, leaving behind those deep, rounded, hollowed-out "scallops."

#astronomy
#Triton

@astropic
2/
When Voyager 2 arrived, Triton's southern hemisphere was in the middle of a decades-long extreme summer. The sun was beating down directly on the ice cap, causing the frozen nitrogen to sublime—turning directly from a solid ice into a gas without melting into liquid first.

#astronomy
#Triton

@astropic
2/
When Voyager 2 arrived, Triton's southern hemisphere was in the middle of a decades-long extreme summer. The sun was beating down directly on the ice cap, causing the frozen nitrogen to sublime—turning directly from a solid ice into a gas without melting into liquid first.

#astronomy
#Triton

@astropic
2/
1. The Great Nitrogen Melt (Sublimation)

Triton’s polar cap isn't made of water ice; it is a massive, highly volatile layer of frozen nitrogen, methane, and carbon monoxide. Because Triton has a highly irregular, 165-year orbit around the Sun, its poles experience incredibly long, intense seasons.

#Triton
#astronomy
#sublimation

@astropic
2/
1. The Great Nitrogen Melt (Sublimation)

Triton’s polar cap isn't made of water ice; it is a massive, highly volatile layer of frozen nitrogen, methane, and carbon monoxide. Because Triton has a highly irregular, 165-year orbit around the Sun, its poles experience incredibly long, intense seasons.

#Triton
#astronomy
#sublimation

@astropic

The unique "scalloped" look along the edges of Triton’s southern polar cap is one of its most fascinating geological mysteries. While we only have the data from Voyager 2's 1989 flyby, planetary scientists attribute those wavy, scalloped margins to a combination of two major factors: seasonal sublimation and topographic "embaying."

Here is how that alien process actually works down on the ground:

#Triton
#scalloping
#sublimation
#embaying

@astropic

The unique "scalloped" look along the edges of Triton’s southern polar cap is one of its most fascinating geological mysteries. While we only have the data from Voyager 2's 1989 flyby, planetary scientists attribute those wavy, scalloped margins to a combination of two major factors: seasonal sublimation and topographic "embaying."

Here is how that alien process actually works down on the ground:

#Triton
#scalloping
#sublimation
#embaying

@astropic
2/
#alttext

Closely bordering this edge is a bright equatorial fringe composed of highly reflective material, from which faint, diffuse white rays streak north-northeastward like wind-blown frost across the darker, rugged terrain above. The overall composition creates a geometric, cellular appearance across the planetary sphere.

#Triton

@astropic
2/
#alttext

Closely bordering this edge is a bright equatorial fringe composed of highly reflective material, from which faint, diffuse white rays streak north-northeastward like wind-blown frost across the darker, rugged terrain above. The overall composition creates a geometric, cellular appearance across the planetary sphere.

#Triton

@astropic
#AltText
A circular polar projection photograph captured by NASA’s Voyager 2 spacecraft, showing a comprehensive view of the southern hemisphere of Neptune's largest moon, #Triton. The planet’s surface is rendered in stark shades of gray, white, and dark charcoal. Covering the lower portion of the moon's visible disk is a massive, highly textured southern polar cap. The upper margin of this cap features a distinctively scalloped, wavy edge that weaves unevenly across lines of latitude

@astropic
#AltText
A circular polar projection photograph captured by NASA’s Voyager 2 spacecraft, showing a comprehensive view of the southern hemisphere of Neptune's largest moon, #Triton. The planet’s surface is rendered in stark shades of gray, white, and dark charcoal. Covering the lower portion of the moon's visible disk is a massive, highly textured southern polar cap. The upper margin of this cap features a distinctively scalloped, wavy edge that weaves unevenly across lines of latitude

Triton Southern Hemisphere

This polar projection from NASA Voyager 2 of Triton southern hemisphere provides a view of the southern polar cap and bright equatorial fringe. The margin of the cap is scalloped and ranges in latitude from +10 degrees to -30 degrees. The bright fringe is closely associated with the cap's margin; from it, diffuse bright rays extend north-...

More: https://images.nasa.gov/details/PIA00423
Credit: NASA/JPL/USGS

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

Triton Southern Hemisphere

This polar projection from NASA Voyager 2 of Triton southern hemisphere provides a view of the southern polar cap and bright equatorial fringe. The margin of the cap is scalloped and ranges in latitude from +10 degrees to -30 degrees. The bright fringe is closely associated with the cap's margin; from it, diffuse bright rays extend north-...

More: https://images.nasa.gov/details/PIA00423
Credit: NASA/JPL/USGS

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

#DerStandard:
"
Ein einziger Mond hat einst ein Inferno in Neptuns Umlaufbahn überstanden
"
"Der drittgrößte Neptunmond Nereid ist nach einer neuen Studie sein einziger originaler Mond. Die anderen stammen aus dem Kuipergürtel und vernichteten die ursprünglichen Monde"

https://www.derstandard.at/story/3000000321514/ein-einziger-mond-hat-einst-ein-inferno-in-neptuns-umlaufbahn-ueberstanden?ref=niewidget

23.5.2026

#Astronomie #JWST #Kuipergürtel #Neptun #Nereid #Planetologie #Spektrometer #Triton #Weltraumteleskop

#DerStandard:
"
Ein einziger Mond hat einst ein Inferno in Neptuns Umlaufbahn überstanden
"
"Der drittgrößte Neptunmond Nereid ist nach einer neuen Studie sein einziger originaler Mond. Die anderen stammen aus dem Kuipergürtel und vernichteten die ursprünglichen Monde"

https://www.derstandard.at/story/3000000321514/ein-einziger-mond-hat-einst-ein-inferno-in-neptuns-umlaufbahn-ueberstanden?ref=niewidget

23.5.2026

#Astronomie #JWST #Kuipergürtel #Neptun #Nereid #Planetologie #Spektrometer #Triton #Weltraumteleskop

Nereid Could be Neptune’s Only Original Moon
https://atlas.whatip.xyz/post.php?slug=nereid-could-be-neptunes-only-original-moon
<p>New research suggests that Triton — or a Triton-like object — might have disrupted Neptune&#039;s
#original #neptune #nereid #triton

Montage of Neptune and Triton

This computer generated montage created from images obtained by NASA Voyager 2 shows Neptune as it would appear from a spacecraft approaching Triton, Neptune largest moon at 2706 km 1683 mi in diameter. http://photojournal.jpl.nasa.gov/catalog/PIA00340

More: https://images.nasa.gov/details/PIA00340
Credit: NASA/JPL/USGS

#triton #voyager #astrodon #astronomy #astrophotography #astrophysics

🌔🪐 #Space near #Earth is far more varied than just craters and dust. Planetary scientists describe #moons that defy expectations, like #Iapetus with its walnut-like ridge and #Triton’s backward orbit.

👉 https://www.skyatnightmagazine.com/solar-system/weirdest-moons-solar-system

#astronomy #solarsystem #geology #neptune #uranus #saturn #jupiter #hyperion #io #science #exploration

🌔🪐 #Space near #Earth is far more varied than just craters and dust. Planetary scientists describe #moons that defy expectations, like #Iapetus with its walnut-like ridge and #Triton’s backward orbit.

👉 https://www.skyatnightmagazine.com/solar-system/weirdest-moons-solar-system

#astronomy #solarsystem #geology #neptune #uranus #saturn #jupiter #hyperion #io #science #exploration

Schanuel's Conjecture and the Semantics of Triton's FPSan

https://cp4space.hatsya.com/2026/05/03/schanuels-conjecture-and-the-semantics-of-fpsan/

#HackerNews #SchanuelsConjecture #Triton #FPSan #Semantics #Mathematics #Research