MAST: Barbara A. Mikulski Archive for Space Telescopes
Map of the Universe from Johns Hopkins University and others.....
Johns Hopkins University (JHU) continues to pad its space community résumé with their interactive map, “The map of the observable Universe”,
that takes viewers on a 13.7-billion-year-old tour of the cosmos from the present to the moments after the Big Bang.
While JHU is responsible for creating the site, additional contributions were made by NASA, the European Space Agency,
the National Science Foundation, and the Sloan Foundation.
JWST's weekly observing schedule:
NASA's Unverse of Learning
An Integrated AstroPhisics STEM Learning and Literacy program
A Closer Look at Triton, Neptune’s Backwards Moon That Was Once a Dwarf Planet Like Pluto!
Few worlds in our solar system are as fascinating as Neptune's icy moon Triton. This bizarre moon is covered in intriguing features,
the most noticeable being its active geysers, but also its unique backwards orbit, making it the only large moon that rotates clockwise.
But it's not just its surface and orbit that are fascinating, below its frozen crust, a secret subsurface ocean may exist that potentially
harbours the right ingredients necessary for life. So much of Triton still remains a mystery, but thanks to the Voyager 2 spacecraft,
we can take a closer look at this incredible moon!
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The First REAL Images Taken From The Surface Triton
Welcome to the exciting world of space exploration! In this video, we're excited to announce that the
first REAL images have been taken from the surface of Triton, the largest moon of Neptune!
This groundbreaking documentary film follows a team of scientists as they undertake the complex and
dangerous journey to capture these stunning images. Not only are these images the first taken from Triton's surface,
but they also reveal new information about the mysterious giant planet Jupiter and its moon, moon of moon, Triton!
TRITON!, an Artist Impression of Neptune from Triton
Map of Neptune's Moon Triton
Paul Schenk of the Lunar and Planetary Institute used data from NASA's Voyager 2 spacecraft,
which flew by Neptune and its big moon Triton on Aug. 25, 1989, to create this best-ever global color map of the moon.
"In the intervening quarter century and its many discoveries, I think we have tended to forget how strange and exotic Triton really is!"
Schenk wrote in a blog post Thursday (Aug. 21, 2014).
TRITON: A moon with atmosphere
by Emily Lakdawalla
NASA / JPL / Ted Stryk
Triton color global view
Voyager 2 acquired the images for this high-resolution mosaic of Triton on August 25, 1989.
The south pole is at the left; several of Triton's famous south polar geysers are visible.
Toward the equator at right, Triton is covered with a strange "cantaloupe terrain".
Neptune’s Moon of Triton(Mosaic)
by FRASER CAIN on JULY 28, 2015
Global Color Mosaic of Triton, taken by the Voyager 2 spacecraft in 1989. Credit: NASA/JPL/USGS
TRITON’S ARRIVAL WAS CHAOS FOR THE REST OF NEPTUNE’S MOONS
Artist's impression of what the surface of Triton may look like.
Credit: ESO
Neptune and its large moon Triton as seen by Voyager 2 on August 28th, 1989.
Credit: NASA
Montage of Neptune’s largest moon, Triton and the planet Neptune showing the moon’s
sublimating south polar cap (bottom) and enigmatic “cantaloupe terrain”.
Credit: NASA
The moons of Uranus and Neptune as imaged during the 2011 opposition season.
Credit: Rolf Wahl Olsen.
Neptune's largest moon Triton boasts an uncommon icy mixture of carbon monoxide
and nitrogen, which could help astronomers better understand the conditions
of other distant alien worlds.
Using the Gemini Observatory in Chile and the high-resolution spectrograph called
IGRINS (Immersion Grating Infrared Spectrometer), a visiting instrument for Gemini,
astronomers detected a distinct infrared signature on Triton, revealing a mixture of
carbon monoxide and nitrogen frozen as solid ice. This finding helps explain
seasonal atmospheric changes on Triton and how material is transported across the
moon's surface via geysers, according to a statement.
Prior to detecting this unique signature on Triton, researchers first identified the
specific wavelength of infrared light absorbed by an ice mixture of carbon monoxide
and nitrogen molecules in the lab.
"While the icy spectral fingerprint we uncovered was entirely reasonable, especially
as this combination of ices can be created in the lab, pinpointing this specific
wavelength of infrared light on another world is unprecedented," Stephen Tegler,
lead author of the study from Northern Arizona University's
Astrophysical Materials Laboratory, said in the statement.
The icy mixture detected on Triton could help explain the moon's iconic geysers,
which are the dark, windblown streaks first observed by NASA's Voyager 2 spacecraft
in the moon's south polar region. These distinct streaks are believed to be erupted material
from an internal ocean, or an icy mixture that migrates around the surface in response
to changing seasonal patterns of sunlight, according to the statement.
"Despite Triton's distance from the sun and the cold temperatures, the weak sunlight
is enough to drive strong seasonal changes on Triton's surface and atmosphere,"
Henry Roe, deputy director of Gemini and a member of the research team, said in the statement.
"This work demonstrates the power of combining laboratory studies with telescope observations
to understand complex planetary processes in alien environments so different from
what we encounter every day here on Earth."
In fact, NASA's New Horizons spacecraft found that carbon monoxide and nitrogen ices coexist on Pluto.
However, the recent findings are the first evidence of these ices mixing, according to the statement.
Therefore, the study, which will be published in The Astronomical Journal,
sheds light on the possible composition of ices and seasonal variations in the
atmosphere on other distant worlds beyond Neptune.
Videos
Could we live on Triton?
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Welcome to Triton, one of Neptune’s moons, super-chilled and covered in frozen nitrogen snow.
It would be big enough for us to live on, the question is, could we?
Triton is the largest natural satellite of the planet Neptune, and the first Neptunian moon
to be discovered, by English astronomer William Lassell in 1846.
It is the only large moon in the Solar System with a retrograde orbit, an orbit
in the opposite direction to its planet's rotation.
Clip taken from the Naked Science documentary “Deadliest Planets”.
Talk about recycling! Twenty-five years after Voyager 2 zinged past Neptune�s moon Triton,
scientists have put together a new map of the icy moon�s surface using the old data.
The information has special relevance right now because the New Horizons spacecraft is approaching Pluto fast,
getting to the dwarf planet in less than a year. And it�s quite possible that Pluto and Triton will look similar.
VOYAGER 2 AT TRITON
Published on Aug 21, 2014
The Voyager 2 spacecraft flew by Triton, a moon of Neptune, on August 25, 1989. Paul Schenk,
a scientist at the Lunar and Planetary Institute in Houston, used Voyager data to construct this video recreating that exciting encounter.
Exploring Neptune's Captured Kuiper Belt Object
Published on May 6, 2016
In the summer of 1989 Earthlings got their first view of Neptune and its formidable moon Triton.
Fast forward 25 years and scientists are working on technologies to not only visit this icy moon but ‘hop'
around on its surface too.
NASA 360 joins Geoffrey A. Landis and Steven Oleson, both of NASA Glenn Research Center, as they discuss their concept for a hopper vehicle to explore Triton.
This video was developed from a live recording at the 2015 NIAC Fall Symposium in October, 2015.
To watch the full original talk please visit:To learn about NASA Innovative Advanced Concepts please visit:
This video represents a research study within the NASA Innovative Advanced Concepts (NIAC) program.
NIAC is a visionary and far-reaching aerospace program, one that has the potential to create breakthrough technologies
for possible future space missions. However, such early stage technology development may never become actual NASA missions. For more information about NIAC
Our Solar System's Moons: Triton
Everything you could want to know about Neptune's largest moon, Triton. NASA Voyager 2 images of Triton explained.
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Image Credits: NASA
Music Credits:
Stellardrone - Ultra Deep Field
Stellardrone - Cepheid
Neutrin05 - Above the Clouds
Triton - The Orphan Moon
The Lesser Worlds - Episode #2
At the most distant recesses of our Solar System lay the ice giant planets, Uranus and Neptune. We have only managed to visit these worlds once, and as such we know considerably less about the moons that orbit them. However, one moon stands out from the rest - Triton. Today, we will examine its unique features, and also relive the story of how this Kuiper Belt object came to be Neptune's largest satellite.
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Sources, Footage and Attribution: ==========================
MUSIC:
- We Were Never Meant to Live Here - Chris Zabriskie
- Let the Pain Speak to Me - Chris Zabriskie
- That Hopeful Future is All I've Ever Known - Chris Zabriskie
All tracks by Chris Zabriskie licensed under a Creative Commons Attribution license https://creativecommons.org/licenses/by/4.0/">
Artist:
FOOTAGE:
Multiple sequences in this video were captured using SpaceEngine Pro,
a virtual universe simulator!
Get SpaceEngine on Steam and try it for yourself: https://store.steampowered.com/app/314650/SpaceEngine/">
Much of the stock footage in this video was provided by Videezy.com.
Check them out:
- A Space Journey (8m Exhibition):Voyager II:Geysers:
SOURCES OF INFORMATION:
- NASA on Triton:
- Triton's Geological Activity: BBC Two's "The Planets" with Professor Brian Cox - Episode #5 - "Into the Darkness - Ice Worlds"
- Trident Mission:
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NASA Thinks it’s Time to Return to Neptune With its Trident Mission
Is it time to head back to Neptune and its moon Triton? It might be. After all, we have some unfinished business there.
It’s been 30 years since NASA’s Voyager 2 spacecraft flew past the gas giant and its largest moon, and that flyby posed
more questions than it answered. Maybe we’ll get some answers in 2038, when the positions of Jupiter,
Neptune, and Triton will be just right for a mission.
NASA is deliberating over the next mission in its Discovery Program, narrowing it down to four possibilities:
a mission to study Venus’ atmosphere, one to observe volcanic activity on Jupiter’s moon Io, one to map Venus’
surface and study its geology, and one to explore Neptune’s moon Triton.
Global Color Mosaic of Triton, taken by Voyager 2 in 1989.
Credit: NASA/JPL/USGS
Triton is by far the largest of Neptune’s moons. It’s in a counter-rotation with neptune,
and is most likely a captured Kuiper Belt Object, rather than an in-situ moon.
Neptune’s outer moon Neried is on a highly elliptical orbit and is not shown.
Image Credit: NASA / ESA / A. Feild, STScI
The surface of Triton is very rugged, scarred by rising blobs of ice, faults and volcanic pits and lava flows
composed of water and other ices. The surface is also extremely young and sparsely cratered,
and could be geologically active today. This Voyager image shows the moon’s “cantaloupe terrain.”
This scene is on the order of 150 meters (500 feet) across. Vertical relief has been exaggerated
by a factor of 25 to aid interpretation.
Image Credit: NASA/JPL/Universities Space Research Association/Lunar & Planetary Institute
Three grainy images of Triton’s surface from Voyager 2. This is a time sequence of image taken 45 minutes apart,
from top to bottom. They show a dark geyser-like plume of material reaching a height of 8 km (5 mi) above the surface.
The cloud of material drifts downward to the right for about 150 km (100 miles) and appears to get denser in each image.
Image Credit: NASA/JPL
This Voyager 2 images shows a close-up of a prominent chain of volcanic features surrounded by smooth volcanic plains
formed by lavas or ash deposits of water or other ices, such as methane or ammonia. The smaller pits and domes
are typically 10 kilometers (6 miles) across and have relief of no more than a few hundred meters (several hundred feet).
The large depressions at the far left and right of the chain are 50 to 80 kilometers (31 to 50 miles) across.
Image Credit: NASA/JPL/Universities Space Research Association/Lunar & Planetary Institute
A new Discovery mission proposal, Trident would explore Neptune’s largest moon, Triton, which is potentially an ocean world
with liquid water under its icy crust. Trident aims to answer the questions outlined in the graphic illustration above.
Credit: NASA/JPL-Caltech
Artist’s conception of the Triton Hopper mission.
Credit – S. Oleson
A Hopper Could Explore Over 150km of Triton’s Surface In Two Years
Triton Hopper: A Lander on Neptune's Moon Triton
Triton is a moon of Neptune and it is also one of the most interesting moons in the Solar System.
In this video i take a look at Triton Hopper, which is a lander that will also hop on the surface and fly,
that is if it ever gets the chance to.
My twitter: / dreksler_astral
Intro, outro and other clips in the video were made with Space Engine.
Music: Kevin MacLeod - Martian Cowboy
Exploring the Mysteries of Triton with Dr. Jason Hofgartner
My guest today is Dr. Jason Hofgartner, a planetary scientist specializing in icy worlds of the Solar System.
Jason wrote a recent paper about the nature of Neptune's moon Triton, first discovered by Voyager 2 back in 1989.
Dr. Jason Hofgartner's profile page
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