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.
A look at Neptune, a potential gateway to the stars... Visit our sponsor, Brilliant: The Icy Giants, Neptune and Uranus, are often overlooked for as candidates for colonizing our solar system. Even when noted, the focus tends to be on their larger moons like Triton. Today we will challenge that notion by looking at way we might place a colony on the planet itself, and how Orbital Rings and Chandelier Cities might let us colonize any gas giant. We will also look at how helium-3, a core ingredient of aneutronic fusion abundant on Neptune, might serve as the fuel of future starships, and the physics behind some other starship drives future science might give us access to, such as laser propulsion. Credits: Outward Bound: Colonizing Neptune Episode 152, Season 4 E38 Social Media: Facebook Group Reddit: Twitter:on Twitter and RT our future content. SFIA Discord Server: Music: Markus Junnikkala, "Hail the Victorious Dead" Serena Ellis, "Science" Stellardrone, "Cepheid" Chris Zabriskie,"We Were Never Meant to Live Here" Aerium, "Fifth star of Aldebaran" NJ Mandaville, "Swell" Caption author (Spanish (Spain)) Fer blancart Writers: Isaac Arthur Editors: Darius Said Gregory Leal Jerry Guern Keith Blockus Mark Warburton Matthew Acker Sigmund Kopperud Producer Isaac Arthur
JHU Applied Physics Laboratory 45.6K subscribers Neptune Odyssey The Johns Hopkins University is a planetary mission concept study conducted by the Johns Hopkins Applied Physics Laboratory under contract from NASA to support the 2023-2032 Planetary Science and Astrobiology Decadal Survey. The mission concept involves a spacecraft entering into orbit around the ice giant planet Neptune, deploying an atmospheric entry probe into Neptune's atmosphere. The orbiter would study Neptune, its rings, small satellites and space environment, as well as the captured dwarf planet, moon and likely ocean world, Triton.
Like a long-married couple accustomed to each other’s kitchen habits, two of Neptune’s moons are masters at sharing space without colliding. And though both situations may appear odd to an observer, there’s a certain dance-like quality to them both.
Naiad and Thalassa were discovered by Voyager 2 in 1989. Image Credit: NASA/JPL-Caltech.
An observer sitting on Thalassa would see Naiad in an orbit that varies wildly in a zigzag pattern, passing by twice from above and then twice from below. Credit: NASA/JPL-Caltech
credits: 1 Marina Brozović, 2 Mark R. Showalter, 1 Robert A. Jacobson, 2 Robert S. French, 3 Jack J. Lissauer, 4 Imke de Pater 1 Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109-8099, USA 2 SETI Institute, Mountain View, CA 94043, USA 3 Space Science & Astrobiology Division, MS 245-3, NASA Ames Research Center, Moffett Field, CA 94035, USA, orcid ID 0000-0001-6513-1659 4 University of California Berkeley, Berkeley, CA 94720, USA
The moons of Uranus and Neptune are some of the most fascinating and least known worlds in the Solar System. Here's what we know about them. Me on Facebook: Me on Twitter:
Neptune is about 30 times farther from the Sun than our Earth. As the last of the major planets, it orbits the Sun almost in complete darkness. Due to the lack of light, Neptune can only be seen from Earth with very good telescopes. The latest telescope now provided brand new views of this normally luminous blue planet. In this photo from the James Webb Telescope, Neptune shines almost as brightly as a star. But where did the glow suddenly come from, and what makes this planet so unique? Let's take a look at the latest discoveries and findings about the enigmatic ice giant Neptune.
NASA's Voyager 2 spacecraft gave humanity its first glimpse of Neptune and its moon Triton in the summer of 1989. This picture of Neptune was produced from the last whole planet images taken through the green and orange filters on the Voyager 2 narrow angle camera. The images were taken on Aug. 20, 1989, at a range of 4.4 million miles from the planet, 4 days and 20 hours before closest approach on Aug. 25. The picture shows the Great Dark Spot and its companion bright smudge; on the west limb the fast moving bright feature called "Scooter" and the little dark spot are visible. These clouds were seen to persist for as long as Voyager's cameras could resolve them. North of these, a bright cloud band similar to the south polar streak may be seen. In the summer of 2015, another NASA mission to the farthest zone of the solar system, New Horizons, will make a historic first close-up study of Pluto. Although a fast flyby, New Horizons' Pluto encounter on July 14, 2015, will not be a replay of Voyager but more of a sequel and a reboot, with a new and more technologically advanced spacecraft and, more importantly, a new cast of characters. Those characters are Pluto and its family of five known moons, all of which will be seen up close for the first time next summer(2015) Image Credit: NASA
ESO’s Very Large Telescope (VLT) has achieved first light with a new adaptive optics mode called laser tomography — and has captured remarkably sharp test images of the planet Neptune, star clusters and other objects. The pioneering MUSE instrument in Narrow-Field Mode, working with the GALACSI adaptive optics module, can now use this new technique to correct for turbulence at different altitudes in the atmosphere. It is now possible to capture images from the ground at visible wavelengths that are sharper than those from the NASA/ESA Hubble Space Telescope. The combination of exquisite image sharpness and the spectroscopic capabilities of MUSE will enable astronomers to study the properties of astronomical objects in much greater detail than was possible before. This ESOcast gives a taste of these remarkable results. The video is available in 4K UHD. The ESOcast Light is a series of short videos bringing you the wonders of the Universe in bite-sized pieces. The ESOcast Light episodes will not be replacing the standard, longer ESOcasts, but complement them with current astronomy news and images in ESO press releases. More information and download options: Subscribe to ESOcast in iTunes! Receive future episodes on YouTube by pressing the Subscribe button above or follow us on Vimeo: : Watch more ESOcast episodes Find out how to view and contribute subtitles for the ESOcast in multiple languages, or translate this video on YouTube: Credit: ESO Directed by: Nico Bartmann. Editing: Nico Bartmann. Web and technical support: Mathias André and Raquel Yumi Shida. Written by: Stephen Molyneux and Richard Hook. . Music: tonelabs Footage and photos: ESO, R. Bacon, P. Weilbacher (AIP), C. Malin (christophmalin.com), L. Calçada and MUSE consortium. Executive producer: Lars Lindberg Christensen. Caption author (Vietnamese) Sang Mai Thanh Caption author (Croatian) GemSirin Caption author (Portuguese (Brazil)) Juvenal Caon Category Science & Technology License Creative Commons Attribution license (reuse allowed)
A snapshot of Neptune’s magnetic field from the movie. Credit: Lars Mejnertsen, Imperial College London
Although new missions to Neptune have been proposed, none are likely to arrive for many decades.
So for now, the only way to better understand how the planet works is through computer simulations.
In a new example of interdisciplinary research at Imperial College London, the space and atmospheric
physics group and the plasma physics group have been working together to address this challenge.
: "Read more
Neptune and its moons. Credit: NASA
Hubble Space Telescope composite picture showing the location of a newly discovered moon,
designated S/2004 N 1. Credit: NASA, ESA, and M. Showalter (SETI Institute).
The labeled ring arcs of Neptune as seen in newly processed data. The image spans 26 exposures combined into a equivalent 95 minute exposure, and the ring trace and an image of the occulted planet Neptune is added for reference. (Credit: M. Showalter/SETI Institute).
The interior structure of Neptune. Credit: Moscow Institute of Physics and Technology
Composition and interior structure of Neptune. Credit: NASA
Time line Neptune's incredible shrinking storm credit: NASA
Voyager 2 captured this image of Neptune in 1982, when it was over 7 million km (4.4 million miles) away from the planet. The Great Dark Spot in the middle of the image was the first storm ever seen on Neptune. Image: By NASA (JPL image) [Public domain], via Wikimedia Commons
For the first time, NASA's Hubble Space Telescope has captured time-lapse images of a large, dark storm on Neptune shrinking out of existence. A recent Hubble program called Outer Planets Atmosphere Legacy, or OPAL, provides yearly global maps of our gas giant planets, allowing planetary scientists to view changes in formations such as Neptune's dark storms. Read the full story on View the full image release - Find the science paper -(PDF) Credit: NASA’s Goddard Space Flight Center/Katrina Jackson Music credit: "Struggling in the City" by Emre Ramazanoglu [PRS], Jamie Michael Bradley Reddington [PRS], and Patrick Green [PRS]; Atmosphere Music Ltd [PRS]; BLOCK; Killer Tracks Production Music This video is public domain and along with other supporting visualizations can be downloaded from the Scientific Visualization Studio at: If you liked this video, subscribe to the NASA Goddard YouTube channel: Or subscribe to NASA’s Goddard Shorts HD Podcast: Follow NASA’s Goddard Space Flight Center · Facebook: · Twitter · Flickr · Instagram · Google+ Category Science & Technology License Standard YouTube License
Storms on Neptune seem to follow a pattern of forming, strengthening and then dissipating over the course of about two Earth years. But a Neptunian storm spotted in the planet’s atmosphere over two years ago has done something quite different: it has reversed course and is still going strong. The storm, which is wider than the Atlantic Ocean, originated in the planet’s northern hemisphere and seen with the Hubble Space Telescope in 2018. Observations a year later showed that it began drifting southward toward the equator, where previous similar whirling storms went to die. But recent observations with Hubble spotted the vortex doubling back to the north in August of 2020.
Neptune, captured by Voyager 2. Image credit: NASA
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We’ve only seen Uranus and Neptune one time up close. There are now some mission ideas in the works that might take us back. NASA's missions: : Visit the sub-reddit Sign up to my weekly email newsletter: Support us at:Support us at: Follow us on Tumblr: More stories at Follow us on Twitter: @universetoday Like us on Facebook: Instagram - Team: Fraser Cain - @fcain / frasercain@gmail.com /Karla Thompson - @karlaii Chad Weber -
The ESA has been considering a mission to both of our Solar System’s ice giants and their moons. Ice Giant atmospheres are shaped by dynamical, chemical and radiative processes that are not found elsewhere in our Solar System. Triton’s strange properties makes it stand out from its peers. Images A & C are false-colour representations of Voyager 2 observations of Uranus and Neptune, respectively. Images B and D were acquired by the Hubble Space Telescope in 2018. Image Credit: Fletcher et al, 2020.
Everything you could want to know about Neptune. A refresh of the Astrum ‘Our Solar System’ series, updated to reflect all we’ve learned about our planetary neighbourhood in the last few years. Compare news coverage. Spot media bias. Avoid algorithms. Try Ground News today and get 40% off your subscription by going to https://ground.news/astrum Astrum Podcast: Displate Posters: Astrum Merch! Join the official Astrum discord server: A huge thanks to our Patreons who help make these videos possible. Sign-up here: SUBSCRIBE for more videos about our other planets. Subscribe! Facebook! Twitter! --------------------------- Astrum Hindi: Astrum Spanish: Credits Writer: Jon McColgan Editor: Felix Dennis / Nathalia Gardin Thumbnail Designer: Peter Sheppard Producer: Alex McColgan / Raquel Taylor NASA/ESO/ESA #astrum #neptune #solarsystem #solarsystemplanets #space #planets #hubble
Interior of Neptune Credit – Vadim Sadovski
Neptune's rotational axis (28.3°) is a little more tilted than Earth's (23.5°) and, because it has no solid surface, its equatorial atmosphere spins more slowly (18 hrs.) than its magnetic field (16 hrs.). Researchers at London's Imperial College have combined Voyager's dataset with plasma and atmosphere observations to accurately model Neptune’s magnetosphere for the first time. -- Full Story: Credit: Imperial College, London / NASA / Space.com
We’ve only seen Uranus and Neptune one time up close. There are now some mission ideas in the works that might take us back. NASA's missions: Follow us on Twitter: @universetoday Like us on Facebook: Instagram - Instagram - Team: Fraser Cain - @fcain / frasercain@gmail.com /Karla Thompson - @karlaii Chad Weber - Chloe Cain - Instagram: @chloegwen2001 Music: Left Spine Down - “X-Ray” Team: Fraser Cain - @fcain / frasercain@gmail.com Karla Thompson - @karlaii / Karla Thompson's youtube channel Chad Weber - weber.chad@gmail.com Chloe Cain - Instagram: @chloegwen2001
Chart of changes in Neptune’s atmospheric temperature. Credit – Michael Roman/NASA/JPL/Voyager-ISS/Justin Cowart
Some visible and infrared measurements of Neptune’s atmosphere. Credit – Michael Roman/NASA/ESA/STSci/M.H. Wong/L.A. Sromovsky/P.M. Fry
Earlier this year, NASA announced 4 new Discovery-class missions that they were considering. These are low-cost, rapidly-built missions that will help scientists understand some mystery in astronomy and planetary science. One of these missions is called Trident, and it’s going to be targeting the Planet Neptune. And more specifically, it’s going to be providing close up pictures of its largest moon Triton. Want to see this video early? Join our community at Our Book is out! Audio Podcast version: ITunes: : RSS : Universetoday's youtube channel Sign up to my weekly email newsletter: Weekly Space Hangout: Astronomy Cast: Support us at:Support us at: Follow us on Tumblr: More stories at Like us on Facebook: Instagram - Support us at:Support us at: Follow us on Twitter: @universetoday Instagram - Team: Fraser Cain - @fcain / frasercain@gmail.com /Karla Thompson - @karlaii Chad Weber - Chloe Cain - Instagram: @chloegwen2001 Music: Left Spine Down - “X-Ray” Team: Fraser Cain - @fcain / frasercain@gmail.com Karla Thompson - @karlaii / Karla Thompson's youtube channel Chad Weber - weber.chad@gmail.com Chloe Cain - Instagram: @chloegwen2001Like us on Facebook: Instagram - Support us at:Support us at: References: Images Voyager Took of Neptune USRA Logo About USRA MENU © 2022 Universities Space Research Association 7178 Columbia Gateway Drive, Columbia, MD 2104 Footer Login for BOT & COI Terms of Use Privacy Policy For Employees Universities Space Research Association Planetary Missions Program Office 50th Lunar and Planetary Science Conference 2019 (LPI Contrib. No. 2132) (PDF) Is It Time To Go Back to Uranus and Neptune? Revisiting Ice Giants of the Solar System?
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It’s Thought to Rain Diamonds on Uranus and Neptune, and now Scientists Duplicated it in the lab
A new experiment conducted by an international team of scientists has recreated the "diamond rain" believed to exist in the interiors of ice giants like Uranus and Neptune. Credit: Greg Stewart/SLAC National Accelerator Laboratory
It’s Literally Raining Diamonds on Giant Planets - Ask a Spaceman!
You can receive 15% off your Globe order at MyScienceShop by visiting Full podcast episodes: Support: Follow: Follow: on twitter Follow:on Facebook How do giant planets make diamond rain? Does it really, you know, rain? Where does diamond rain exist? I discuss these questions and more in today’s Ask a Spaceman! Watch on YouTube: Go on an adventure: Paul M. Sutter's youtube play list!! Hosted by Paul M. Sutter, astrophysicist at The Ohio State University, Chief Scientist at COSI Science Center, and the one and only Agent to the Stars Paul's website 1:03: Ice Giants vs Gas Giants 4:47: Interiors of Uranus and Neptune 6:34: Methane Under Pressure 10:42: Why Diamond Rain Matters
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Neptune and Its Rings Glow in Webb Telescope’s Portrait
An infrared image from NASA's James Webb Space Telescope shows Neptune and its rings. Credit: NASA / ESA / CSA / STScI / Joseph DePasquale
See James Webb Space Telescope's view of Neptune in stunning 4K
The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view of this peculiar planet’s rings in more than 30 years,” according to ESA/NASA. Full Story: Credit: NASA, ESA, CSA, and STScI, N. Bartmann / edited by Space.com's Steve Spaleta Music: The Cosmos by Jo Wandrini / courtesy of
This labeled photo shows the location of Neptunian moons. Credit: NASA / ESA / CSA / STScI / Joseph DePasquale
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ARTICLES
Pages from Universetoday
Neptune & Triton – August 31, 1989.
NASA Thinks it’s Time to Return to Neptune With its Trident Mission
Neptune’s Moon Triton
Hubble Releases a New Image of Neptune, Revealing a Rapidly Shifting Storm
UNIVERSE TODAY'S CATEGORY: HUBBLE
UNIVERSE TODAY'S CATEGORY: NEPTUNE
UNIVERSE TODAY'S TAG: HUBBLE SPACE TELESCOPE
UNIVERSE TODAY'S TAG: NEPTUNE
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Why do Uranus and Neptune Have Magnetic Fields? Hot ice
Both Uranus and Neptune Have Really Bizarre Magnetic Fields
Exploring the Universe For Magnetic Fields
Universe Today's CATEGORY: NEPTUNE
Universe Today's TAG: ICE
Universe Today's TAG: MAGNETIC FIELD
Universe Today's TAG: NEPTUNE
Universe Today's TAG: URANUS
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Neptune’s Temperature is Behaving Strangely
What is the Weather Like on Neptune?
What is the Surface Temperature of Neptune?
Neptune’s South Pole is the Warmest Place on the Planet
Universe Today's CATEGORY: NEPTUNE
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PDF's
information on NASA's plan to explore the outer solar system (PDF)
EXPLORING TRITON WITH TRIDENT: A DISCOVERY-CLASS MISSION
Information on EXPLORING TRITON WITH TRIDENT: A DISCOVERY-CLASS MISSION (PDF)
50th Lunar and Planetary Science Conference 2019 (LPI Contrib. No. 2132)
Subseasonal Variation in Neptune’s Mid-infrared Emission
information on Subseasonal Variation in Neptune’s Mid-infrared Emission (PDF)
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It’s Thought to Rain Diamonds on Uranus and Neptune, and now Scientists Duplicated it in the lab
Both Uranus and Neptune Have Really Bizarre Magnetic Fields
Hallelujah, It’s Raining Diamonds! Just like the Insides of Uranus and Neptune.
Universe Today's CATEGORY: ASTRONOMY
Universe Today's CATEGORY: ICE GIANTS
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Neptune and Its Rings Glow in Webb Telescope’s Portrait
They’re Here! Check out the First Images from the James Webb Space Telescope!
Webb Telescope Sees Jupiter and Its Auroras in a New Light
Webb Turns its Infrared Gaze on Mars
Webb Has Arrived Successfully at L2
Wow! Here's Webb's View of the Tarantula Nebula
Uh oh, There’s a Problem With one of Webb’s Science Instruments
Universe Today's CATEGORY: ASTRONOMY
Universe Today's TAG: JAMES WEBB SPACE TELESCOPE
Universe Today's TAG: JAMES WEBB TELESCOPE
Universe Today's TAG: NEPTUNE
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Flat Articles
Hubble site's report on Neptune's storm
Neptune is cooler than we thought: Study reveals unexpected changes in atmospheric temperatures
Information on Neptune is cooler than we thought: Study reveals unexpected changes in atmospheric temperatures
Universities Space Research Association
Information on Universities Space Research Association
Stanford University's National Linear Accelerator Laboratory
Information on Stanford University's National Linear Accelerator Laboratory
WEB SPACE TELESCOPE
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VIDEOS ON NEPTUNE
What is the Mysterious Extraterrestrial World of Neptune like ? | Space Documentary
🌍 Neptune is known as the eighth most distant planet from the Sun. It lies more than 4 billion miles from Earth, making it too far away to be seen by the naked eye. On September 23, 1846, Neptune was the first planet to be discovered through mathematical calculations. It was the second planet after Uranus to be revealed with a telescope, but the first planet discovered by astronomers who were specifically looking for it. Because of its blue color, Neptune was named after the god of the sea in Roman mythology. The story of the discovery of this mysterious blue giant on the outskirts of the solar system is quite curious and unusual. It was a triumph for Newtonian physics, because it proved that the motion of planets is entirely subject to the laws of gravity. Neptune has a composition close to Uranus, and both planets are placed in a distinct category of "ice giants". Neptune has a bright blue color with a particular azure tint. Externally, it looks very similar to Uranus, these two planets can even be confused. However, the color of Neptune is more saturated and bright. Neptune is the smallest of the gas giants. Also called the planet of storms, Neptune is the seat of the strongest winds in the solar system. 🔥 As a reminder, videos are published on SUNDAYS at 6:00 PM. ------------------------- 💥 The Extraterrestrial World of the Planet Neptune: - Neptune is the eighth most distant planet in the solar system. It is also the fourth largest planet in diameter and the third largest in mass. In fact, Neptune's mass is 17 times greater than Earth's while its diameter is only 4 times greater than our planet. Despite its title as the 4th largest planet in the solar system, we could easily fit 58 Earth inside Neptune. Thus, the average density of Neptune is only 1.6 g / cm3, that is to say about one third of that of the Earth, or about one and a half times more than that of water. The low densities are characteristic of the four giant planets: Jupiter, Saturn, Uranus and Neptune. Among these four, the first two are the least dense because they are mainly made of gas. The densest are Uranus and Neptune because they are mainly made of ice. With Uranus, Neptune belongs to a subclass of gas giants, called "ice giants" because of their smaller size and their composition made mainly of volatile elements such as methane, ammonia and water, rather than hydrogen and helium. The average distance between Neptune and the Sun is 4.5 billion km, which is about 30 times the average distance between the Sun and the Earth, and it takes almost 165 years for Neptune to make one complete revolution around our star. The distance between Neptune and Earth is between 4.3 and 4.6 billion km. On July 12, 2011, Neptune made its first complete orbit since the discovery of the planet in 1846. Seen from our planet, Neptune could thus be observed differently since the day of its discovery, because the period of revolution of the Earth around the Sun, which is 365 days, is not a multiple of the period of revolution of Neptune. The axial tilt of Neptune is 28.3°, which is similar to the axial tilt of the Earth and Mars. Therefore, the planet experiences similar seasonal changes. However, due to Neptune's long orbital period, the seasons last about forty years each. Neptune's sidereal rotation period is about 16 hours and 7 minutes. Due to an axial tilt similar to that of the Earth, changes in the sidereal rotation period during its long year are not significant. Among all the planets of the solar system, this type of rotation is the most pronounced in Neptune. This leads to a strong latitudinal wind shift.
🎬 On the program today: - 00:00 - Introduction - 02:15 - General information about Neptune - 03:45 - Neptune's orbit and rotation - 05:53 - Seasons on Neptune - 07:41 - Gravitational field and orbital resonances - 10:30 - Neptune's magnetic field - 12:52 - Neptune Discovery Day - 17:31 - The Exploration of Neptune - 22:30 - Hypothesis of the formation of Neptune - 26:00 - Internal structure of Neptune - 29:40 - Neptune's atmosphere - 34:09 - Climate on Neptune - 40:00 - What is the great dark spot? - 43:50 - Neptune's moons - 46:27 - Mysterious moon Triton - 54:46 - Moon Proteus - 55:42 - Moon Nereid - 56:32 - Moon Larissa - 57:30 - Rings of the ice giant Neptune
The Moons of Neptune
The latest information about the moons of Neptune with Senior Scientist Mark Showalter and Astronomer Seth Shostak.
Worlds of Shadow and Light: The Moons of Uranus and Neptune
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