Neptune's Clouds Disappeared and Strange Formations Found Inside
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Hello and welcome! My name is Anton and in this video, we will talk about Neptune
Links:
https://www.eso.org/public/archives/releases/sciencepapers/eso2314/eso2314a.pdf
https://keckobservatory.org/neptune-clouds
https://doi.org/10.3847/PSJ/ac5aa4
22 Year cycle links: https://youtu.be/hKugZ844tas
Other Neptune discoveries: https://youtu.be/VCRkMsOFjI8
https://youtu.be/m3B4DiKsPIM
#neptune #atmosphere #solarsystem
0:00 Intro to Neptune's clouds
0:50 Neptune and its seasons
1:50 Recent observations
2:10 Dark spots
2:40 Could it be the sun?
3:50 Why though?
5:10 Too early to conclude anything
6:40 3D scan discovers new dark spot sand weird clouds
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Mysterious Neptune Dark Spot Detected from Earth (ESOcast 265 Light)
Using ESO’s Very Large Telescope (VLT), astronomers have observed a large dark spot in Neptune’s atmosphere, with an unexpected smaller bright spot adjacent to it. This short video summarises their discovery.
More information and download options: https://www.eso.org/public/videos/eso2314a/
Related press release: https://www.eso.org/public/news/eso2314/
Credit:
ESO
Directed by: Angelos Tsaousis and Martin Wallner.
Editing: Angelos Tsaousis.
Web and technical support: Gurvan Bazin and Raquel Yumi Shida.
Written by: Tom Howarth and Claudia Sciarma.
Music: Stellardrone — I Don’t Belong Here.
Footage and photos: ESO / M. Kornmesser, Angelos Tsaousis, Irwin et al., F. Kamphues, Gianluca Lombardi (glphoto.it), NASA, ESA, the Hubble Heritage Team (STScI/OPO) and G. Bacon (STScI).
Scientific consultant: Paola Amico, Mariya Lyubenova.
Neptune’s Disappearing Clouds Linked to the Solar Cycle
Recent observations from the Hubble Space Telescope show that Neptune's clouds are almost completely disappearing!
Astronomers report that their continual monitoring of Neptune’s weather uncovered a link between its shifting cloud abundance and the 11-year solar cycle, where the Sun’s activity waxes and wanes under the driving force of its entangled magnetic field.
At present, the cloud coverage seen on Neptune is extremely low, with the exception of some clouds hovering over the giant planet’s south pole. A team of astronomers discovered that the abundance of clouds normally seen at the icy giant’s mid-latitudes started to fade in 2019.
For more information, visit https://nasa.gov/hubble.
Credit: NASA's Goddard Space Flight Center
Paul Morris: Lead Producer
Music Credit:
“Outer Rim” by Brandon Seliga [BMI] via Emperia Beta Publishing [BMI] and Universal Production Music
Image Credit:
Image of Lick Observatory, credit UC Santa Cruz
This video can be freely shared and downloaded at https://svs.gsfc.nasa.gov/14397. While the video in its entirety can be shared without permission, the music and some individual imagery may have been obtained through permission and may not be excised or remixed in other products. Specific details on such imagery may be found here: https://svs.gsfc.nasa.gov/14397. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.
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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
Why Neptune looks like a ghost - with Dr. Heidi B. Hammel
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00:00 Introduction
02:28 Neptune's Rings
06:19 Where are Neptune's ring arcs?
09:51 Squarespace Ad
11:03 Rings in the Mid-Infrared?
11:59 Bright atmospheric features
16:37 Why isn't Neptune blue?
18:08 Why Heidi ugly-cried 🙂
19:12 Triton
22:57 The background galaxies
26:34 Heidi's upcoming science program
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Ep 11 Neptune
At last, we have arrived at our solar system’s most distant planet, Neptune! With its deep blue color, this second of two ice giants is our focus in episode 11.
Neptune Odyssey Overview Animation
Neptune Odyssey (http://neptuneodyssey.jhuapl.edu) 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.
The Strongest Winds in Our Solar System
Neptune, the farthest planet from the sun, has the strongest winds in our solar system. How strong are they?
Scientists Found Out Why We Need To Explore Neptune ASAP
Six point three billion. Twenty-five point four billion. One hundred sixty billion. No, this is not the money Kanye West will spend to buy Earth. These are the amounts that were allocated for such space projects as Galileo – a global navigation satellite system, a series of the Apollo space projects and the International Space Station.
People who have nothing to do with the world of science tend to wonder why such large sums are spent on space and not on the problems existing here on Earth. In turn, private investors don’t see the point in giving money for space missions that won’t recoup their costs.
But everything’s going to change now. NASA is preparing to conquer Neptune. This mission can not only compensate three point four billion dollars spent on the flight but also bring a handsome profit.
In this video, you’ll find out: how much can a moonstone ring cost? What jewels are so common on Triton that their abundance can be compared to an ocean? And, most importantly, how exactly can Neptune be financially beneficial to Earth?
Big & Backwards Triton
Triton is a retrograde orbiter with a highly inclined but extremely circular orbit. It's the largest moon of Neptune by a factor of 500 and just an all around cool body in our solar system!
Learn more about this fascinating moon's retrograde orbit, its destruction of Neptune's existing moon system, and its eventual fate of being destroyed in a few billion years.
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#solarsystem #neptune #moons
Neptune's 'dark spots' spied by Hubble
New time-lapsed Hubble Space Telescope imagery of Neptune shows two giant dark spots on the planet. These vortices are "high-pressure systems that can form at mid-latitudes and may then migrate toward the equator," according to NASA and the Space Telescope Science Institute. -- Planet Neptune: Facts About Its Orbit, Moons & Rings: https://www.space.com/41-neptune-the-other-blue-planet-in-our-solar-system.html
Credit: Space.com | footage courtesy: NASA, ESA, M.H. Wong (University of California, Berkeley), and A. Simon (NASA Goddard Space Flight Center) | produced & edited by Steve Spaleta (http://www.twitter.com/stevespaleta)
A new mission to Neptune's largest moon
Neptune's largest moon Triton is an icy world that may host a subsurface ocean. Scientist Louise Prockter discusses Trident, a proposed mission to send a robotic space probe to investigate.
Exploring Gas Giants
Gas Giants are the largest and most extreme type of planet, from their unbelievably pressurised cores to their beautiful outer atmospheres. In the Solar System, there are four; Jupiter, Saturn, Uranus & Neptune. In this episode of #OOTW, we will explore not only these worlds, but also gas giants beyond the Solar System elsewhere in the galaxy.
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- General Gas Giant Info: https://en.wikipedia.org/wiki/Gas_giant
- National Geographic on Uranus: https://www.youtube.com/watch?v=EGbGlpeMyJk
- National Geographic on Saturn: https://www.youtube.com/watch?v=epZdZaEQhS0
- National Geographic on Jupiter: https://www.youtube.com/watch?v=PtkqwslbLY8
- Atmosphere of Jupiter: https://en.wikipedia.org/wiki/Atmosphere_of_Jupiter
- Mini Neptune: https://en.wikipedia.org/wiki/Mini-Neptune
- Brown Dwarfs: https://en.wikipedia.org/wiki/Brown_dwarf
- J1407b Ring System: https://earthsky.org/space/huge-distant-planet-has-rings-200-times-bigger-than-saturns
TIMESTAMPS:
0:00 Introduction
1:06 Gas Giants
4:07 Ice Giants
5:18 Jupiter
7:23 Saturn
10:11 Uranus
12:04 Neptune
13:41 Extrasolar Gas Giants
14:30 Hot Jupiters
16:20 Mini-Neptunes (Gas Dwarfs)
17:41 V1400 Centauri
19:42 Brown Dwarfs and Failed Stars
We May Have Figured Out Why Neptune and Uranus Are So Different
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Hello and welcome! My name is Anton and in this video, we will talk about a new study that identifies possible reasons for differences between Neptune and Uranus.
Paper: https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stz3271/5637902
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Eyes on the Sky: How to find/observe Neptune
www.eyesonthesky.com Neptune is the solar system's furthest planet, and while that may seem like that would make it difficult to find or see, that's not the case. There's two bright stars in the Great Square of Pegasus pointing to it for the 2019/2020 time frame, and the planet glows at around magnitude 8. So it is visible (barely!) in binoculars, and definitely visible in most any telescopes. Here's how to find and see it! See what's up in the night sky every week with "Eyes on the Sky" videos, astronomy made easy.
NASA ScienceCasts: Eye on Neptune
Neptune will be at opposition in September, providing sky watchers and astronomers the opportunity to observe this planet that is invisible to the naked eye, but that scientists would love to see more clearly.
NASA Science: http://science.nasa.gov/
Scientists Solve the Mystery of Neptune's New Moon, Hippocamp
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Hello and welcome! My name is Anton and in this video, we will talk about the newly named and analyzed moon of Neptune called Hippocamp.
Paper can be found here: https://www.nature.com/articles/s41586-019-0909-9
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Animation of Neptune’s moon Hippocamp
This animation shows how the smallest known moon of Neptune, now named Hippocamp, might look close up.
In the animation the camera rotates once around the tiny moon, showing first the distant Sun and at the end the planet Neptune, which the moon is orbiting.
While the NASA/ESA Hubble Space Telescope allowed researchers to discover the moon and to measure the its diameter, about 32 kilometres in diameter, the images from Hubble do not allow us to see surface structures.
More information and download options: http://www.spacetelescope.org/videos/heic1904a/
Credit:
ESA/Hubble, NASA, L. Calçada
Neptune: The Outermost Planet
We did it! We've reached the edge of the solar system. Or have we? Well no, not really. But we've reached the outermost planet at least. It's Neptune! Named after the Roman god of the sea. What does Neptune have? A couple little rings? An awesome moon named Triton? Yes to both and so much more. Let's dive in!
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Eyes on the Sky: How to find and observe Neptune
www.eyesonthesky.com Find and observe the farthest planet in our solar system with just binoculars or a small amateur sized telescope. At magnitude 7.9, Neptune isn't difficult to see, but located in a star poor region of Aquarius, it will take a bit of help to find. Learn how to track down Neptune and observe it successfully. See what's up in the night sky every week with "Eyes on the Sky" videos, astronomy made easy.