Jupiter's Moon Io Casts Large Shadow on Gas Giant Planet
NASA's Juno mission captured imagery of the shadow of Jupiter's moon Io being cast onto the gas giant planet's clouds. Story: NASA's Juno Mission Checks Out Eclipse on Jupiter: https://www.space.com/juno-sees-io-moon-shadow-on-jupiter.html Juno: Taking a Long Look at Jupiter: https://www.space.com/32742-juno-spacecraft.html Credit: Space.com / produced & edited by Steve Spaleta http://www.twitter.com/stevespaleta
Our Solar System's Moons: Io
Everything you could want to know about the most volcanic object in our Solar System: Io. Explore Jupiter's innermost Galilean moon with Astrum.
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Io's Volcanism, Plasma Torus and Neutral Clouds - Part 1
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Dr. Carl Schmidt is an astrophysicist from Boston University, who works for LATMOS. His primary interests include atmospheric loss in bodies from the Solar System and solar-planetary coupling.
TBS Archive - Jovian Moon Dance - Io and Ganymede - Speedlapse approx 3 hours
This is a clip I created a little over a year ago.. just found it in the archive and decided to release it, cause why not? It's about 2-3 hours of tracking Jupiter and it's moons on the Nexstar8 and Sony a6000. I didn't note it in the video, but I have it playing 3 times in a row, each at different speeds. Rock out!
Universe Sandbox 2- What if IO was the moon
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Volcanic eruptions tracked on Jupiter moon Io
All hot spots detected from August 2013 through December 2015 are displayed on a full map of Io, illustrating the approximate length of time they were visible. The size of the circle corresponds logarithmically to the intensity. For the full story, visit: http://news.berkeley.edu/2016/10/20/long-term-hi-res-tracking-of-eruptions-on-jupiters-moon-io/ Credit: Katherine de Kleer and Imke de Pater, UC Berkeley http://www.news.berkeley.edu/
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The Freezing of Io's Atmosphere During Eclipses of the Sun by Jupiter
Io is a moon of Jupiter which is volcanically active and, in fact, is the most active object in the solar system. This strong volcanism is stimulated by the gravitational interaction between Io and Jupiter. Not only that, Io’s volcanoes emit plumes of SO2 gas extending up to 300 miles (483 km) above the moon’s surface and also produce extensive basaltic lava fields that can flow for hundreds of miles. Using the Gemini Telescope, researchers discovered that Io's atmosphere collapses as the giant planet casts its shadow over the moon’s surface during daily eclipses. These eclipses are about 2 hours out of each Io-day (about 1.7 Earth days). Clever observations allowed several eclipses and subsequent freezing to be detected. Join Tony Darnell and Carol Christian as they discuss with Constantine Tsang and John Spencer (Southwest Research Institute) along with Matthew Richter (University of California, Davis) the techniques used to discern this amazing phenomenon in our solar system. The best place to watch the hangout will be on YouTube, broadcast on the Deep Astronomy Channel. In affiliation with the American Astronomical Society and the American Astronautical Society. Download the DeepAstronomy App and stay current on all content: Android:
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Jupiter's Moon Io - Unusual Collapsing Atmosphere - Universe Sandbox²
Hello and welcome to What Da Math!
In this video, we will talk about the unusual atmosphere of Io - satellite of Jupiter - that seems to lose its atmosphere every once in a while and reacquire it later. Patreon page:
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Spacecraft captures unique images of Jupiter
Images captured by NASA's Juno spacecraft are the first to show Jupiter's moons in orbit around the massive planet.
Jupiter Juno mission: 5 facts you need to know- BBC News
A Nasa spacecraft is about to arrive at the largest planet in the solar system - Jupiter. The probe launched five years ago and has travelled nearly three billion kilometres to reach its destination.
Entering into orbit will be fraught with dangers - but if the spacecraft succeeds, it will give us our best understanding to date of this giant, mysterious world. BBC science correspondent Rebecca Morelle tells us the top five things you need to know about this mission. Please subscribe HERE http://bit.ly/1rbfUog Islamic State's 'Most Wanted' https://www.youtube.com/playlist?list=PLS3XGZxi7cBX5GE4jXnF9bvF4C801cul3
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Jupiter animation : Transit of Io and Ganymede and their shadows
This is an animation of a double transit of 2 satellites (moons) of Jupiter : Io and Ganymede. Their shadows are also cleraly visible on the planet.
Captured using a telescope Skywatcher 150/750 on a Neq3-2 mount and a webcam Logitech C270
No impact was detected over Jupiter.
16-04-2016 from Tunis, Tunisia
Jupiter and Io
Jupiter & Io move across my view... video taken with my Orion SkyQuest XT10 Dobsonian, Canon EOS 60D, Orion Variable Universal Camera Adapter and 20mm Plossl lens. -Marty
Io starting to pass over Jupiter
Video clip taken through the eyepiece of the c14 at hjro observatory. This has a lot of shaking in the video because I could not hold the iPhone steady and it was not mounted on the eyepiece. We can see in this video clip the moon io is starting to pass over the disk of Jupiter. A much better image would be usable from a camera hooked up to the telescope, rather than using a simple iPhone 6.
Jupiter & Io - 04/05/2016
Scope: Vixen VMC 260l
Mount: Losmandy G11
Camera: QHY5L-II Mono
Jupiter - Io Ganymède Europe - 23/03/2016 - Animation
Animation de Jupiter avec ses lunes Io, Ganymède et Europe.
Le 23/03/2016.
Telescope C8 + 3x Barlox = 6000mm.
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Photos: http://www.astrobin.com/243692/0/
Double Transit on Jupiter (Io-Ganymede) 16 March 2016
20h45 -21h45 UT Mornag Tunisia
Newton Skywatcher BD 150/750mm
HEQ5 pro
QHY5L iic
Barlow x2 ultima celestron
Firecapture, AS!2, Registax6, Virtualdub
Io and Europa cross Jupiter
On March 21, 2016 Io and Europa fly across the face of Jupiter.
Io and Ganymede cast their shadows on Jupiter
Shot with a Canon SX220HS afocally through an eyepiece in my 11cm Newton.
Jupiter Moons Crossing Io Europa
3-15-16,From my front yard...
Io's Underground Magma Ocean
There are a few theories that would suggest Jupiter’s moon IO has an underground magma ocean. Hank Green explains in this episode of SciShow Space! Hosted by: Hank Green
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Instagram: http://instagram.com/thescishow Sources:
http://www.space.com/16419-io-facts-about-jupiters-volcanic-moon.html
http://www.space.com/29640-jupiter-volcanic-moon-io-lava-lake.html
http://www.nasa.gov/topics/solarsystem/features/io-volcanoes-displaced.html http://solarviews.com/eng/iovolcano.htm http://hyperphysics.phy-astr.gsu.edu/hbase/solar/io.html
http://www.universetoday.com/122972/jupiters-planet-io/ http://solarsystem.nasa.gov/planets/io/indepth
http://www.dailygalaxy.com/my_weblog/2015/05/a-prime-extremeophile-habitat-lava-lake-on-jupiters-volcanic-moon-io.html http://www.astronomy.com/news/2015/11/shifting-hot-spots-on-jupiters-volcano-moon-io
http://www.space.com/30530-jupiter-moon-io-magma-volcano-mystery.html http://phys.org/news/2015-05-giant-telescope-jupiter-moon-io.html http://www.zmescience.com/science/geology/io-volcanism-lava-lake-10082015/ http://www.space.com/29248-jupiter-auroras-volcanic-moon-io.html http://iphone22.arc.nasa.gov/public/iexplore/missions/pages/yss/november2011.html Images:
https://en.wikipedia.org/wiki/Io_(moon)#/media/File:Io_highest_resolution_true_color.jpg
https://en.wikipedia.org/wiki/Io_(moon)#/media/File:Tvashtarvideo.gif
https://en.wikipedia.org/wiki/Io_(moon)#/media/File:Io_from_Galileo_and_Voyager_missions.jpg
http://www.space.com/29640-jupiter-volcanic-moon-io-lava-lake.html
https://en.wikipedia.org/wiki/Io_(moon)#/media/File:Io_diagram.svg
Io | Astronomic
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Exclusive Content: https://www.curious.com/astronomic IO Hello Everyone! Welcome to OUR Universe! If you've enjoyed the video? Click the LIKE button!
If you want to support the channel. Click the SUBSCRIBE button! DESCRIPTION/LINKS:
Io is the innermost of the four Galilean moons of the planet Jupiter. It is the fourth-largest moon, has the highest density of all the moons, and is the driest known object in the Solar System. Thanks for Watching! Twitter: https://www.twitter.com/astronomic1
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USA: NASA RELEASES LATEST PICTURES OF 2 OF JUPITER'S MOONS
Mute NASA has released the latest images of two of Jupiter's moons, taken by its Galileo spacecraft. The images include the best pictures ever taken of volcanic hot spots on Jupiter's moon, Io. The Galileo probe has revealed unexpected findings about Jupiter's atmosphere, that may force scientists to rethink how the planet was formed. The images released on Friday by NASA are the latest taken of two of Jupiter's moons, Io and Europa. The image of Io on the left was taken by Galileo this summer. It shows volcanic hot spots and auroral emissions glowing on the dark side of Io. It is the best and highest resolution image ever taken of the moon's features. The 1979 Voyager image on the right shows the locations of the hot spots seen in the Galileo image. False colour has been used to enhance the visibility of certain features in this composite of three images of the Minos Linea region on Jupiter's moon, Europa, taken by Galileo. The reddish hues represent mottled terrains, while the blue hues represent the icy plains on the moon's surface. After a six-year 300 (m) million mile journey through the solar system, the Galileo spacecraft reached Jupiter last December. A probe from the craft entered the harsh, whirling gases of Jupiter's atmosphere and sent back data. This computerised animation shows the space probe penetrating Jupiter's thickly clouded atmosphere in early December last year. During the historic descent it sent back a "weather report" and other scientific information. It remained in the atmosphere for an astounding 58 minutes before it melted and vaporised. Preliminary findings from the probe's data found the planet to be windier and drier than expected. It has only half the expected amount of helium and a different cloud structure from what most researchers believed. Other surprises included lower than expected amounts of heavy elements such as carbon, oxygen and sulphur. Scientists believe the data will provide clues about our own solar system's beginning and new systems being discovered now. You can license this story through AP Archive: http://www.aparchive.com/metadata/youtube/2356a32f0b486cd42c4d24f241a3062c
Find out more about AP Archive: http://www.aparchive.com/HowWeWork
Jupiter's Moons: Crash Course Astronomy #17
Before moving on from Jupiter to Saturn, we’re going to linger for a moment on Jupiter’s moons. There are 67 known moons, and 4 huge ones that we want to explore in greater detail. Ganymede is the largest - larger, in fact, than any other moon in the solar system and the planet Mercury! Callisto, orbiting the farthest out, is smaller but quite similar to Ganymede in many ways. Io, meanwhile, is most noteworthy for its tremendous volcanic activity. There’s also water on Ganymede and Europa! This episode was brought to you by Squarespace http://www.squarespace.com/crashcourse
--
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-- Table of Contents
Jupiter Has 67 Moons (4 Big Ones) 0:12
Ganymede is the Largest 1:15
Io is Riddled With Volcanoes 3:16
Europa Has an Undersurface Ocean 4:48
Io, Europa, and Ganymede Interact Gravitationally 3:48
Known Unknowns 8:06 -- PBS Digital Studios: http://youtube.com/pbsdigitalstudios Follow Phil on Twitter: https://twitter.com/badastronomer Want to find Crash Course elsewhere on the internet?
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Support CrashCourse on Patreon: http://www.patreon.com/crashcourse -- PHOTO/VIDEO SOURCES
Galileo’s notebook http://hos.ou.edu/exhibits/exhibit.php?exbid=4 [credit: Image(s) courtesy History of Science Collections, University of Oklahoma Libraries; copyright the Board of Regents of the University of Oklahoma.]
Jupiter’s moons http://photojournal.jpl.nasa.gov/jpeg/PIA00600.jpg [credit: NASA/JPL/DLR]
Ganymede http://svs.gsfc.nasa.gov/vis/a010000/a011100/a011173/Image4_1920x1080.jpg [credit: NASA/JPL/Ted Stryk]
Interior of Ganymede https://commons.wikimedia.org/wiki/File:PIA00519_Interior_of_Ganymede.jpg [credit: Wikimedia Commons / NASA]
Ganymede terrain https://commons.wikimedia.org/wiki/File:Ganymede_terrain.jpg [credit: Wikimedia Commons / NASA]
Artist Conception of Ganymede http://www.nasa.gov/content/goddard/hubbles-view-of-ganymede-briefing-materials/ (Figure 5) [credit: NASA/ESA]
Callisto http://photojournal.jpl.nasa.gov/jpeg/PIA03456.jpg [credit: NASA/JPL/DLR]
Interior of Callisto https://en.wikipedia.org/wiki/Callisto_(moon)#/media/File:PIA01478_Interior_of_Callisto.jpg [credit: Wikimedia Commons / NASA]
Valhalla crater on Callisto https://commons.wikimedia.org/wiki/File:Valhalla_crater_on_Callisto.jpg [credit: Wikimedia Commons / NASA / JPL]
Io http://svs.gsfc.nasa.gov/vis/a010000/a011400/a011455/s1-1920.jpg [credit: NASA/JPL/USGS]
Io volcano image http://solarviews.com/browse/jup/ioplumedisc.jpg [credit: NASA/JPL]
Io eruption video http://svs.gsfc.nasa.gov/vis/a010000/a011400/a011455/IO_Eruption-540-MASTER_high.mp4 [credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute]
Io surface http://svs.gsfc.nasa.gov/vis/a010000/a011400/a011455/s2-1204.jpg [credit: NASA/JPL/University of Arizona]
Jupiter Magnetosphere Schema https://en.wikipedia.org/wiki/Io_(moon)#/media/File:Jupiter_magnetosphere_schematic.jpg [credit: Wikimedia Commons / Volcanopele]
Jupiter aurora http://www.spacetelescope.org/static/archives/images/large/heic0009a.jpg [credit: NASA, ESA & John T. Clarke (Univ. of Michigan)]
Europa http://photojournal.jpl.nasa.gov/jpeg/PIA19048.jpg [credit: NASA/JPL-Caltech/SETI Institute]
Europa ocean http://apod.nasa.gov/apod/image/1205/EuropasOcean_KPHand003.jpg [credit: NASA/JPL/Kevin Hand
Habitable zone diagram http://www.keckobservatory.org/images/made/images/gallery/solar_system/Slides-8_1800_1350.jpg [credit: PETIGURA/UC BERKELEY, HOWARD/UH-MANOA, MARCY/UC BERKELEY]
Amalthea http://photojournal.jpl.nasa.gov/jpeg/PIA02532.jpg [c redit: NASA/JPL/Cornell University]
Io Transit of Jupiter 21.03.15
Imaged with a Celestron C8 SCT this is a short video of Jupiter`s volcanic moon Io transiting the giant planet on the evening of 21st March 2015. Thanks for looking and clear skies!
Comet Chase & Molten Moons
In this episode of SciShow Space News, Hank details the work of the European Space Agency’s Rosetta spacecraft. He also explains the new discoveries of Jupiter's moon Io. Hosted by: Hank Green
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NASA's Galileo Mission to Jupiter
For more on the Galileo mission:
http://news.discovery.com/space/history-of-space/remembering-galileos-triumphs-130920.htm
http://solarsystem.nasa.gov/galileo/
(I'll try and remember to post more once the government resumes business and more NASA sites come back online!) Find more space and spaceflight history from my website: http://amyshirateitel.com Connect on Facebook, Google+, and Twitter as @astVintageSpace
Best of 2013: Planets & Stars Size Comparison
Comparison of planets in our Solar System, and our Sun and stars throughout the universe. NOTE: The scaling is not accurate in this video, and the last two stars are fake. Don't complain about it in the comments, just watch my new three part series that has no errors. Links are listed below.
Part 1: https://www.youtube.com/watch?v=0VJgN3UGyF8&t=3s
Part 2: https://www.youtube.com/watch?v=xXHp9U5I-xo&t=2s
Part 3: https://www.youtube.com/watch?v=sh_t645ntOs&t=1s
Journey through the universe beyond the speed of light [HD]
Excellent documentary, mind blowing and superbly narrated. Enjoy
Narrated by Alec Baldwin.
Jupiter's Moon Io Erupts
Once thought to be dead, Jupiter's tiny moon Io is populated with over 400 active volcanoes, it's largest erupting 400 kilometers into space. (From Discovery Channel's How The Universe Works)
Io & Ganymede Transit Jupiter 10 Jan 2013
Io and Ganymede Transit Jupiter 10 Jan 2013 Jupiter Events from 10 Jan 2013 to 11 Jan 2013 (I = IO, II = Europa, III = Ganymede, IV = Calisto) Time (UT) Sat Event
--------- --- -----
2013 Jan 10 09:50 n/a Great Red Spot transit
2013 Jan 10 19:03 III Transit start
2013 Jan 10 19:28 I Transit start
2013 Jan 10 19:46 n/a Great Red Spot transit
2013 Jan 10 20:23 I Shadow transit start
2013 Jan 10 21:07 III Transit end
2013 Jan 10 21:39 I Transit end
2013 Jan 10 22:35 I Shadow transit end
2013 Jan 10 22:40 III Shadow transit start
2013 Jan 11 00:52 III Shadow transit end
2013 Jan 11 05:41 n/a Great Red Spot transit
2013 Jan 11 09:38 II Transit start
2013 Jan 11 11:28 II Shadow transit start
2013 Jan 11 12:02 II Transit end
2013 Jan 11 13:53 II Shadow transit end
2013 Jan 11 15:37 n/a Great Red Spot transit
2013 Jan 11 16:48 I Occultation disappearance
2013 Jan 11 19:54 I Eclipse reappearance
2013 Jan 12 01:33 n/a Great Red Spot transit Music: Earthlight by Ryan Shore
Io Jupiter Moon
Io - Moon of Jupiter This and more space videos at www.spacetime.com.au Watch a future space probe decend and land on Io, one of Jupiter's 4 largest moons The Solar System contains at least 176 moons, which orbit six of the eight planets. Mercury and Venus are the only two planets which do not have a moon. Of the terrestrial planets, Earth has one moon, which we call the Moon; and Mars has two small moons, called Phobos and Deimos. Once we move into the outer Solar System, the large gas giant planets have many moons. Jupiter is thought to have the most moons with a current total of 67, of which 4 (Io, Europa, Ganymede, Callisto) are comparable in size to Earth's moon. Next comes Saturn with 62 moons including Titan, a large moon with a thick atmosphere of Methane. Uranus and Neptune also have many moons with 27 and 13 respectively. Some of the moons in the Solar System were created at the same time as their parent planets, while others may have formed separately, and then been captured when drifting to close to one of the planets. Watch more space videos at www.spacetime.com.au
Ganymede Transit Jupiter & Io Solar Eclipse 19 May 2012
Ganymede Transit Jupiter & Io Solar Eclipse 19 May 2012 at around midday
Jupiter's Moon: Io Rotation - HD
Io is the innermost of the four Galilean moons of Jupiter and, with a diameter of 3,642 kilometers, the fourth-largest moon in the Solar System. It was named after Io, a priestess of Hera who became one of the lovers of Zeus. Nevertheless, it was simply referred to as Jupiter I, or The first satellite of Jupiter, until mid-20th century. With over 400 active volcanoes, Io is the most geologically active object in the Solar System. Its surface is dotted with more than 100 mountains, some which are taller than Earth's Mount Everest. Unlike most satellites in the outer Solar System (which have a thick coating of ice), Io is primarily composed of silicate rock surrounding a molten iron or iron sulfide core.
Although not proven, recent data from the Galileo orbiter indicates that Io might have its own magnetic field Io has an extremely thin atmosphere made up mostly of sulfur dioxide (SO2). If a surface data or collection vessel were to land on Io in the future, it would have to be extremely tough (similar to the tank-like bodies of the Soviet Venera landers) to survive the radiation and magnetic fields that originate from Discovered by Galileo Galilei
Discovery date January 7, 1610
Designations
Alternate name Jupiter I
Adjective Ionian
Orbital characteristics
Periapsis 420,000 km (0.002 807 AU)
Apoapsis 423,400 km (0.002 830 AU)
Mean orbit radius 421,700 km (0.002 819 AU)
Eccentricity 0.0041
Orbital period 1.769 137 786 d (42 h)
Average orbital speed 17.334 km/s
Inclination 2.21° (to the ecliptic)
0.05° (to Jupiter's equator)
Satellite of Jupiter
Physical characteristics
Dimensions 3,660.0 × 3,637.4 × 3,630.6 km
Mean radius 1,821.3 km (0.286 Earths)[1]
Surface area 41,910,000 km2 (0.082 Earths)
Volume 2.53 × 1010 km3 (0.023 Earths)
Mass 8.9319 × 1022 kg (0.015 Earths)
Mean density 3.528 g/cm3
Equatorial surface gravity 1.796 m/s2 (0.183 g)
Escape velocity 2.558 km/s
Rotation period synchronous
Equatorial rotation velocity 271 km/h
Albedo 0.63 ± 0.02
Surface temp.
Surface min mean max
130 K 200 K Apparent magnitude 5.02 (opposition)
Atmosphere
Surface pressure trace
Composition 90% sulfur dioxide
Volcanoes of Io: Video of 1st Map Ever of Volcanic Jupiter Moon
This USGS animcation shows the rotating globe of Jupiter's volcanic moon Io, with a geologic map superimposed over a global color mosaic. Images from NASA's Galileo mission (1995-2003) and the Voyager mission in 1979 were used to create the map.
Explosive Planet Io - Wonders of the Solar System - BBC Two
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http://www.bbc.co.uk/solarsystem Professor Brian Cox explains the incredible volcanism on Jupiter's moon Io. #bbc
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NASA Sound of Space - Jupiter's Moon Io
You can download the full mp3 file and more on http://thepiratebay.org/user/Air_Wales/ ---------------------- Although space is a virtual vacuum, this does not mean there is no sound in space. Sound does exist as electromagnetic vibrations. The specially designed instruments on board the various space probes used Plasma Wave antenna to record the vibrations used here, all within the range of human hearing (20-20,000 CPS) Each planet, moon and ring system has a distinctive "musical" pattern. Listening to this unusual recording has a mysteriously relaxing effect. After a long hard day, you can bring your brainwaves into a slower and meditative state. In 1989, Dr. Jeffrey D. Thompson, D.C., B.F.A. was approached by representatives working with NASA and JPL to explore a series of powerful recordings which the Voyager I & II Spacecraft had sent back from Jupiter, Saturn, Uranus and Neptune. These recordings seemed to be having a profound effect on the scientists and researchers who were exposed to them. Dr. Thompson was approached as an expert in the field of sound and healing, and especially in his work with "Primordial Sounds. Primordial sounds are human body sounds and nature sounds formatted in special ways to cause a deep response in the subconscious mind. These are extremely useful in all levels of healing. Could the space sounds actually be Primordial Sounds, also from outer space but strangely familiar to us? Besides Earth, IO is the only other place in our Solar System that we know has volcanic activity. With this in mind experience these amazing "soundscapes" of IO. Listen carefully as what seems to be bells, chimes and "instruments" herald a prelude to more strange and amazing sounds that swirl all around in 3-D space. Listen to what resembles dolphins, whales, wind and choirs.
Jupiter's Moons: Io, Ganymede and Europa
Watch the galiean moons of Jupiter dance in this awesome time lapse video done by Joe Brimacombe!
Galileo Flyby of Io - January 17, 2002
Animation showing a simulation of Galileo's seventh flyby of Jupiter's volcanic moon Io on January 17, 2002. The spacecraft approaches Io from the satellite's nightside, anti-Jovian hemisphere, makes its closest approach over the dusk terminator, passing over the active volcanoes Pele, Maasaw, and Mbali, then departs Io over its sunlit leading hemisphere. Simulation created in Celestia
Galileo Flyby of Io - August 6, 2001
Animation showing a simulation of Galileo's fifth flyby of Jupiter's volcanic moon Io on August 6, 2001. The spacecraft approaches Io from the satellite's nightside, trailing hemisphere, makes its closest approach over the north pole, passing over the active volcanoes Tvashtar and Thor, then departs Io over its sunlit leading hemisphere. Simulation created in Celestia
Galileo Flyby of Io - October 11, 1999
Animation showing a simulation of Galileo's flyby of Jupiter's volcanic moon Io on October 11, 1999. The spacecraft approaches Io from the satellite's nightside, sub-jovian hemisphere, makes it closest approach over the dawn terminator, then departs Io over its sunlit anti-jovian hemisphere. Simulation created in Celestia
Jupiter's moon Io. (AggManUK)
A brief look at Jupiter's moon Io and some quite interesting facts. I hope you enjoy it. Music: Let There Be Light, by Mike Oldfield. Astrological symbol by, Denis Moskowitz.
http://www.suberic.net/~dmm/astro/ Thanks for watching! AggManUK. .
Jupiter and its moons Io, Europa, Ganymede and Callisto
Jupiter and its moons Io, Europa, Ganymede and Callisto as seen on 12th July 2008 with my 8" Newtonian Reflector Telescope and webcam from Charlotte city North Carolina State USA