Uranus

Kalstang · Aug 9, 2007

Please no off the wall jokes about this. I'm quite sure we've all heard them before. <img src="/images/icons/tongue.gif" /> You know i've been visiting these forums for quite some time now and i've yet to see anything on Uranus. It has GOT to be one of the most curious planets we know of and yet I rarely ever hear of it. I mean come on think about it. The only known planet in and out of our solar system that literally spins north to south (or was it south to north? Can't remember which atm <img src="/images/icons/crazy.gif" />.) So anyone care to talk about it? <div class="Discussion_UserSignature"> I have an answer for everything...you may not like the answer or it may not satisfy your curiosity..but it will still be an answer. "Imagination is more important then Knowledge" ~Albert Einstien~ Guns dont kill people. People kill people.Solar System </div>

MeteorWayne · Aug 9, 2007

Maybe after the Perseids. Too much to do before then <img src="/images/icons/smile.gif" /> <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

silylene old · Aug 9, 2007

Uranus is at opposition very soon (mag 5.7, 3" diameter). Naked eye visible in a dark sky, and easy binocular subject. <div class="Discussion_UserSignature"> <div class="Discussion_UserSignature" align="center">- - - - - - - - - - - - - - - - - - - - - - </div><div class="Discussion_UserSignature" align="center">I really, really, really miss the "first unread post" function. </div> </div>

vogon13 · Aug 9, 2007

A Galileo style orbital tour of the Uranian satellites is possible. A very compelling mission (to me, anyhow) <div class="Discussion_UserSignature"> TPTB went to Dallas and all I got was Plucked !!So many people, so few recipes !!Let's clean up this stinkhole !! </div>

Aetius · Aug 9, 2007

I've always thought that the planet, jokes aside, is fascinating. The complex magnetosphere and atmosphere, the barely explored major moons, and the enigmatic outer satellites all cry out for a Cassini-style mission. The Uranian system doesn't offer pretty pictures, but it does hold out the potential for some paradigm-altering scientific discoveries. Hypercronus was way cooler of a name, though. <img src="/images/icons/wink.gif" />

Kalstang · Aug 10, 2007

I agree. Just because it may not be the prettiest planet in the solar system doesnt mean that it possibly doesn't hold some facinating discoveries. Every other planet in our solar system has the north and south poles/rotation in relatively the same style. Except Uranus. I'm actually surprised that we haven't sent some cassini style probes to it yet. If only because of its unusual rotation. <div class="Discussion_UserSignature"> I have an answer for everything...you may not like the answer or it may not satisfy your curiosity..but it will still be an answer. "Imagination is more important then Knowledge" ~Albert Einstien~ Guns dont kill people. People kill people.Solar System </div>

3488 · Aug 10, 2007

What would be ideal, would be for a Galileo / Cassini type orbiter around all four of the giants. New Horzons 2 was to have encountered Jupiter, then Uranus in 2014, but that mission was very unfortunately scrapped. Uranuis is not a bore at all. The equinox of the Uranian system is this December & Uranus has been displaying some interesting weather. So please Hubble Space Telescope, dont muck up. I will post more on this thread later. Got to get back to work. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

alokmohan · Aug 10, 2007

It was first planet discovered in historial times.Other planets were known since prehistoric times. Planets dicovered after are only two in number ,neptune and pluto.

3488 · Aug 10, 2007

That is true alokmohan. When William Herschel discovered Uranus, he immediately doubled the size of the Solar System. Because Uranus is a naked eye object, it too has been seen since prehistory, but had not been identified for what it really was. IIRC several star charts pre discovery show Uranus as 23 Tauri. It is quite an oxymoron, but much fainter & further Neptune was nearly discovered in 1612 by Galileo, during a close conjuction with Jupiter. Also Galileo noticed Neptune's movement, but for reasons unknown, did not announce it. Perhaps after his altercations with the Roman Catholic Church after the discovery of the Galilean moons, craters & mountains on the Moon & the changing phases of Mercury & Venus, perhaps he thought that he should button it. So Neptune was in theory found before Uranus. Incidentally, Eris was found in the photographic plates by Clyde Tombaugh, but he did not realize it, although he did discover Pluto. So this sort of thing happens all the time, the discovery of an object, without the discoverer actually knowing it. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

5stone10 · Aug 10, 2007

Please no off the wall jokes about this. I'm quite sure we've all heard them before. Doesn't mean they're not still funny. Klingon !!

3488 · Aug 10, 2007

Thought I would put in some interesting images of this enigmatic planet. Uranus from Voyager 2. On approach. NASA / JPL. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Aug 10, 2007

Crescent Uranus. Of course Uranus can never be seen like this from Earth, as the observer needs to view Uranus from 'behind' (no crappy jokes please). Voyager 2. NASA / JPL. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Aug 10, 2007

Uranus, rings & inner moons. BTW, Uranus is seen here in false colour in infrared. Hubble Space Telescope. NASA /Stsci. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Aug 10, 2007

Uranus Ring system. Voyager 2. NASA / JPL. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Aug 10, 2007

Uranus clouds in upper atmosphere, showing motion as Uranus rotates. Voyager 2. NASA / JPL. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

vandivx · Aug 10, 2007

looks like astronomers are singularly selfcentered and overserious people means I won't know the Uranus jokes <img src="/images/icons/frown.gif" /> vanDivX <div class="Discussion_UserSignature"> </div>

3488 · Aug 10, 2007

Uranus Ring system another view. Voyager 2. NASA / JPL. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Aug 10, 2007

Uranus with newly found rings & moons. Hubble Space Telescope. Whe white feature on the right hand panel, is a genuine storm feature rising above the tropospheric haze, to the tropopause. Note how the 2005 image clearly shows the Uranian system somewhat more edge on. Uranus Equinox this December. NASA / Stsci. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Aug 10, 2007

Uranus (Dark Spot). September 2006. Hubble Space Telescope. NASA / Stsci. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Aug 10, 2007

Uranus, with the moon Ariel doing a transit. Thursday 31st August 2006. Hubble Space Telescope. NASA / Stsci. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Aug 10, 2007

Uranus, in true & false colour. Hubble Space Telescope. NASA / Stsci. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

robnissen · Aug 10, 2007

Planets dicovered after are only two in number ,neptune and pluto. Just to re-open a can of worms: there has only been one planet discovered since Uraunus as Pluto is no longer a planet. Or, if you are going to count Pluto because it was a planet at one time, you would also need to count Ceres, since it was also a planet at one time. So either 1 or 3 planets have been discovered post-Uranus, but not two.

3488 · Aug 10, 2007

Do not forget Eris. So it is either one or four. One (Neptune) or four (Neptune, 1 Ceres, Pluto & Eris). ------------------------------------------------------------------------------------------------------ Diagram of Uranus's severely tipped & off centred magnetosphere. Measured by Voyager 2. January 1986. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

MeteorWayne · Aug 10, 2007

And so were Vesta, and many other asteroids. Hopefully we've wised up a bit. <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

3488 · Aug 11, 2007

I think we have MeteorWayne. There were even suggestions of 2 pallas & 4 Vesta, not to mention KBOs Orcus, Quaoar, Varuna, 2003 EL61, 2005 FY, etc being dwarf planets too. The problem is, as that as we find more, that list will balloon. Whilst upsetting to some people, particularly astrologers, I think the new system works well. Below Uranus in true colour (left) & false colour (right) showing some banding. Voyager 2. NASA / JPL. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

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