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Author: Subject: Check Out the Photos of Saturn

A Peach Supreme





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  posted on 3/3/2007 at 08:59 AM
Amazing!!! They gave me goosebumps!!


http://news.aol.com/topnews/articles/_a/spacecraft-snaps-new-views-of-satur n/20070302165409990001?ncid=NWS00010000000001


[Edited on 3/3/2007 by Jacquie]

 
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A Peach Supreme



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  posted on 3/3/2007 at 09:53 AM
I always wanted to do some space traveling!

 

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  posted on 3/3/2007 at 04:05 PM
very cool indeed , so clear its really incredible , and beautiful .
 

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  posted on 3/3/2007 at 05:16 PM
Very nice, Jacquie--thanks!
This last one in the AOL slide show, taken from the dark side of Saturn, is about as different as I've ever seen:



For more, here's the NASA page:
http://saturn.jpl.nasa.gov/home/index.cfm

Here's a cool shot of a section of the rings being disturbed by the gravitational pull of a tiny satellite named Daphnis, recently discovered orbiting within--and I guess causing--that gap in the rings!



"Daphnis cruises through the Keeler Gap, raising edge waves in the ring material as it passes.

"As is characteristic of waves raised by a moon on the edges of a very narrow gap like Keeler, the wave begins as a coherent form near Daphnis and becomes less so with increasing orbital distance from the moon. Daphnis is 7 kilometers (4.3 miles) across." {The gap is only 35-42 km wide.}
http://saturn.jpl.nasa.gov/multimedia/images/image-details.cfm?imageID=2497



" 'It's too early to make out the shape of the orbit, but what we've seen so far … suggests that it is very near the exact center of the gap,' says Joseph Spitale, a member of the imaging team and a planetary scientist at the Space Science Institute in Boulder, Colorado.

"The Keeler Gap is about 155 miles (250 kilometers) inside the outer edge of the bright A ring. The moonlet lies about 84,820 miles (136,505 km) from Saturn's center and completes an orbit in a little over 14 hours. It's about 4 miles (7 km) across and reflects about half the light falling on it, which is typical of nearby ring particles.

" 'We anticipate that many of the gaps in Saturn's rings have embedded moons, and we'll be in search of them from here on,' says Carolyn Porco, imaging team leader at the Space Science Institute. . . .

"S/2005 S1 {Daphnis} is the second moon known to exist within Saturn's main rings. The other, Pan, is more than 3 times larger and orbits in the Encke Gap. The 'shepherd' moons Prometheus and Pandora interact with particles in the faint, outer F ring."
http://www.astronomy.com/asy/default.aspx?c=a&id=3123

 

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  posted on 3/5/2007 at 01:50 PM
VERY cool, Jacquie - thanks for sharing!

 

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  posted on 3/5/2007 at 02:19 PM
Probably the best websites I know of for astro images are Astronomy Picture of the Day at
http://antwrp.gsfc.nasa.gov/apod/astropix.html and the Hubble Heritage Project at
http://heritage.stsci.edu/ .

They both have spectacular images, APOD has archives going back more than a decade, and lots of links for each picture. The HHP has to rely on spectacular images, but they're incredible.

Billastro

[Edited on 3/5/2007 by Billastro]

 

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Zen Peach



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  posted on 3/5/2007 at 02:29 PM
This will make you think....

Earth is 12,742 kilometers (7,900 miles) in diameter.

Jupiter is 142,802 kilometers (88,736 miles) in diameter

The Sun is 1,391,000 kilometers (862,400 miles) in diameter.

Artcturus is 34,079,500 kilometers (21,128,800 miles) in diameter.

Antares is 970,370,000 kilometers (603,680,000 miles) in diameter.

Antares is 15,007,943,291,139 Square Miles.







Jupiter is 11.0 times the diameter of Earth.

Jupiter has 17 known moons and these numbers are always changing.

Its year is 11.86 (basically 12) Earth years long.

Its day is (incredibly) 9 hours 55 minutes 30 seconds.





The Sun is known in astronomical circles as Sol.

The Sun's mass is about 333,000 times Earth's mass. An object at the Sun's surface would weigh 28 times as much as it does on Earth's surface!

A 200 pound man would weigh 5600 pounds on the Sun's surface!

The Sun is 1,391,000 kilometers (862,400 miles) in diameter.




Arcturus, or Alpha Boötis, is located about 36.7 light-years from Sol. It is the brightest star of Constellation Boötes, the Herdsman or Bear Driver, forming his left foot.

The diameter of Arcturus is 24.5 time that of our sun!





ANTARES (Alpha Scorpii). A brilliant jewel set within the Milky Way, Antares guides us to one of the great constellations of the sky, the Zodiac's Scorpius (or Scorpio), the celestial scorpion, one of the few constellations that actually looks like what it represents

Its great distance of 600 light years reveals that it is truly luminous, to the eye over 10,000 times brighter than the Sun.

It is so big that astronomers can easily detect and measure the size of its apparent disk, which gives an even bigger radius of 3.8 AU, three-fourths the size of the orbit of Jupiter

In a class called red supergiant, Antares is about 700 times the diameter of our own Sun and 15 times more massive.

 

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Zen Peach



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  posted on 3/5/2007 at 02:31 PM

 

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Zen Peach



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  posted on 3/5/2007 at 02:33 PM
Wow, I didn't realize Uranus was so big!

 

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  posted on 3/5/2007 at 05:53 PM
Thanks for posting Jacquie and No1ToRunWith.
Very interesting stuff indeed. Cool !

 

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  posted on 3/5/2007 at 06:24 PM
Razor thin, I've heard
The rings of Saturn to be,
True or not, asks me.

 

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  posted on 3/6/2007 at 01:37 AM
Thanks Jacquie. Great to see people on here take a minute or two from the rat-race and view or study something beyond the surface of our little rock. Astronomy, so relaxing, so humbling...

A little larger version of one in your link, taken from 764,000 miles away:


And a video of the ring plane: http://www.space.com/php/video/player.php?video_id=cassini_crossing

quote:
Razor thin, I've heard
The rings of Saturn to be,
True or not, asks me.


Razor thin indeed. About 150,000 miles wide yet only tens of yards thick!
Maybe that should read tens of yards THIN!
So thin that they appear to completely vanish every XX years when the plane of the rings is orientated edge on to Earth.

And finally, our "pale blue dot" shot through the rings of Saturn! I love this shot.

 

Zen Peach



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  posted on 3/6/2007 at 07:16 AM

 

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Maximum Peach



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  posted on 3/6/2007 at 10:08 AM
Eric, nice graphic comparisons of the sizes of the planets and various stars.
quote:
In a class called red supergiant, Antares is about 700 times the diameter of our own Sun and 15 times more massive.
This hints at how ballooned out a red supergiant is. Let's do a few calculations to see what the numbers say.


1. Volume of Antares relative to the Sun



A radius is simply 1/2 the diameter, so the ratio in the quoted statement still holds. If the sun's radius = 1 r, its volume is figured like so:

Sun's volume = (1.3333)(3.1416)(1 x 1 x 1)
= 4.1889


Antares's radius is 700 r, so

Antares's volume = (1.3333)(3.1416)(700 x 700 x 700)
= 4.1889 x 343,000,000
= 1,436,792,700


Antares has about 1.4 billion times the volume of the Sun.

.

Left: Antares is the red supergiant dominating Scorpio, which keeps pretty low to the southern horizon. The best 9 p.m. viewing is in July.
Right: Lt. Nyota Uhura accompanies herself on Vulcan lyre while singing the torch song "Beyond Antares." A new Beacon cover?

http://memory-alpha.org/en/wiki/Beyond_Antares


2. Density of Antares relative to the Sun

Though Antares has 700 times the radius of the Sun, and therefore 1.4 billion times its volume, Antares has only 15 times the mass of the Sun.
To figure the density of Antares relative to the Sun, take the formula for the density of a sphere . . .



. . . and make 1 m = 1 solar mass. That formula is saying that density is mass divided by volume.

Antares's density = 15 / (4/3)(3.14)(700 x 700 x 700)
= 15 / 1,436,792,700, or let's round it off to 15 / 1437 million
= 0.0104 millionths = 1% of a millionth = 1/100,000,000


Antares, on average, has 1/100,000,000th the density of the Sun. As an imprecise analogy, that's sorta like the Sun is a cannonball, and Antares is a gigantic helium balloon. (You do the math on lead and helium!)

 

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  posted on 3/6/2007 at 11:18 AM
Anybody know where I can pick me up a good used Vulcan Lyre? I think I could play that.

 

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Zen Peach



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  posted on 3/6/2007 at 11:24 AM
Wharf that is going wayyyyy back. WOW! Do you remember what his finishing move was called??




April 2004: Perry Saturn was driving his girlfriend to work when he heard what he thought was an argument next to a vehicle..
~~~When he approached the vehicle, he saw two men trying to restrain a woman as they were raping her..
~~~Without hesitation, he grabbed both men off her, and started fighting with them..
~~~As he was able to get the woman free from her attackers, he felt a burning sensation in his neck..
~~~He thought originally it was a cut stemming from a punch..
~~~However, he learned soonafter he was shot three times in the neck with a 25 caliber handgun..
~~~Perry Saturn now has a steel plate and three stainless steel screws where his C-5, C-6 and C-7 vertabre..
~~~After a very tough and extensive amount of physical therapy and training, Saturn made his return to wrestling..
June 10, 2005: Perry Saturn pulled himself off of Shane Douglas' Hardcore Homecoming show due to his severe neck injury..
~~~Saturn had suffered the injury months ago but held off telling Douglas until the day of the event hoping to recover..

 

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Maximum Peach



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  posted on 3/20/2007 at 09:14 AM
Here's one for Sang :



Here's one for Dave :



Here's for JumboShrimp--the synthaxe is probably the closest you can get to Vulcan lyre :

.

http://splurgo.com/catalog/Vulcan-Lyre-Loops-p-16302.html

 

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  posted on 3/20/2007 at 09:17 AM
Uranus is pretty cool.

 

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