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New Hubble Photos of Uranus
Universe Today ^ | 1.22.04 | Universe Today

Posted on 01/28/2004 2:17:44 PM PST by ambrose

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New Hubble Photos of Uranus and Neptune

Jan 22, 2004 -

Image credit: Hubble
Atmospheric features on Uranus and Neptune are revealed in images taken with the Space Telescope Imaging Spectrograph and the Advanced Camera for Surveys aboard NASA's Hubble Space Telescope. The observations were taken in August 2003.

The top row reveals Uranus and Neptune in natural colors, showing the planets as they would appear if we could see them through a telescope. The images are made of exposures taken with filters sensitive to red, green, and blue light. In the bottom images, astronomers used different color filters to detect features we can't see. The photographs demonstrate that, by using certain types of color filters, astronomers can extract more information about a celestial object than our eyes normally can see.

At first glance, the top row of images makes the planets appear like twins. But the bottom row reveals that Uranus and Neptune are two different worlds. Uranus's rotational axis, for example, is tilted almost 90 degrees to Neptune's axis. The south poles of Uranus and Neptune are at the left and bottom, respectively. Both are tilted slightly toward Earth. Uranus also displays more contrast between both hemispheres. This may be caused by its extreme seasons.

Both planets display a banding structure of clouds and hazes aligned parallel to the equator. Additionally, a few discrete cloud features appear bright orange or red. The color is due to methane absorption in the red part of the spectrum. Methane is third in abundance in the atmospheres of Uranus and Neptune after hydrogen and helium, which are both transparent. Colors in the bands correspond to variations in the altitude and thickness of hazes and clouds. The colors allow scientists to measure the altitudes of clouds from far away.

Original Source: Hubble News Release



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TOPICS: Foreign Affairs
KEYWORDS: astronomy; hubble; isthaturanus; mars; moonsofuranus; neptune; ringarounduranus; space; uranus
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To: ambrose

WOW.....Uranus is pretty.
21 posted on 01/28/2004 2:25:48 PM PST by SouthernFreebird ( Go Panthers !)
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To: ambrose
must...restrain...impulse...to...crack...jokes....pfffttt...
22 posted on 01/28/2004 2:25:56 PM PST by reagan_fanatic (Ain't Skeered...)
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To: ambrose
Only after I eat burritos.
23 posted on 01/28/2004 2:26:04 PM PST by nobody_knows
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To: ambrose
I've heard that, on a clear night, you can see the moon over Uranus.
24 posted on 01/28/2004 2:26:07 PM PST by fishtank
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To: evets
I don't know, but I believe I can see the Enterprise.

To my credit I REALLY did try to resist all of this.
25 posted on 01/28/2004 2:26:16 PM PST by WayneM (Cut the KRAP (Karl Rove Amnesty Plan). Call your elected officials and say "NO!!")
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To: ambrose
I think they should use Hubble to shoot the moon - really!
26 posted on 01/28/2004 2:26:25 PM PST by demlosers (<a href="http://www.michaelmoore.com">Miserable Failure</a>)
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To: ambrose
Web Hubbell's Anus?

I thought it looked like Chelsea...

27 posted on 01/28/2004 2:26:25 PM PST by Solson (Our work is the presentation of our capabilities. - Von Goethe)
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To: <1/1,000,000th%

"Klingons!"


28 posted on 01/28/2004 2:27:06 PM PST by billorites (freepo ergo sum)
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To: dfwgator
Ass-teroids?
29 posted on 01/28/2004 2:27:21 PM PST by evets (APPLAUSE)
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To: ambrose
"Uranus's rotational axis, for example, is tilted almost 90 degrees to Neptune's axis."

I assume it's more comfortable in this position?

30 posted on 01/28/2004 2:27:58 PM PST by Unmarked Package
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To: SouthernFreebird
WOW.....Uranus is pretty.

And it's pink on the inside.

Take another look :)

31 posted on 01/28/2004 2:28:33 PM PST by demlosers (<a href="http://www.michaelmoore.com">Miserable Failure</a>)
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To: ambrose
Are you’re sure those are pictures of Uranus?
32 posted on 01/28/2004 2:28:48 PM PST by Lurking in Kansas (No tagline here... move along)
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To: ambrose
Just to satisfy my curiosity...

When was the official pronunciation changed from "youranus" to "urineous"?

My own kids will never know the joy of having their teacher struggle with the humor of it all.
33 posted on 01/28/2004 2:28:48 PM PST by WayneM (Cut the KRAP (Karl Rove Amnesty Plan). Call your elected officials and say "NO!!")
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To: ambrose
That could be a result of heat rash.
34 posted on 01/28/2004 2:29:10 PM PST by Mr. Lucky
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To: Lurking in Kansas
you're = you

D'oh

35 posted on 01/28/2004 2:29:48 PM PST by Lurking in Kansas (No tagline here... move along)
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To: ambrose
First Mars...THEN...Uranus! Who'll plant the flag though?
36 posted on 01/28/2004 2:31:25 PM PST by nobody_knows
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To: biblewonk
LOL {ping}
37 posted on 01/28/2004 2:33:05 PM PST by newgeezer (I'm a native American. Aren't you?)
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To: ambrose
I thought there was supposed to be a picture of my anus?
38 posted on 01/28/2004 2:33:13 PM PST by semaj ("....by their fruit you will know them.")
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To: ambrose
"Methane is third in abundance in the atmospheres of Uranus " (who knew?) btw - What is that ring of debris around Uranus?
39 posted on 01/28/2004 2:33:50 PM PST by evets (APPLAUSE)
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To: Unmarked Package
"Uranus's rotational axis, for example, is tilted almost 90 degrees to Neptune's axis."

I'd hate to be "downwind."

40 posted on 01/28/2004 2:34:51 PM PST by dfwgator
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