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JUNO AIN'T JUST JUPITER'S WIFE . . .

 
 
Setanta
 
Reply Sat 2 Jul, 2016 02:12 pm
. . . it's also the name of a NASA mission to the planet Jupiter. Juno will be keeping an eye on her wayward husband.

NASA's Juno mission page has a good "trailer." Look on the right side, just a little below the center line of the page. Juno arrives at Jupiter on July 4.
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Type: Discussion • Score: 0 • Views: 1,371 • Replies: 7

 
Tes yeux noirs
 
  3  
Reply Sat 2 Jul, 2016 02:32 pm
... and one of the British and Commonwealth beaches on D-Day.
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oralloy
 
  0  
Reply Mon 4 Jul, 2016 04:41 pm

Key times for the probe tonight:

11:18 PM (eastern daylight time): deceleration engines start

11:53 PM: deceleration engines stop

12:07 AM: spacecraft orients solar panels towards sun


The NASA TV channel is probably going to be the best source of timely information. An online source likely have timely updates is this Twitter feed:
http://twitter.com/NASAJuno/with_replies

If the probe is destroyed or heavily damaged, one likely indicator will be the dishes aimed at the probe no longer receiving any downlink signal, which would be indicated on this page:
http://eyes.nasa.gov/dsn/dsn.html
oralloy
 
  0  
Reply Mon 4 Jul, 2016 10:46 pm

SUCCESS!

Spacecraft is in the desired orbit around Jupiter, has reoriented its solar panels towards the sun, and is operating normally.

http://twitter.com/NASAJuno/status/750188366562414592
http://twitter.com/NASA/status/750188352423374848
Setanta
 
  1  
Reply Tue 5 Jul, 2016 01:52 am
Cool beans . . . it's not as though i were going to stay up all night to see what happens, so i'm glad to find that JOI was successful. Now to survive the biggest, badest magnetosphere in this star system.
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neil
 
  1  
Reply Wed 6 Jul, 2016 02:06 pm
@oralloy,
How close did Juno get to the cloud tops of Jupiter? How long will it take Juno to get a million kilometers from Jupiter?
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jespah
 
  1  
Reply Wed 6 Jul, 2016 02:12 pm
@oralloy,
WOW! I am reminded of a scene from the book, 2001, where Arthur C. Clarke describes deploying a probe into Jupiter's atmosphere. This is just fascinating. Our scientists are really doin' it! Smile
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oralloy
 
  0  
Reply Fri 2 Sep, 2016 05:27 pm

PIA21031: Close-Up Views of Jupiter's North Pole

http://photojournal.jpl.nasa.gov/catalog/PIA21031

Storm systems and weather activity unlike anything encountered in the solar system are on view in these color images of Jupiter's north polar region from NASA's Juno spacecraft.

Two versions of the image have been contrast-enhanced differently to bring out detail near the dark terminator and near the bright limb.

The JunoCam instrument took the images to create this color view on August 27, when the spacecraft was about 48,000 miles (78,000 kilometers) above the polar cloud tops.

A wavy boundary is visible halfway between the grayish region at left (closer to the pole and the nightside shadow) and the lighter-colored area on the right. The wavy appearance of the boundary represents a Rossby wave -- a north-south meandering of a predominantly east-west flow in an atmospheric jet. This may be caused by a difference in temperature between air to the north and south of this boundary, as is often the case with such waves in Earth's atmosphere.

The polar region is filled with a variety of discrete atmospheric features. Some of these are ovals, but the larger and brighter features have a "pinwheel" shape reminiscent of the shape of terrestrial hurricanes. Tracking the motion and evolution of these features across multiple orbits will provide clues about the dynamics of the Jovian atmosphere.

This image also provides the first example of cloud shadowing on Jupiter: near the top of the image, a high cloud feature is seen past the normal boundary between day and night, illuminated above the cloud deck below.

While subtle color differences are visible in the image, some of these are likely the result of scattered light within the JunoCam optics. Work is ongoing to characterize these effects.

http://photojournal.jpl.nasa.gov/figures/PIA21031_fig1.jpg
http://photojournal.jpl.nasa.gov/figures/PIA21031_fig2.jpg

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PIA21032: Jupiter Down Under

http://photojournal.jpl.nasa.gov/catalog/PIA21032

This image from NASA's Juno spacecraft provides a never-before-seen perspective on Jupiter's south pole.

The JunoCam instrument acquired the view on August 27, 2016, when the spacecraft was about 58,700 miles (94,500 kilometers) above the polar region. At this point, the spacecraft was about an hour past its closest approach, and fine detail in the south polar region is clearly resolved.

Unlike the equatorial region's familiar structure of belts and zones, the poles are mottled by clockwise and counterclockwise rotating storms of various sizes, similar to giant versions of terrestrial hurricanes. The south pole has never been seen from this viewpoint, although the Cassini spacecraft was able to observe most of the polar region at highly oblique angles as it flew past Jupiter on its way to Saturn in 2000.

http://photojournal.jpl.nasa.gov/jpeg/PIA21032.jpg
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