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Blog Archive

 

Jupiter's Clouds: A Primer

Posted by Justin Cowart on 2016/07/08 08:02 CDT | 7 comments

With Juno arriving at Jupiter, Justin Cowart gives us a lesson on the giant planet's varied cloud patterns.

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Juno has arrived!

Posted by Emily Lakdawalla on 2016/07/05 01:14 CDT | 7 comments

For a second time, NASA has placed a spacecraft into orbit at Jupiter. The spacecraft operated exactly according to plan, and Juno successfully entered orbit today, July 5, 2016, UTC

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A peek at the JunoCam approach movie

Posted by Emily Lakdawalla on 2016/07/04 09:36 CDT | 2 comments

We're now just about 12 hours away from Juno's Jupiter orbit insertion. As anticipation ramps up, NASA has released this sneak peek at JunoCam's approach movie, made of views of Jupiter and its largest moons shot during the final approach, up until about five days ago.

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How to watch Juno's orbit insertion

Posted by Emily Lakdawalla on 2016/07/01 05:22 CDT | 3 comments

The big day is almost here. Juno begins firing its main engine at 20:18 PT / 23:18 ET / 03:18 UT on July 4/5, and the maneuver should be over 35 minutes later at 20:53 / 23:53 / 03:53. Here's how you can follow the mission through its most hazardous event since launch.

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Juno's first taste of science from Jupiter

Posted by Emily Lakdawalla on 2016/06/30 06:23 CDT | 8 comments

Jupiter is growing in Juno's forward view as the spacecraft approaches for its orbit insertion July 5 (July 4 in the Americas). The mission has released images from JunoCam and sonifications of data from the plasma waves instrument as Juno begins to sense Jupiter.

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Timeline of Juno Jupiter Orbit Insertion events

Posted by Emily Lakdawalla on 2016/06/16 02:55 CDT | 1 comments

Today NASA held a press briefing and released a press kit for the impending orbit insertion of the Juno spacecraft. The 35-minute orbit insertion burn is scheduled to begin July 5 at 03:18 UTC (July 4 20:18, PDT). Here's a timeline for events relating to orbit insertion.

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What to expect from JunoCam at Jupiter

Posted by Emily Lakdawalla on 2016/06/09 09:37 CDT | 16 comments

Juno will go in to orbit at Jupiter on July 5 (July 4 in North and South American time zones), and it's carrying a camera that's going to take really awesome photos of Jupiter. But you're going to have to be patient. Emily Lakdawalla explains why.

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What's up in the solar system, June 2016 edition: Juno approaches Jupiter

Posted by Emily Lakdawalla on 2016/06/01 05:23 CDT | 5 comments

Your monthly roundup of the adventures of the 20+ robots exploring our solar system.

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What's up in the solar system, May 2016 edition: Good news in cruise for Juno and ExoMars Trace Gas Orbiter

Posted by Emily Lakdawalla on 2016/05/03 11:17 CDT | 5 comments

May 2016 will be yet another month of fairly routine operations across the solar system -- if you can ever use the word "routine" to describe autonomous robots exploring other planets. ExoMars' cruise to Mars has started smoothly, and Juno is only two months away from Jupiter orbit insertion. Earthlings will witness a Mercury transit of the Sun on May 9.

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JunoCam cruise data, and a look ahead to Jupiter

Posted by Emily Lakdawalla on 2016/01/13 11:13 CST | 2 comments

Juno is now fewer than six months and 100 million kilometers away from Jupiter, and the Juno team is busily preparing for the arrival. Amateur astronomers are supporting them by taking lots of Jupiter photos.

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What's up in solar system exploration: August 2015 edition

Posted by Emily Lakdawalla on 2015/08/10 07:31 CDT | 5 comments

I'm back from two weeks' vacation, so it's time to catch up on the status of all our intrepid planetary missions, from Akatsuki to the Voyagers and hitting the Moon, Mars, asteroids, comets, and Saturn in between.

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Three mission updates: Trouble for Dawn at Ceres; A new plan for Juno; OSIRIS-REx coming together

Posted by Emily Lakdawalla on 2015/07/09 04:25 CDT | 6 comments

With all the focus on Pluto it's hard to keep up with all the other space missions currently exploring other planets. Here are brief updates on three of them.

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Another Day in the Solar System

Posted by Bill Dunford on 2014/05/12 09:56 CDT | 1 comments

One day, five worlds.

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Intro Astronomy Class 7: Near Earth Asteroids and the Jupiter System

Posted by Bruce Betts on 2014/03/21 02:10 CDT

Examine the threat of near Earth asteroids and begin exploring the Jupiter System in this video of class 7 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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What's up in planetary missions in 2014

Posted by Emily Lakdawalla on 2013/12/31 01:15 CST | 4 comments

With the New Year upon us, what can we look forward to in 2014? For me, the main event of 2014 is that ESA's Rosetta mission finally -- finally! -- catches up to the comet it has been chasing for a decade. We will lose LADEE, gain two Mars orbiters, and launch Hayabusa2. The year begins with an amazing 24 spacecraft exploring or cruising toward various planetary destinations.

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Conversations with an interplanetary spacecraft: "Hi, Juno!"

Posted by Emily Lakdawalla on 2013/12/17 09:37 CST | 6 comments

Juno's Earth flyby represented the first opportunity for many of the science instruments to be used on a planetary target. There were terrific photos of Earth and the Moon, plus a cool project to see if Juno could detect intelligent life on Earth.

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A Tale of Two Posters: Sediment on Mars and Searching Jupiter's Rings

Posted by Mark Hilverda on 2013/12/12 07:39 CST

A close look at two international planetary science poster presentations from the 2013 AGU Fall Meeting featuring sediment experiments to better understand Martian geomorphology and Juno's plans for exploring Jupiter's ring system.

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Will We Lose Cassini’s "New" Mission at Saturn to Budget Cuts?

Posted by Van Kane on 2013/11/12 06:26 CST | 5 comments

NASA’s shrinking budgets for planetary exploration may force it to decide between continued funding for the Saturn Cassini mission and the continued funding for its Mars missions.

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Juno is in Safe Mode again, but still okay
All Earth flyby data on the ground, including JunoCam images

Posted by Emily Lakdawalla on 2013/10/16 06:59 CDT | 6 comments

After entering safe mode last week during its Earth flyby, Juno returned to normal operations and downlinked all engineering and science instrument data. It entered safe mode again on Sunday night, but it is expected to re-resume normal operations late next week.

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Juno is in safe mode, but okay and on course following Earth flyby

Posted by Emily Lakdawalla on 2013/10/09 05:56 CDT | 5 comments

Following its Earth flyby earlier today, Juno is in safe mode. This is the protective state a spacecraft goes into when it detects a problem. But everything is okay. For more details, I just spoke with Rick Nybakken, Juno Project Manager at the Jet Propulsion Laboratory.

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