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Oppositions, conjunctions, seasons, and ring plane crossings of the giant planets

Posted by Emily Lakdawalla on 2016/07/07 08:01 CDT | 4 comments

When are the solstices and equinoxes on the giant planets, and when are they best positioned for view from Earth? I ask these questions a lot as I write about Earth photos of giant planets, and I finally decided to gather the answers to those questions in a single post.

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Checking in on Uranus and Neptune, September 2015 edition

Posted by Emily Lakdawalla on 2015/09/22 01:28 CDT | 5 comments

There are no spacecraft at Uranus or Neptune, and there haven't been for 30 and 25 years, respectively. So we depend on Earth-based astronomers to monitor them, including Damian Peach.

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Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Posted by Bruce Betts on 2015/02/04 05:00 CST | 2 comments

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

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Revisiting Uranus with Voyager 2

Posted by Björn Jónsson on 2014/12/10 10:44 CST | 2 comments

Amateur image processor Björn Jónsson brings us some new views of Uranus from reprocessed Voyager 2 data.

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Another Pale Blue Dot — Uranus Spied By Cassini

Posted by Val KlavansIan Regan on 2014/04/30 06:53 CDT | 1 comments

The Cassini mission has already returned an array of images of other solar system members from Saturn orbit: Earth (and the Moon), Venus, Mars, and Jupiter. It’s time to add another world to that list!

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Intro Astronomy Class 9: Titan, Uranus and Neptune Systems

Posted by Bruce Betts on 2014/04/11 02:31 CDT

Examine Saturn's moon Titan and explore the Uranian and Neptunian systems in this video of class 9 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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Intro Astronomy Class 1: Tour of the Solar System

Posted by Bruce Betts on 2014/02/11 05:53 CST | 1 comments

Take a tour of the Solar System in the video of class 1 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Posted by Bruce Betts on 2014/02/05 05:02 CST | 9 comments

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

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Through a Glass, Darkly

Posted by Bill Dunford on 2014/01/13 12:46 CST | 5 comments

When sent from deep space, even imperfect images can inform and amaze.

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Cosmos with Cosmos Episode 6: Travellers' Tales
Voyager is the ultimate expression of our desire to explore

Posted by Casey Dreier on 2013/11/25 03:56 CST | 12 comments

The Voyager mission may be the ultimate expression of our desire to explore, but why does that will exist in the first place? Why is it unique to humans?

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Uranus Awaits

Posted by Geraint Jones on 2013/10/18 11:23 CDT | 3 comments

It’s been a long time since anyone paid Uranus a visit. The Uranus system is, however, fascinating, as evidenced by the wealth of topics covered by the diverse group of planetary scientists who gathered to discuss it last week at the Paris Observatory.

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Gravity assist

Posted by David Shortt on 2013/09/27 01:30 CDT | 20 comments

With the recent announcement by NASA that the 36 year-old spacecraft Voyager 1 has officially entered interstellar space at a distance from the sun about four times further than Neptune's orbit, and with Voyager 2 not far behind, it seems worthwhile to explore how humans managed to fling objects so far into space.

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Europe Will Select Its Next Major Science Mission in November

Posted by Van Kane on 2013/09/25 01:22 CDT | 2 comments

The European Space Agency will announce two major science missions this November, one of which is likely to be devoted to solar system exploration.

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Uranus or Bust (and on a budget)

Posted by Van Kane on 2013/07/09 12:38 CDT | 3 comments

New plans may make a mission to Uranus affordable within NASA's new, constrained budget.

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Lesser-known views of Uranus and Neptune

Posted by Emily Lakdawalla on 2013/05/28 10:58 CDT | 9 comments

Despite the fact that Voyager 2 returned relatively few high-resolution images from either Uranus or Neptune, there are many more photos in the archives than regularly make it to public view.

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Planetary Society Weekly Hangout: The Ice Giants, with Heidi Hammel

Posted by Emily Lakdawalla on 2013/04/11 02:00 CDT | 5 comments

My guest this was Planetary Society Board vice president Heidi Hammel. We discussed two planets near and dear to our hearts, Neptune and Uranus. What's new on these icy worlds since Voyager 2 passed by, and what are the prospects for their future exploration?

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DPS 2012: The most detailed images of Uranus' atmosphere ever

Posted by Emily Lakdawalla on 2012/10/22 04:14 CDT | 4 comments

New ground-based images of Uranus show more finely detailed structure than any photos I have ever seen.

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Cure for the blues: processing images of a blue planet

Posted by Emily Lakdawalla on 2012/09/06 01:00 CDT

I noticed today that I hadn't seen any amateur-processed versions of Voyager's departing shots of Uranus, so I decided to give it a try.

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Following up the dark spot on Uranus

Posted by Heidi Hammel on 2012/09/04 06:38 CDT | 2 comments

It was a surprise and delight to have our Icarus paper highlighted in Emily Lakdawalla's blog. Thanks for highlighting Uranus, since it has gotten, ahem, a bum rap over the years. Here's more about our discovery of the dark spot on Uranus.

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New spots on Uranus

Posted by Emily Lakdawalla on 2012/08/22 05:42 CDT | 5 comments

New Hubble photos show that Uranus has both dark and bright spots!

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