Why We've Only Ever Seen the Sun's Poles Once

The Ulysses mission revolutionized our understanding of the sun, but it's been the only orbiter to take this kind of out-of-ecliptic journey. Will an upcoming mission give us even more?

Hosted by: Caitlin Hofmeister

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Sources:

https://www.jpl.nasa.gov/news/news.php?release=2008-106
https://solarsystem.nasa.gov/missions/ulysses/in-depth/
http://sci.esa.int/ulysses/
http://sci.esa.int/ulysses/31043-orbit-navigation/
http://sci.esa.int/ulysses/33634-1st-solar-orbit/
http://sci.esa.int/ulysses/33635-2nd-solar-orbit/
http://sci.esa.int/ulysses/33636-beyond-the-heliosphere/
https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2008GL034896
https://arxiv.org/pdf/1510.06180.pdf
https://arxiv.org/pdf/astro-ph/0010494.pdf
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2003GL017136
https://link.springer.com/article/10.1023%2FA%3A1012260014646
https://doi.org/10.1016/j.asr.2010.03.001
https://arxiv.org/pdf/0804.0250.pdf
http://sci.esa.int/science-e/www/area/index.cfm?fareaid=45
http://adsabs.harvard.edu/abs/1992A&AS...92..401H

Images:

https://svs.gsfc.nasa.gov/11923
https://en.wikipedia.org/wiki/File:Artist_picture-Ulysses_after_deployment.jpg
https://commons.wikimedia.org/wiki/File:790106-0203_Voyager_58M_to_31M_reduced.gif
http://sci.esa.int/ulysses/42904-orbit-of-ulysses/
https://www.jpl.nasa.gov/missions/ulysses/
https://commons.wikimedia.org/wiki/File:Ulysses_at_Jupiter_H1.jpg
http://sci.esa.int/ulysses/43458-ulysses-spacecraft-data-indicate-solar-wind-at-a-50-year-low/
http://sci.esa.int/solar-orbiter/55750-artists-impression-of-solar-orbiter/
https://en.wikipedia.org/wiki/File:Solar_Cycle_Prediction.gif
https://en.wikipedia.org/wiki/File:Artist%E2%80%99s_impression_of_the_magnetar_in_the_star_cluster_Westerlund_1.jpg
https://en.wikipedia.org/wiki/File:Artist%E2%80%99s_Impression_of_a_Baby_Star_Still_Surrounded_by_a_Protoplanetary_Disc.jpg