Artist rendition of the Parker Solar Probe All these satellites have observed the Sun through the plane from the ecliptic, and so have only observed its equatorial locations in detail. The Ulysses probe was launched in 1990 to check the Solar's polar regions. It initial traveled to Jupiter, to "slingshot" https://cruzkqwch.wikipublicist.com/4588256/detailed_notes_on_holzwerkbank_kinder