ocr: TODAY ULYSSES, a joint project between ESA and NASA (named after the hero of a Greek legend), is charting the unknown reaches of space above and below the poles of the Sun. In particular, it is studying the solar wind that blows nonstop from the Sun and carves a huge bubble in space called the heliosphere. Ulysses has provided the first-ever map of the heliosphere from the equator to the poles. It was launched in October 1990. In 1994 and 2000, Ulysses flew over the Sun's southern pole and passed over the northern pole in 1995 and 2001. Together with SOHO, Ulysses is observing the Sun's activi ...
