... Tonight's Sky . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... New insights about the origin of solar wind . Images from telescopes aboard a Japanese satellite have shed new light about the Sun's magnetic field and the origins of solar wind. ... Alfven waves in principle can transfer energy from the Sun's surface up through its atmosphere, or corona, into the solar wind. ... Only registered members of Astronomy.com are allowed to comment on this article. ...