New Delhi, Oct. 3 -- What we know-and what we don't-about the separation of Nicole Kidman and Keith Urban after 19 years.

Nicole Kidman and Keith Urban have separated after 19 years of marriage, ending one of entertainment's most watched cross-Pacific partnerships and sending a ripple through two industries that long embraced them as a rare model of glamour, grit and endurance. The split-confirmed on Sept. 29 by a leading celebrity publication and echoed by a global wire service-follows a summer of growing distance, with the country star moving into a separate residence in Nashville while the Oscar winner worked abroad.

Representatives for both have not issued formal statements. Yet the contours of their lives in recent months have been...