Event:
NASA's Mars Reconnaissance Orbiter detects liquid water on Mars in the form of hydrated salts; the minerals are found along flow lines on steep slopes and tend to appear during 'warm' weather (above 10 degrees F , -23 degrees C)
More Notable Events on September 28:
1995 Yitzhak Rabin and Yasir Arafat, sign accord to transfer West Bank
1994 Ferry boat Estonia capsize and sinks in East Sea, 909 killed
1990 Marvin Gaye gets a star on Hollywood's walk of fame
1970 Anwar Sadat replaces Egyptian President Nassar
1959 Explorer VI reveals an intense radiation belt around Earth
