ot- cool picture

[Michael Havens]

http://www.space.com/php/multimedia/imagedisplay/img_display.php?pic=ig323_hubble_Pluto_02.jpg&cap=NASA%27s%20Hubble%20Space%20Telescope%20%3Ca%20href%3Dhttp%3A%2F%2Fwww.space.com%2Fscienceastronomy%2F060411_planet_shrinks.html%20target%3Dnew%3Eobserved%3C%2Fa%3E%20what%2C%20at%20the%20time%20was%20known%20as%20the%20%22%3Ca%20href%3Dhttp%3A%2F%2Fwww.space.com%2Fscienceastronomy%2F060824_planet_definition.html%20target%3Dnew%3Etenth%20planet%3C%2Fa%3E%2C%22%20nicknamed%20%22%3Ca%20href%3Dhttp%3A%2F%2Fwww.space.com%2Fscienceastronomy%2Fap_051001_newmoon.html%20target%3Dnew%3EXena%3C%2Fa%3E%2C%22%20for%20the%20first%20time%20and%20has%20found%20that%20it%20is%20only%20just%20a%20little%20larger%20than%20Pluto.
%20Though%20previous%20ground-based%20observations%20suggested%20that%20Xena%20was%20about%2030%20percent%20greater%20in%20diameter%20than%20Pluto%2C%20Hubble%20observations%20taken%20on%20Dec.
%209%20and%2010%2C%202005%2C%20yield%20a%20diameter%20of%201%2C490%20miles%20%28with%20an%20uncertainty%20of%2060%20miles%29%20for%20Xena.
%20Click%20to%20enlarge.