Planetary news,09-1／行星新資訊09-1

CKYan

Credit: CFEPS
(1) Distant object found orbiting Sun backwards.
    一顆奇異的柯伊伯帶天體．
http://space.newscientist.com/ar ... sun-backwards-.html


Credit: NASA/JPL/Space Science Institute
(2) Cassini Images Ring Arcs Among Saturn's Moons.
    土衛與環．
http://saturn.jpl.nasa.gov/news/sig-event-details.cfm?newsID=869


香港天文學會
月球行星組