Planetary news 10-1 / 行星新資訊 10-1

CKYan

Credit: NASA
(1) Ice Found on Asteroid.  發現小行星有冰存在．
http://www.sciencenews.org/view/ ... rmed_on_an_asteroid


Credit: NASA
(2) Spitzer Discovers Saturn's Largest Ring. 土星的超巨紅外環．
http://science.nasa.gov/headlines/y2009/07oct_giantring.htm

香港天文學會
月球行星組