Planetary news 12-2 / 行星新資訊 12-2

CKYan

Credit: NASA, ESA, and G. Bacon (STScI)
Hubble Finds Smallest Kuiper Belt Object Ever Seen. 哈勃望遠鏡發現最細小的柯伊栢伯帶物體。
http://hubblesite.org/newscenter/archive/releases/2009/33/full/


Credit: NASA
NASA Shows Quiet Sun Means Cooling of Earth's Upper Atmosphere. 太陽低活動導致地球高層大氣冷卻。
http://www.nasa.gov/centers/lang ... es/2009/09-101.html


Credit: NASA/Johns Hopkins U/Carnegie Institution of Washington/U. S. G. S./Arizona State U
First high-resolution global map of Mercury. 水星最新全球圖。
http://messenger.jhuapl.edu/gall ... =2&image_id=370

月球行星組