Credit: NASA/JPL/Space Science Institute
(1) Saturn's Approach To Equinox Reveals Never-before-seen Vertical Structures In Planet's Rings. 在土星過春分點之際，太陽的低照射角使平平無奇的土星環顯得異常． http://ciclops.org/view.php?id=5680
Credit: W. Carlos and J.M.P.
(2) Sunspots have been puzzlingly scarce for more than two years. Now, for the first time, solar physicists might understand why. 部分科學家確信他們已找出近年太陽超低黑子數目的原因． http://science.nasa.gov/headlines/y2009/17jun_jetstream.htm
發表於 2009-6-20 10:43:56