就在这之前,勇气号的电力供应出人意料地增加了,这有可能是尘暴接近或经过火星车时清洁了它的太阳能电池板的缘故。
Just the previous day, Spirit's power acquisition increased unexpectedly, possibly the result of a dust devil passing near or over the Spirit rover and effectively cleaning its solar panels.
参考:
http://tianwen.blogbus.com/logs/2005/03/1076061.html
Astronomy Picture of the Day 2005 March 23
http://antwrp.gsfc.nasa.gov/apod/ap050323.html