Planetary news,5-1／行星新資訊5-1

CKYan

Planetary news,05-1／行星新資訊05-1


Credit: NASA/JPL
(1) The theory that the Chicxulub impact caused the extinction of the dinosaurs is challenged.
    希克蘇魯伯隕擊與恐龍大滅?非同期發生．  
http://www.physorg.com/news160028871.html


Credit: NASA/Cassini/UnmannedSpaceflight.com
(2) The ice plumes that bloom above Enceladus are rooted in a subsurface sea of liquid water.
    土衛二噴流含鹽分並指向衛星存在液態水的可能性．
http://www.newscientist.com/arti ... o-liquid-ocean.html


Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Arizona State University/Carnegie Institution of Washington
(3) Analyses of data from the MESSENGER spacecraft show that the planet’s atmosphere, magnetosphere, and geological past are all characterized by much greater levels of activity than scientists first suspected.
    信使號資料揭開水星過去的大氣，磁層及地質比想像中更為活躍．
http://www.nasa.gov/mission_page ... lecon_20090430.html


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