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Scientists have found compelling evidence for a stratosphere on an enormous planet outside our solar system. The planet’s stratosphere—a layer of atmosphere where temperature increases with higher alt...
Dramatic climate cycles on early Mars, triggered by buildup of greenhouse gases, may be the key to understanding how liquid water left its mark on the planet's surface, according to a team of planetar...
Remote sensing data from orbiter missions have proposed that ground ice may currently exist on Mars, although the volume is still uncertain. Recent analyses of Martian meteorites have suggested that ...
Our solar system originated from a protoplanetary disk about 4.6 billion years ago. We simulate the formation of this disk by a three-stage model of the solar nebula (SN) which describes the hydrodyn...
Evidence for Time Evolution in the Exciting Source of the Expanding Water Maser Bubble in Cepheus A。
December 14, 2006,Now, as reported in the December 15 issue of the journal Science, researchers have proposed an alternate model to account for this spectacular plume.
Water flows on Mars(图)     Water  Mars  planetary       2006/12/19
6 December 2006,The search for water on Mars -- and the implications that its discovery would have for the planet’s ability to sustain life -- has long captivated planetary scientists and amateur spac...

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