#icymi Dark narrow streaks on Martian slopes such as these at Hale Crater are inferred to be formed by seasonal flow of water # on contemporary Mars. The streaks are roughly the length of a football field.  The imaging and topographical information in this processed false-color view come from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.  These dark features on the slopes are called "recurring slope lineae" or RSL. Planetary scientists…

#icymi Dark narrow streaks on Martian slopes such as these at Hale Crater are inferred to be formed by seasonal flow of water # on contemporary Mars. The streaks are roughly the length of a football field. The imaging and topographical information in this processed false-color view come from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter. These dark features on the slopes are called "recurring slope lineae" or RSL. Planetary scientists…

Surviving 'The Martian': How to Stay Alive on Mars (Infographic) By Karl Tate, Infographics Artist   | 9/30/15 Comparison of "The Martian" film with an actual NASA plan for Mars.

Surviving 'The Martian': How to Stay Alive on Mars (Infographic) By Karl Tate, Infographics Artist | 9/30/15 Comparison of "The Martian" film with an actual NASA plan for Mars.

今週の宇宙画像:最新ハイレゾ冥王星、網状星雲ほか | ナショナルジオグラフィック日本版サイト

今週の宇宙画像:最新ハイレゾ冥王星、網状星雲ほか

今週の宇宙画像:最新ハイレゾ冥王星、網状星雲ほか | ナショナルジオグラフィック日本版サイト

L’homme interpellé possède un casier judiciaire avec pas moins de 112 affaires et 29 condamnations…

L’homme interpellé possède un casier judiciaire avec pas moins de 112 affaires et 29 condamnations…

Researchers at the California Institute of Technology have found evidence in the outer solar system of an object that could be a real ninth planet. it weighs 10 times more than Earth, and orbits 20 times father from the sun. One full orbit for this planet would take 20,000 years.

New planet may have been discovered, researchers say - CNN.com

Researchers at the California Institute of Technology have found evidence in the outer solar system of an object that could be a real ninth planet. it weighs 10 times more than Earth, and orbits 20 times father from the sun. One full orbit for this planet would take 20,000 years.

Linhas escuras em monte no centro da cratera Horowitz, em Marte, atribuídas a água salgada líquida (Foto: Nasa/JPL/Universidade do Arizona)

Marte tem 'córregos' sazonais de água salgada, revela sonda da Nasa

Linhas escuras em monte no centro da cratera Horowitz, em Marte, atribuídas a água salgada líquida (Foto: Nasa/JPL/Universidade do Arizona)

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