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Τρίτη 6 Οκτωβρίου 2015

Water Flowing on Mars Today on This Week @NASA – October 2, 2015

     



Water Flowing on Mars Today on This Week @NASA – October 2, 2015



Δημοσιεύτηκε στις 2 Οκτ 2015
A
major scientific discovery was announced by NASA at a Sept. 28 news
conference. From its vantage point high above the Martian surface,
NASA’s Mars Reconnaissance Orbiter (MRO) spacecraft has found the
strongest evidence yet, that under certain circumstances, liquid water
has been found on Mars. Researchers say an imaging spectrometer on MRO
detected signatures of hydrated minerals on slopes where downhill
streaks, known as Recurring Slope Lineae (RSL) are seen. In the past,
RSL flows have been described as possibly related to liquid water. But
the new findings of hydrated minerals is key evidence. Hydrated salts
can lower the freezing point of liquid brine – and produce liquid water.
Also, Life beyond Earth in the next decade?, “The Martian” screening
event, Cargo ship departs space station, New cargo ship delivers to
space station, Rare double celestial treat and Espacio a Tierra!

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