December 2016 Current Affairs

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NASA spots possible Water Plumes Erupting on Jupiter's Moon Europa

NASA spots possible Water Plumes Erupting on Jupiter's Moon Europa
28 September 2016 Current Affairs: The latest finding has given scientists fresh hope that a robotic spacecraft could one day fly past these potential plumes and learn about their contents without having to drill miles deep into the moon's icy shell.

Using ultraviolet images taken by Hubble, a space telescope that was launched in 1990, the potential plumes were seen around the southern edge of Europa and appear as dark fingers or patches of possible absorption.

They were spotted over the course of 15 months in 2014 when scientists observed Europa passing in front of Jupiter.

This was observed by a team of astronomers led by William Sparks of the Space Telescope Science Institute (STScI) in Baltimore. They observed these finger-like projections while viewing Europa's limb as the moon passed in front of Jupiter.

If confirmed, Europa would be the second moon in the solar system known to have water vapor plumes. In 2005, NASA's Cassini orbiter detected jets of water vapor and dust spewing off the surface of Saturn's moon Enceladus.

Plumes on Europa : The plumes are estimated to rise about 125 miles (200 kilometers) before, presumably, raining material back down onto Europa's surface.

Europa has a huge global ocean that contains twice water than Earth’s oceans, which is protected by a layer of extremely cold and hard ice of unknown thickness.

The plumes provide a tantalizing opportunity to gather samples originating from under the surface without having to land or drill through the ice.


December 2016 Current affairs

November 2016 Current affairs
30 NOV
NEWS
29 NOV
NEWS
28 NOV
NEWS
26 NOV
NEWS
25 NOV
NEWS
24 NOV
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October 2016 Current affairs
31 OCT
NEWS
27 OCT
NEWS
26 OCT
NEWS
25 OCT
NEWS
24 OCT
NEWS
22 OCT
NEWS

September 2016 Current affairs
30 SEP
NEWS
29 SEP
NEWS
28 SEP
NEWS
27 SEP
NEWS
26 SEP
NEWS
24 SEP
NEWS

August 2016 Current affairs
31 AUG
NEWS
30 AUG
NEWS
29 AUG
NEWS
27 AUG
NEWS
26 AUG
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25 AUG
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