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Latest Guest Blog Posts

New treasures from Juno: Jupiter dazzles during fourth close approach

Posted by Björn Jónsson on 2017/03/27 02:00 CDT

Image processor Björn Jónsson shares some of his latest stunning images of Jupiter, created using data from NASA's Juno spacecraft.

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Juno just flew past Jupiter for the fifth time. What have we learned from the mission so far?

Posted by Anna Scott on 2017/03/27 06:00 CDT | 3 comments

There's no verdict quite yet on the giant planet's core, and scientists are still gathering clues about the accuracy of our current solar system formation models.

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Unraveling a Martian enigma: The hidden rivers of Arabia Terra

Posted by Joel Davis on 2017/03/21 11:01 CDT

Arabia Terra has always been a bit of a martian enigma. Planetary scientist Joel Davis takes us on a tour of its valley networks and their significance in telling the story of water on Mars.

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Postcard from Kentucky: Space in the Bluegrass State

Posted by Wayne Hall on 2017/03/16 06:00 CDT

In Kentucky, some very driven people are writing their own chapter of space exploration based on vision, entrepreneurial risk, and scientific and engineering know-how. Wayne Hall shares their stories.

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You’ve met Saturn’s ravioli-shaped moon, Pan. Now learn how it was discovered

Posted by Mark Showalter on 2017/03/13 01:22 CDT | 2 comments

Planetary astronomer Mark Showalter tells the story of when he became the first human to ever set eyes on Saturn's strange moon Pan in 1990.

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Field Report from Mars: Sol 4662 - March 6, 2017

Posted by Larry Crumpler on 2017/03/11 04:02 CST | 1 comment

For nearly two years, Opportunity's world has been tilted 10–25 degrees as it drove down to the lower slopes of the wall of Endeavour Crater. Toward the end of last week, Opportunity pulled itself up and over the lip of the crater.

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Mars Exploration Rovers Update: Opportunity Reaches Top of Endeavour Rim, Wraps Cape Tribulation

Posted by A.J.S. Rayl on 2017/03/03 07:54 CST | 5 comments

Driving the Mars Exploration Rovers (MER) mission further into its fourteenth year of surface operations, Opportunity continued hiking the slopes of Cape Tribulation in February and finally reached the crest of Endeavour Crater’s western rim.

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Dawn Journal: Intricate Maneuvers

Posted by Marc Rayman on 2017/03/02 09:00 CST | 2 comments

The Dawn mission is executing an ambitious bonus goal recently devised for its extended mission. Mission Manager and Chief Engineer Marc Rayman brings us his monthly update.

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Citizen scientist spots changes on Rosetta's comet

Posted by Marco Parigi on 2017/02/27 06:00 CST | 3 comments

Citizen scientist and self-described "comet whisperer" Marco Parisi explains how he made a striking discovery on Comet 67P using Rosetta mission data.

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Radar in Earth and Planetary Science: An Intro

Posted by Heather Hunter on 2017/02/24 11:14 CST | 1 comment

Heather Hunter explains how radar works and what it's used for on Earth and beyond.

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