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Latest Guest Blog Posts

Mars Exploration Rovers Update: Opportunity Tours Spirit of St. Louis Crater

Posted by A.J.S. Rayl on 2015/06/03 07:21 CDT | 1 comment

Opportunity spent a mostly merry month of May on Mars touring Spirit of St. Louis Crater, stopping at science targets named in honor of Charles Lindbergh and the incredible flight he took 88 years ago.

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Lonny Baker: An Appreciation

Posted by Tom Kemp on 2015/06/01 01:44 CDT

Global Volunteer Coordinator Tom Kemp pays a heartfelt tribute to The Planetary Society's first Global Volunteer Leader, Lonny Baker.

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Dawn Journal: Spiralling Closer to Ceres

Posted by Marc Rayman on 2015/05/29 07:32 CDT | 6 comments

Dawn's Chief Engineer and Mission Director Marc Rayman gives an update as the spacecraft's orbit takes it even closer to the dwarf planet Ceres.

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Pretty pictures of the Cosmos: Special Qualities

Posted by Adam Block on 2015/05/27 11:42 CDT

Award-winning astrophotographer Adam Block shares some images of nebulae and a galaxy with some special qualities to each of them.

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Two Months from Pluto!

Posted by Paul Schenk on 2015/05/19 06:12 CDT | 5 comments

Two months. Eight and half weeks. 58 days. It's a concept almost too difficult to grasp: we are on Pluto's doorstep.

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Mars Plans Advance (and Occasionally Fade)

Posted by Van Kane on 2015/05/08 04:05 CDT | 13 comments

In the last two months, there has been significant news about the European-Russian 2018 mission and about NASA’s 2020 rover. NASA also has announced that it would like to send a new orbiter to the Red Planet in the early 2020s.

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OSIRIS-REx – Seeking Answers to the Sweet Mystery of Life

Posted by Jason Dworkin on 2015/05/07 12:21 CDT | 2 comments

The nature of the origin of life is a topic that has engaged people since ancient times. The samples to be collected by OSIRIS-REx, returned to the Earth in 2023 and archived for decades beyond that, may indeed hide the secrets to the origin of life.

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Sunset on Mars

Posted by Damia Bouic on 2015/05/06 02:07 CDT | 7 comments

Long before Curiosity's landing, the description of the color camera made ​​me dream: I imagined what wonderful pictures we could get of sunsets and sunrises on Mars. They finally came on sol 956, the 15th of April, 2015.

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Mars Exploration Rovers Update: Opportunity Logs Sol 4000, Digs Spirit of St. Louis Crater

Posted by A.J.S. Rayl on 2015/05/05 09:20 CDT | 2 comments

After investigating some flat, light and dark toned rocks around Spirit of St. Louis Crater in April, Opportunity chalked up another milestone achievement – the 4000th sol or Martian day of surface operations.

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Mars Exploration Rovers Special Update: MERathon Celebrates Opportunity's Marathon

Posted by A.J.S. Rayl on 2015/05/01 10:06 CDT

MER mission ops team members joined other engineers and scientists, some who previously worked on the MER mission, to take on the challenge of a relay marathon to celebrate Opportunity's milestone achievement.

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