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Latest Guest Blog Posts

My Own Corner of Mars

Posted by Bill Dunford on 2014/04/07 10:02 CDT

How I took a high-res photo of an intriguing spot on the Red Planet--and how you can, too.

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Field Report From Mars: Sol 3623 – April 3, 2014

Posted by Larry Crumpler on 2014/04/06 01:17 CDT

Larry Crumpler gives an update on Opportunity's current location, next long-term target, and excitingly increasing power levels.

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Fireworks in the Earth's Sky Sent from the Moon: Reflections from LPSC 2014

Posted by Deepak Dhingra on 2014/04/03 07:00 CDT

Deepak Dhingra reports on presentations from this year's Lunar and Planetary Science Conference focusing on how impacts on the Moon have affected Earth.

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Discovery Missions for an Icy Moon with Active Plumes

Posted by Van Kane on 2014/04/02 07:31 CDT | 8 comments

In December, scientists announced the discovery of possible plumes of water being ejected from Jupiters’s moon Europa. If confirmed, Europa would be the second moon with confirmed plumes after Saturn’s moon Enceladus. Two Discovery mission proposals for Enceladus suggest the types of missions that may be proposed for Europa.

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Dawn Journal: Orbital Trajectories

Posted by Marc Rayman on 2014/04/01 09:48 CDT | 3 comments

Marc Rayman updates us on Dawn's status and explains how the spacecraft is actually getting closer to Earth at the moment as it moves deeper into the asteroid belt.

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LPSC 2014: The Curious Case of Active Volcanism on Venus

Posted by Constantine Tsang on 2014/04/01 12:10 CDT | 5 comments

She’s alive! She’s alive! Or is she? A little more than a week ago, at the Lunar and Planetary Science Conference 2014, evidence was presented that Venus was geologically active, not in the recent past, like 100,000 years ago, but right now.

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Comet Siding Spring Mars encounter: Cosmic bully spotted by ESA and NASA

Posted by ESA Mars Express Team on 2014/03/31 05:46 CDT

Hubble has taken some great new images of our 'friend,' Comet Siding Spring, due to pass by Mars at less than 136,000 km on October 19 – less than half the distance between Earth and our moon.

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The Future of Human Spaceflight – A Public Forum

Posted by Louis D. Friedman on 2014/03/31 05:37 CDT | 10 comments

A panel of three former astronauts will discuss the future of human spaceflight at a public event at the California Institute of Technology's Beckman Auditorium, Tuesday, April 8th, 2014 at 8 pm.

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Returning Explorers

Posted by Achim Vollhardt on 2014/03/28 01:25 CDT | 3 comments

ICE has been on a journey for over 30 years around our sun. While the owner has decided not to bring the ship back to its home port, a group of radio amateurs tries to find out how ICE is doing.

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A Centaur’s shadow reveals bright rings

Posted by Alex Parker on 2014/03/27 09:28 CDT | 7 comments

Yesterday, a team of astronomers announced that they discovered a set of planet-like rings around Chariklo, an asteroid-like body that currently resides in the unstable region between the orbits of Saturn and Uranus.

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