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Reports from the 2009 arctic Mars analogue Svalbard expedition

Juan Diego Rodriguez-Blanco • October 06, 2009

The expedition's goals were to integrate and test two new instruments for NASA's Mars Science Laboratory rover and four for ESA's ExoMars rover.

Exploring Mars on Earth: The Arctic Mars Analog Svalbard Expedition

Emily Lakdawalla • August 31, 2009

High in the Arctic, just below Earth's north polar ice cap, biologists, geologists, and engineers come together in Svalbard every August to practice and prepare for an expedition to Mars.

Reports from the 2009 AMASE Field Expedition

Emily Lakdawalla • August 06, 2009

Now that it's high summer in the Arctic, it's time for research expeditions to swarm northward to explore icy landscapes as analogues to Mars and other far-off places.

Dunes in the Outback Red Center

Jani Radebaugh • July 29, 2009

Jani talks about the importance of understanding analogs we can easily visit on Earth to processes happening across the solar system.

Planetary Surface Processes Field Trip: Day 7

Ryan Anderson • March 22, 2009

Friday was the last day of the field trip, and we spent it at the Petrified Forest National Park.

Planetary Surface Processes Field Trip: Day 6

Ryan Anderson • March 20, 2009

Today we visited Grand Falls and the nearby dune field. Grand Falls is especially interesting because it combines many of the processes that are active in shaping planetary surfaces.

Planetary Surface Processes Field Trip: Day 5

Ryan Anderson • March 19, 2009

Today was a long and awesome day. We started out at Meteor Crater, the youngest and best preserved impact crater on Earth!

Planetary Surface Processes Field Trip: Day 4

Ryan Anderson • March 18, 2009

Today we visited the Grand Canyon. If you haven’t been there before, there is no way to convey what it is like.

Planetary Surface Processes Field Trip: Day 3

Ryan Anderson • March 16, 2009

Today was all about volcanoes.

Planetary Surface Processes Field Trip: Day 2

Ryan Anderson • March 16, 2009

Today we made our way from Phoenix north to Flagstaff, and on the way stopped to check out some interesting geology in Sedona and Oak Creek Canyon.

Sands on Earth, Sands on Mars

Jim Bell • June 13, 2008

One of the ways that planetary scientists try to understand the origin and evolution of landforms on other planets is by studying similar kinds of landforms or "analogs" here on the Earth. For the past few days I've been working with a group of colleagues doing just that--specifically, studying dunes in the Great Sand Dunes National Park and Preserve in order to try to better understand the nature of sand dunes on Mars.

Space weather affects everyday life on Earth

Emily Lakdawalla • April 04, 2007

According to a press release issued this morning by the National Oceanic and Atmospheric Administration, the enormous solar flare that erupted on December 5 and 6 last year was accompanied by an intense radio burst that caused large numbers of Global Positioning System recivers to stop tracking the signal from the orbiting GPS satellites.

Europa on Earth: The Sulfur Springs of Borup Fiord Pass, Ellesmere Island

Stephen Grasby • July 19, 2006

From June 21 to July 6, 2006, a four-person team traveled to Borup Fiord Pass to perform geological field studies to compare with satellite images.

5...4...3...2...1...1...Happy New Year!

Emily Lakdawalla • December 31, 2005

Read that title aloud. Yes, the last minute of 2005 is actually 61 seconds long.

A fun picture for holiday travel

Emily Lakdawalla • November 22, 2005

A fun NASA explainer just crossed my email inbox and I thought I'd share it.

Another day, another natural disaster on Earth seen from space...

Emily Lakdawalla • September 29, 2005

...but this one is much closer to home than Katrina and Rita were.

A debate about time

Emily Lakdawalla • September 21, 2005

I received a press release in my inbox this morning that made me think. It came from the Royal Astronomical Society, and was titled "RAS Statement on Proposed Abolition of Leap Seconds."

Images from the August 2, 2005 MESSENGER Flyby of Earth

Emily Lakdawalla • August 26, 2005

On August 2, 2005, MESSENGER flew by Earth at an altitude of a mere 2,347 kilometers above Mongolia.

MESSENGER is getting close

Emily Lakdawalla • August 01, 2005

MESSENGER is now returning images as it is bearing down on Earth.

MESSENGER Snaps Earth-Moon Image in Approach to First Flyby

Emily Lakdawalla • June 02, 2005

As MESSENGER began its approach for its August 2 flyby of Earth, its cameras have snapped their first images. The images clearly show a cloudy Earth—and, to scientists' surprise, the Moon as well.

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