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Blog Archive

 

Scientific clarification: "inverted topography" is more general than "esker-like features"

Posted by Emily Lakdawalla on 2011/01/14 10:50 CST

In the past couple of months I've received several emails from scientists offering clarifications, corrections, or alternative points of view to previous posts, which is awesome and something that I enthusiastically encourage. Here's one of them.

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365 Days of Astronomy Podcast: Unmanned Space Exploration in 2011

Posted by Emily Lakdawalla on 2011/01/12 10:32 CST

Today the 365 Days of Astronomy podcast aired my contribution, Unmanned Space Exploration in 2011, about what to look forward to in solar system exploration this year.

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"A genuinely weird experience": A video of Steve Squyres explaining a photo of Steve Squyres

Posted by Emily Lakdawalla on 2011/01/12 10:09 CST

In a lovely talk, in his uncommonly engaging way, Steve Squyres presents the portrait of him that now hangs in the Smithsonian's National Portrait Gallery.

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Sunset and eclipse on Mars

Posted by Emily Lakdawalla on 2011/01/05 11:38 CST

These two movies were posted to the JPL website a couple of weeks ago, and they are just amazing.

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Two views of Santa Maria, from orbit and from the ground

Posted by Emily Lakdawalla on 2011/01/04 11:27 CST

Mars Reconnaissance Orbiter has just snapped another photo of Opportunity sitting on the ground on Mars. These pictures never get old.

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How Mars Express' orbit shifts with time

Posted by Emily Lakdawalla on 2011/01/04 11:02 CST

While I was writing yesterday's blog entry on Mars Express' Phobos flybys I realized that I didn't understand Mars Express' orbit very well. So I sent an inquiry to the Mars Express blog, which they answered in a blog entry today.

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It's Phobos season again for Mars Express

Posted by Emily Lakdawalla on 2011/01/03 01:43 CST

The Mars Express blog has been reactivated today, as a new series of Phobos flybys is already underway.

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Opportunity drives within 20 meters of Santa Maria, spots alligator's tail

Posted by Emily Lakdawalla on 2010/12/15 02:40 CST

Today Opportunity has driven to within 20 meters of Santa Maria crater, and the blocks around it are really, really cool-looking. This one is a dead ringer for the severed tail of an alligator.

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Opportunity: "So close we can taste it" to Santa Maria

Posted by Emily Lakdawalla on 2010/12/14 01:18 CST

Opportunity is on a kilometers-long eastward road trip across Meridiani Planum toward the rim of a large ancient crater named Endeavour; it'll be many months yet before she gets there.

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Door 11 in the 2010 advent calendar

Posted by Emily Lakdawalla on 2010/12/11 02:35 CST

Time to open the eleventh door in the advent calendar. Until the New Year, I'll be opening a door onto a different landscape from somewhere in the solar system. Where in the solar system are these sinuous ridges?

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Opportunity bags a few craters

Posted by Emily Lakdawalla on 2010/11/10 04:46 CST

In the last few days, Opportunity's passed by several craters, and the rover drivers took advantage of the chance encounters for what they call "drive-by shooting" (a phrase I can't say I'm particularly fond of, but they didn't ask me).

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Crack the code for a message from Mars, redux

Posted by Emily Lakdawalla on 2010/10/14 07:02 CDT

Waaaay back when Spirit and Opportunity landed on Mars in January 2004, the Planetary Society helped the public participate in the missions with a number of projects, including one where we printed "secret codes" around the edges of the two names-bearing DVDs that were bolted to the Mars Exploration Rover landers.

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Mars Climate Sounder Watches Mars Weather to Prepare for Curiosity Landing

Posted by David Kass on 2010/09/29 12:00 CDT

Two weeks ago Mars Reconnaissance Orbiter and Mars Climate Sounder (MCS) started a four-week campaign to support entry, descent, and landing phase for the next Mars rover, Mars Science Laboratory (or "Curiosity").

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Opportunity rolls up to Oileán Ruaidh

Posted by Emily Lakdawalla on 2010/09/22 05:17 CDT

Opportunity is continuing to make tracks toward Endeavour crater, but just because she's got a goal for her road trip doesn't mean she won't stop and smell the flowers from time to time. Er, did I say "flowers?" I meant "meteorites."

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Opportunity's rocky road ahead, good news for an aging rover

Posted by Emily Lakdawalla on 2010/09/15 04:38 CDT

What a difference a couple of months of driving make. Here's the sort of view of the Mars Exploration Rover Opportunity's road ahead that I'm accustomed to, taken two months ago.

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Tracing the Big Picture of Mars' Atmosphere

Posted by Bruce Betts on 2010/08/26 12:00 CDT

One of the instruments on a 2016 mission to orbit Mars will provide daily maps of global, pole-to-pole, vertical distributions of the temperature, dust, water vapor and ice clouds in the Martian atmosphere.

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A first look at distant hills

Posted by Emily Lakdawalla on 2010/08/25 12:36 CDT

Rover fans have been excitedly watching the hills on Opportunity's horizon grow taller and taller as Opportunity rolls toward its destination, Endeavour crater.

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Observing the Martian Atmosphere for Two Mars Years

Posted by David Kass on 2010/07/13 12:00 CDT

June 29, 2010 was the second Martian anniversary of the start of Mars Climate Sounder (MCS) observations at Mars.

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The goal of Opportunity's trek

Posted by Emily Lakdawalla on 2010/05/24 02:00 CDT

Opportunity's kilometers-long march across the sands of Meridiani Planum is a great story, and the journey is fun to follow; but what could be worth such a long march?

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A Martian Moment in Time, revisited

Posted by Emily Lakdawalla on 2010/05/12 02:30 CDT

A good start to my day today: The New York Times' Lens Blog featured the "Martian Moment in Time" photo that Opportunity took last week in a really nice writeup. I'm so grateful, and still a little surprised, that the folks on the Mars Exploration Rover mission took this idea and ran with it!

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