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Ten times the solar system reminded us sample collection is hard

Emily Lakdawalla • February 19, 2018 • 3

Some of the biggest discoveries we make in planetary science rely on the seemingly simple act of picking up and analyzing pieces of other worlds. When things go awry, scientists and engineers can sometimes squeeze amazing science out of a tough situation.

Intro Astronomy Class 6: Mars (continued) and Asteroids

Bruce Betts • March 14, 2014

Continue exploring Mars and learn about asteroids in this video of class 6 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Pretty pictures of terraced craters on Mars

Emily Lakdawalla • February 27, 2014 • 3

Check out this unusual crater on Mars. It's not a very big one, less than 500 meters in diameter, and yet it has two rings. Most craters on Mars this size are simple bowl shapes. What's going on here?

Who is the photographer behind Mars rover photos? Answer from Mark Lemmon

Mark Lemmon • December 21, 2012 • 2

A Mars imaging scientist answers the question: who is the "photographer" behind images returned from Mars?

Mars Exploration Family Portrait

Emily Lakdawalla • November 23, 2011 • 1

Jason Davis put together this neat summary of the checkered history of Mars exploration.

Phoenix is dead...long live Phoenix!

Emily Lakdawalla and Bruce Betts • June 02, 2010

The latest HiRISE images of the Phoenix polar lander, taken near Mars' northern summer solstice, show why we haven't heard from the spacecraft since it fell silent on November 2, 2008: it appears the solar panels have collapsed.

Happy solstice -- on Mars

Emily Lakdawalla • May 13, 2010

It's the solstice on Mars today: summer in the north, winter in the south.

No signal from Phoenix

Emily Lakdawalla • April 14, 2010

After three listening campaigns taking place from January through April, Mars Odyssey has detected no signal from Phoenix.

LPSC, Day 1: Spirit and Phoenix

Emily Lakdawalla • March 02, 2010

Where to begin with the Lunar and Planetary Science Conference (LPSC)?

Odyssey's going to start listening for Phoenix

Emily Lakdawalla • January 11, 2010

It's been the second most popular question I get from readers: "When might we possibly hear from Phoenix?"

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