May 16, 2012 is the third martian anniversary of the start of Mars Climate Sounder (MCS) observations from Mars Reconnaissance Orbiter. MCS started measuring the atmosphere of Mars three Mars years ago, on September 24, 2006. We can now compare the weather and behavior of the atmosphere in three different years, and find the temperature differences to be surprisingly large.
Last week, India launched RISAT 1, a new Earth-observing satellite. How does its synthetic aperture radar compare to that of Envisat, which has fallen silent?
Posted by Emily Lakdawalla on 2012/03/20 02:16 CDT
One of the topics I found most exciting yesterday was a series of talks on Titan's climate. Bob West showed how Titan's detached haze has shifted with time. Zibi Turtle presented about how Titan's weather has changed with these seasonal changes. Jason Barnes followed up Zibi's talk -- which was based on Cassini camera images -- with a study of the same regions using data from Cassini's imaging spectrometer, trying to figure out what was going on with that brightening. Ralph Lorenz talked about rainfall rates on Titan. Jeff Moore asked: what if Titan hasn't always had a thick atmosphere?
Posted by Jason Davis on 2012/01/09 05:54 CST
As of November 2011, the Earth Observing Handbook counts 109 active missions to study the Earth as a planet, with 112 more approved and planned for the future. Jason Davis provides an overview of key current and upcoming earth-observing missions.
Posted by Emily Lakdawalla on 2011/10/25 01:30 CDT
The Mars Climate Sounder team has recently confirmed a prediction of a weather phenomenon on Mars that we haven't been able to observe before.
Posted by Jim Shirley on 2011/10/25 12:00 CDT
The Mars Climate Sounder instrument provides routine nightside observations of atmospheric temperature and opacity that document the presence of rapidly evolving water ice cloud layers in the Martian tropics during the northern summer season.
Posted by Jason Davis on 2011/10/14 06:31 CDT
Data from Earth observing satellites Aura and CALIPSO have shown record losses of seasonal ozone in the Arctic.
Posted by Emily Lakdawalla on 2011/02/07 04:35 CST
There is a huge storm that's spreading across so much of Saturn that it's been readily visible even from Earth-based telescopes. Over the past couple of days a couple of new images of Saturn have appeared that show just how enormous the storm is today.
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").
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.
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.
Posted by David Kass on 2009/03/31 12:00 CDT
Posted by Bruce Betts on 2008/03/10 12:00 CDT
Last week Mars Climate Sounder collected its 20 millionth sounding at Mars. Mars Climate Sounder is scanning without problems, collecting science observations of the atmosphere of Mars. Mars Climate Sounder has now been observing Mars for over 17 months (three quarters of a Mars year and also approximately three quarters of the Mars Reconnaissance Orbiter primary science mission).
Posted by Bruce Betts on 2007/04/03 12:00 CDT
Two months after the start of Mars Reconnaissance Orbiter's primary science phase, the Mars Climate Sounder instrument has already acquired more than four million soundings, building toward a vast data set on the three-dimensional structure of Mars' atmosphere over the full Martian year of the orbiter's nominal mission.