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Curiosity Mission Updates

NASA's Mars rover Curiosity acquired this image using its Mast Camera (Mastcam) on Sol 2156 Credit: NASA/JPL-Caltech/MSSS

Curiosity's plan for the weekend is extra large - 4 sols and almost 3 gigabits of data! We planned 4 sols due to the Labor Day weekend, and the hefty data volume is courtesy of extra downlink from two special orbiters. Curiosity sends her data back to Earth through various orbiters around Mars. Usually, we use the Mars Reconnaissance Orbiter (MRO) and Mars Odyssey (ODY) to transmit our data, and we get an average of 500 megabits of data per sol. (Note that 8 bits = 1 byte, so our average bandwidth is about 60 megabytes of data per sol. In contrast, DSL bandwidths are ~10 megabytes per second, so we get about 6 seconds worth of internet per sol!)

Recently, we have been getting lots of extra downlink. NASA's InSight mission will land in November, and MRO will be dedicated to relaying InSight data for its prime mission. Curiosity will shift to downlinking data through NASA's Mars Atmosphere and Volatile Evolution (MAVEN) orbiter and the European Space Agency's Trace Gas Orbiter (TGO). In preparation, we have been downlinking extra data using MAVEN and TGO. This has allowed us to downlink a backlog of images. In today's plan, we were able to take some large multispectral mosaics to fill an extra ~2 gigabits of downlink we expect next week. That's an extra 4 sols worth of bits!

Our activities include recharging the batteries on sol 2159. On the next three sols, Mastcam will take multispectral mosaics of "Tayvallich," "Rosie," "Rhinns of Galloway," and "Ben Haint" plus an image of "Ben Vorlich." ChemCam will analyze "Ben Vorlich" with LIBS, and ChemCam, APXS, and MAHLI will analyze "Tayvallich." It's time to check our instrument calibrations, and APXS will integrate overnight on its calibration target to better constrain dust that settled during the recent dust storm. MAHLI will image both the MAHLI and APXS calibration targets on sol 2161. ChemCam then takes its turn for characterizing dust by observing the passive spectrum of the white part of the Mastcam calibration target with a magnet under it, followed by passively observing the sky. After all of this imaging, Curiosity will drive toward our next drill location, and we hope to end within 15 m of our next drill site. Mastcam will take multispectral images of that area to help us choose the exact spot. Sol 2162 focuses on collecting environmental data, including a sky survey and an image of the crater rim to compare dust levels in Gale Crater with those in the atmosphere as a whole.

It's an extra large plan! And we will enjoy the long weekend - planning doesn't resume again until Wednesday.

About this Blog
These blog updates are provided by self-selected Mars Science Laboratory mission team members who love to share what Curiosity is doing with the public.

Dates of planned rover activities described in these reports are subject to change due to a variety of factors related to the Martian environment, communication relays and rover status.

Contributors
Tools on the
Curiosity Rover
The Curiosity rover has tools to study clues about past and present environmental conditions on Mars, including whether conditions have ever been favorable for microbial life. The rover carries:

Cameras

Spectrometers

Radiation Detectors

Environmental Sensors

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