Imagine watching the sunrise over a rusty landscape, casting long shadows across alien terrain. The air is thin and cold, the sky is dusky, and the silence is broken only by the whirring of your instruments. This isn't a scene from science fiction, but a glimpse into the Martian reality captured by NASA's Curiosity rover.
In November 2023, the Curiosity rover wasn't just exploring, it was observing. During a period of radio silence called Mars solar conjunction, the rover took advantage of its stationary position to record a mesmerising timelapse of a Martian day. The images were clicked on November 8 2023. Using both its front and rear Hazard-Avoidance Cameras (Hazcams), Curiosity documented the subtle dance of light and shadow as the sun traversed the sky.
NASA mentions: “When NASA’s Curiosity Mars rover isn’t on the move, it works pretty well as a sundial, as seen in two black-and-white videos recorded on Nov. 8, the 4,002nd Martian day, or sol, of the mission. The rover captured its own shadow shifting across the surface of Mars using its black-and-white Hazard-Avoidance Cameras, or Hazcams.”
“Instructions to record the videos were part of the last set of commands beamed up to Curiosity just before the start of Mars solar conjunction, a period when the Sun is between Earth and Mars. Because plasma from the Sun can interfere with radio communications, missions hold off on sending commands to Mars spacecraft for several weeks during this time. (The missions weren’t totally out of contact: They still radioed back regular health check-ins throughout conjunction,)” it added.
The resulting videos, stitched together from hundreds of individual images, offer a captivating view of the Martian landscape. Here is the complete video.
Hey look – I’m a sundial!
— Curiosity Rover (@MarsCuriosity) December 28, 2023
Ok, not exactly, but I did get a sol to enjoy my surroundings. During solar conjunction, I used my hazard cameras to study the Martian weather and dust.
As this Earth year comes to an end, I hope you’ll take the time to soak in what’s around you. pic.twitter.com/eCQAcVtT1L
Curiosity's own shadow becomes a silent protagonist, stretching across the ochre canvas and marking the passage of time. In the rear Hazcam view, we look down the Martian slopes towards the vast expanse of Gale Crater, the rover's home for over a decade.
These Martian time lapses are more than just stunning visuals; they are scientific treasures. By studying the changing shadows and the way light interacts with the landscape, scientists can learn more about the composition of the Martian surface, the atmosphere, and even the potential for ancient water.
Curiosity's Martian day is a reminder of the wonders that await us beyond our own blue planet. It's a testament to the tireless curiosity that drives us to explore, to understand, and to dream of one day walking on that distant red sand ourselves.
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