Why does curiosity have a black and white camera




















The penny was chosen as a nod to geologists' tradition of placing a coin for size reference in close-up photographs of rocks. Each camera has a wide-field, fish-eye lens that provides a degree view of the surrounding terrain. The Hazcams were sheltered behind transparent protective covers immediately after landing, in anticipation of the dust that was kicked up during touchdown, which is why those initial pictures were so splotchy.

Those dust covers will be shot off with a small pyrotechnic device to get clearer images. Curiosity also has two pairs of Navigation cameras Navcams mounted up high on its mast. Providing similar image quality as the Hazcams, these cameras will be used to help maneuver the rover to interesting locations. Images: 1 The location of all 17 of Curiosity's cameras on its body.

Adam is a Wired reporter and freelance journalist. He lives in Oakland, CA near a lake and enjoys space, physics, and other sciency things. Topics cameras Curiosity Rover Mars space. These caused the biggest cheers at mission control last Sunday. Somebody shouted "We got a thumbnail! That meant that Curiosity had beamed down a small version of the first image taken by the Hazcam. These thumbnails— which are 64 by 64 pixels in size—are like the icons for graphic archives in your computer, tiny previews that indicate the content of the bigger resolution image coming next.

The same happened with color video of its descent. Those images are originally 1, x 1, pixel, so expect a full—and spectacular—high definition movie of the descent in the coming months, as the images get uploaded to JPL's computers. It takes a while, because, in case you haven't noticed, the Rover is on Mars.

Which is very far away. The Rover is doing its best to send the photos to us as quickly as possible, but it's uploading them using radio waves. That will be part of the really good stuff. Not that what we have now is not good. It's amazing, because it shows that everything is working and fine. Today we only got the first color image, taken with an instrument that was not designed as Curiosity's primary camera.

But Curiosity has many cameras. Twelve, in fact. Some of them capable of capturing 3D. Each of these cameras has a different function. There are Navigation Cameras: 3D black and white cameras used to drive the rover, mounted on the head of the vehicle. There's the Laser-Induced Remote Sensing for Chemistry and Micro-Imaging, which is not a camera in the traditional sense, but one that will look into the composition of rocks with unprecedented detail and accuracy using a laser to vaporize rocks coupled with an spectrograph for analysis for the resulting plasma.

And then there's Mast Camera, or MastCam for short. This is the one designed to capture the amazing color images, panoramas, and video at 10 frames per second in high definition. Active 8 months ago. Viewed 4k times. Improve this question. Alan Marks Alan Marks 1 1 silver badge 6 6 bronze badges. Add a comment.

Active Oldest Votes. Improve this answer. Uwe Uwe There are 2 pairs of forward cameras and 2 single rear cameras, and the rover has something like 29 cameras total. Think of converting to greyscale as just another form of lossy compression. For instance, you talk about calculating a YUV image with different bit rates for each channel; the lower the U and V bitrate, the less information to transmit; so set it to zero, and transmit a greyscale image. Show 9 more comments. There are two basic approaches: Method 1 Put a colored filter in front of the sensor the lens.

Method 2 This approach is used in basically all of the billions of consumer and even professional digital cameras that now exist. Perseverance So, how does all of this pertain to Perseverance? JohannesD JohannesD 1 1 silver badge 5 5 bronze badges. I assume that the engineers wanted to see if everything was fine so they just took a quick pic.

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