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Originally posted by r2d246
What this proves is actually how cheaply they made this hollywood prop. So they tell some tech guys to go into there warehouse somewhere and use old parts to build this thing. They didn't actually spend a dime on it. They use old cameras and old everything.
Originally posted by ErtaiNaGia
reply to post by OrionHunterX
The smaller the Transistors in an integrated circuit, the less resilient it is to solar, and cosmic radiation.
This has to do with Radiation Flux, which is the incident power of the radiation over a certain area, or volume.
As you decrease the size of the transistors on the chip (I think the best we have right now is around 23 nanometres) you increase the total radiation flux per transistor.
The main problem with transistors within powerful radiation fields, is that the transistors conduct the energy of the radiation, and it turns into eddy currents of voltage spikes across the input, output, and gate....
If you apply more than the transistors breakdown voltage, even momentarily... you destroy the semiconductor properties of the transistor.
This is why the best computer systems for interplanetary missions, are going to be the older, larger transistor stuff that we made years ago, because it is more resilient to these kinds of voltage spikes.
Each camera has an 8 gigabyte internal buffer that permits it to store over 5,500 raw frames. Each camera is capable of losslessly compressing the images, or applying lossy JPEG compression, in realtime during acquisition and storage, although it is more likely that images will be acquired raw and compressed just prior to downlink to Earth. The 8 gigabytes is equivalent to a full-scale mosaic of 360° × 80° imaged in 3 science color filters with >= 20% overlap between adjacent images. With minimally lossy JPEG compression (e.g., a factor of 2), a mosaic including all science filters could be acquired. This is much more than can be transmitted back to Earth under normal communication limitations. Subframing of images is only available at acquisition, not during later processing. Color thumbnail images of 150 × 150 pixels can be created simultaneously with the acquisition of full scale images, or during processing just prior to downlink.
It's probably the result of adjusting the lightness of the whole image instead of using the individual images. If you look at the originals you can see that the shadows were not that dark.
Originally posted by Odisea2012
Now look at the intensity of light (sun at the top), that darkness into the rocky hillside is impossible and could only have been placed on purpose
Not impossible, that's the result of making an image with three photos taken some two minutes apart from each other, as the Sun keeps on moving and so do the shadows. You can see that in the animation below, made with three images that show a shadow.
Look also at the far edges of the shadows and you'll see two different colored borders two shadows?? impossible
I never use brightness and contrast changes directly, I use levels adjustments, they are much more precise and give us much more control of the changes.
Now increases the brightness to achieve clarity in darkened area, you will see everything that appears beneath that darkness
I don't understand what you mean by "what's underneath", could you please explain it? Thanks in advance.
If that were the real shadow darkness in these light conditions ...
A: double color would not exist in its edge and
B: the camera had not registered what's underneath, let alone had recorded details impossible as shadows of the rocks beneath the dark
I have done it several times in these last years.
Look at the picture very carefully