Eli5 why is it so hard to get really good quality pictures in space or on other planets?
In: Physics
It isn’t actually hard. The main limiters is data transfer speeds. If you check nasa.gov you can find images with insane resolutions.
Other planets are insanely far away, and small so getting a signal back is hard. To even get a signal you have to point a dish pretty much directly at the sender. To show you how hard this is stand on the side of the road and look at the cars passing by and try find to every person wearing earrings, you’re lucky if you can find one. This is what you have to do constantly to get a signal. Light takes several minutes to reach Mars, and if we don’t catch all the signal we have to send it again. This slows down the download speed.
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