4K video on Orion (Artemis II) utilizing O2O
For the Orion (Artemis II) Moon mission, 4K video is captured onboard by high‑resolution cameras (commercial off‑the‑shelf digital‑still/video cameras adapted for space), then beamed back to Earth utilizing O2O.
4K video comes in two common formats: 3840×2160 pixels (4K UHD) TV/streaming, and 4096×2160 pixels (DCI 4K) for digital cinema — the higher pixel count builds the picture much sharper and more detailed, especially on large screens.
Instead of utilizing traditional radio‑frequency links, it encodes the video data into infrared laser beams and shoots them toward ground‑based optical receivers in places like Las Cruces, New Mexico, and Table Mountain, California, which are chosen for low cloud cover.
Data rate: O2O can transmit up to about 260 megabits per second, enough to sfinish 4K high‑definition video from lunar distance in near‑real time.
Why lasers assist: Laser‑link wavelengths are much shorter than radio waves, so they can pack far more data into the same “beam width,” allowing high‑resolution video without the multi‑day‑delay archives of older (Apollo) missions.
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