2023-12-23 01:35:00
Photo: NASA
[센머니=권혜은 기자] Video sent to Earth from deep space 31 million km away was broadcast in real time.
NASA, the U.S. space agency, announced on the 18th (local time) that it succeeded in receiving UHD-level images from the space probe Psyche to Earth through deep space optical communication technology (DSOC) using lasers, for the first time in the world through space laser communication.
The orange tabby cat that appears in the video is named Tatus. Although he did not actually fly in space, he appeared on Earth as captured in a video sent from a space probe.
The video was transmitted through a device called a ‘flying laser transceiver’ mounted on Psyche. The time it took to arrive at Earth was 101 seconds, and the transmission speed was up to 267Mbps. It flew 30 million kilometers in 1 minute and 41 seconds.
Through Psyche, NASA will test the performance of deep space optical communications up to a distance of 390 million km, more than twice the distance between the Earth and the Sun, over the next two years.
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