The article highlights the technological advancement in communication systems for space missions, contrasting the grainy, low-quality images and videos transmitted during the original US moon missions in the 1960s and 1970s with the crystal-clear footage transmitted during the Artemis II Orion mission in April. This improvement was made possible by the Orion Artemis II Optical Communications System (O2O), developed collaboratively by MIT Lincoln Laboratory and NASA Goddard Space Flight Center.
The O2O system, which utilizes infrared laser light capable of transmitting 10 to 100 times more data per second than radio waves, successfully downlinked nearly half a terabyte of data at speeds of up to 260 megabits per second. This high-bandwidth connection enabled the transmission of unprecedented visual content, including views of the far side of the moon, a crescent Earth behind the moon, a total solar eclipse, and meteoroid impacts on the lunar surface. Lead systems engineer Farzana Khatri emphasized that the goal of the O2O system was to demonstrate its operational utility for human spaceflight, extending Earth-like internet connectivity to astronauts in deep space. Source