Space Communications

Definition ∞ Space communications refers to the transmission and reception of information between Earth and spacecraft, or between spacecraft themselves. This field involves specialized technologies and protocols to overcome challenges such as vast distances, signal delays, and harsh radiation environments. It is essential for controlling satellites, collecting scientific data, and supporting human space missions. Reliable space communication links are fundamental to all extraterrestrial operations.
Context ∞ The advancement of space communications holds implications for the future of global internet access and the potential extension of decentralized networks beyond Earth. Discussions often focus on technologies like laser communication and advanced antenna systems to increase bandwidth and reduce latency. Projects exploring satellite-based blockchain nodes highlight the increasing relevance of robust space communication infrastructure.