September 2025
AI cybersecurity - challenges in space
...add cost and complexity, and residual risks always remain. Communication with space assets, particularly those in geostationary orbit (GEO) or deep space, is subject to significant signal propagation delays (latency) and constrained data transmission...
October 2025
Satellite technology - from operational challenges to strategic opportunities
... and competition for radio-frequency (RF) spectrum in LEO and geostationary orbit (GEO) creates interference risks, while mega-constellations contribute to orbital congestion. The diversity of transmission requirements across various applications...
01 June 2021
Space junk collision highlights need for intervention
... services. It is estimated that there are around 34,000 trackable objects - larger than 5-10 cm in low Earth orbit (LEO) and 30 cm to 1 m in geostationary orbit (GEO) - as well as several thousands to millions of non-trackable debris particles...
March 2016
Saving Earth from an Expanding Sun
...asteroid at the L1 or L2 or L5 Lagrangian points of Earth’s orbit and tug Earth away. Sound implausible? Maybe it’s time to take ... a very, very long tether from Earth to above geostationary orbit, secured to a counterweight, it could be possible to...
August 2017
On-orbit assembly will deliver major benefits in coming decade
... and provide launch savings of several hundred million dollars. Communications satellites On-orbit assembly can also provide payoff for telecommunications in geostationary orbit (GEO). Consider the data distribution sector where the satellite is used...
January 2019
Preparing for a robotic revolution in Earth orbit
...; it produces no greenhouse gases, radioactive waste, pollution, or scarring of the Earth for resources; and from geostationary orbit, it is most efficiently received at low latitudes, where much of the Earth’s population growth is occurring. Japan...
