April 2024
The promise of solar energy for sustainable development and space exploration
... be undertaken in such a way as to constitute an actual or implied “appropriation” of outer space, including with respect to the use of GEO orbital locations. Space-based solar power involves transforming solar power into electricity via photovoltaic...
May 2024
The challenges of satellite communications on the move
... receive channels and a single transmit channel so it can simultaneously receive from both LEO and expand MEO/GEO using a single flat antenna operating in the Ku-band. Another factor that has a bearing on antenna performance, which...
September 2024
Hypersonics and the route to orbit
... travel and LEO missions. The next iteration, HELLO-2, will carry 5500 kg to LEO, 1730 kg to geostationary orbit (GEO) and 760 kg to the lunar surface, and will be followed later by a proposed HELLO-3M, a crewed lunar mission. Naturally...
April 2025
Space sustainability and the role of space situational awareness
... supports the long-term viability of congested orbits, particularly in low Earth orbit (LEO) and geostationary orbit (GEO) while promoting collective responsibility for the space environment and driving investment in technologies and practices that...
04 October 2017
First ever Stratollite launch from Spaceport Tucson
... will help World View lead the way in the emerging stratospheric economy by offering many of the benefits of geo-stationary satellites, low Earth orbit satellites, and high-altitude drones but at a fraction of the cost of those...
01 June 2021
Space junk collision highlights need for intervention
... 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 in orbit around the Earth. “These in-orbit...
