July 2021
Arecibo - an astounding legacy
... galaxy, which has merged with another galaxy and is undergoing a burst of star formation. A maser is analogous to a laser – an acronym for light amplification by stimulated emission of radiation – with the light ‘replaced’ by radiation at microwave...
October 2021
Russia and China – a new space axis
...on the upcoming Luna missions: Luna 25 (Switzerland); Luna 26 (Slovakia); Luna 28 (Germany); with the largest contribution, a laser landing system, drill, sample handler and analyser on Luna 27 (Britain and Italy). However, this is hardly a programme...
February 2023
Remote sensing by satellite - People’s Republic of China
...band SAR. GF 5 has six sensors, including a hyper spectral camera and a directional polarisation camera. The extra laser altimeter system on GF7 enables three-dimensional research. Resolution capabilities and other information about Gaofen satellites...
April 2024
The promise of space-based LiDAR
...of the electromagnetic spectrum. Historically, LiDAR technology has been employed on aircraft or ground-based platforms, using laser pulses to measure distances with extreme precision. This approach creates detailed, real-time, three-dimensional maps...
April 2024
Terraformal dreaming
..., or paint them with black soot, or cover them with lichens, or blast them with solar-powered space lasers… or, if Musk has his way, ‘nuke’ them with ten thousand missiles. Either way, planetary scientist Christopher...
April 2024
The promise of solar energy for sustainable development and space exploration
... possible range of options for transmitting energy safely and efficiently. These include radio frequency transmission and lasers for Space-Based Solar Power and simple reflection of sunlight to Earth-based solar farms. The goal...
