April 2017
Mega-challenges for mega-constellations
... Several information technology and electronics companies have announced plans to provide such service via large constellations in low Earth orbit (LEO) by 2018-2020. The proposed concepts foresee spanning a global, leak-proof network of inter-linked...
February 2018
European centre shifts emphasis to deep space missions
... in spaceflight from earlier decades. EAC is now also focused on future exploration beyond the ISS and low Earth orbit (LEO) operations, and is actively developing collaborative programmes related to deep space exploration missions. EAC is Neutral...
February 2020
Aeroshells – from LEO to Mars
... such as SpaceX and OneWeb to add thousands of new small satellites to the 1000 or so active satellites already in low Earth orbit make the sustainable management of space debris more important than ever. In an attempt to address this, the MAAC...
April 2025
Spacecraft anomalies and insurance losses
... in this article, because most major insured spacecraft are in GEO. Low Earth orbit (LEO) constellation operators sometimes insure the launches of their spacecraft, but not for in-orbit risks and such is the number of their spacecraft that they...
April 2026
Spaceflight and the radiation problem
... cancer, central nervous system damage, bone loss and some cardiovascular diseases. Shielding Just one day in low Earth orbit (LEO) exposes a person to the same amount of radiation experienced on the surface of the planet...
May 2026
Satellite brightness and the mitigation challenge
...than a decade, thousands of satellites have been deployed into low Earth orbit, transforming what was once an intermittently disturbed sky into a...but because thousands of new satellites are flooding low Earth orbit (LEO), turning the night sky into a ...
