October 2017
Saving geostationary orbit
... placed in GEO. In the future, such monitoring missions may help to provide warning of extreme space weather events generated by the Sun. Debris problem Fifty years of GEO operations has resulted in the presence of multiple defunct satellites and...
February 2020
Aeroshells – from LEO to Mars
... 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 research and development group, a Japan-based...
July 2014
Beware the situation: how JSpOC tracks space debris
... in orbit in 1957, thousands of spacecraft, their associated transportation systems (spent rocket stages) and other related debris have entered the space domain. While many of these objects have either transited out of Earth orbit or re-entered Earth...
April 2020
Satellite mega-constellations pose threat to ground-based astronomy
... Earth, only 2300 of which are functioning satellites. The remainder constitute the population normally known as space debris or space junk, a swarm of objects comprising anything from abandoned satellites and rocket upper stages to fragments from...
January 2019
Saving humanity – is space up to the job?
... way all of the very real threats that come to our planet from space - orbital space debris, issues related to changes to the geomagnetosphere, threats from space weather (i.e. CMEs, solar radiation flares, and depletion of the ozone layer), all...
17 December 2019
Earth’s doomsday scenario
... doomsday scenarios and proposes that a new international legal order for outer space should also recognise that reckless and intentional creation of space debris is “a crime against humanity”. Prof Jakhu’s article is one of six published in this...
