23 May 2018
First permanent extrasolar asteroid found near Jupiter
... same plane and in the same direction as the Sun’s rotation. However, it turns out that asteroids in polar orbits do exist today out beyond Neptune, our most distant planet. While there are only around ten of ...
October 2015
Copernicus, ESA’s most ambitious Earth Observation programme
...The ESA-EUMETSAT partnership was established in 1986 and was implemented with a series of geostationary (Meteosat) and polar orbiting (Metop) satellites, where ESA builds the satellites that are then operated by EUMETSAT. Collaborating with worldwide...
September 2017
Measuring space debris risk
... an operator were to launch a spacecraft with a nominal one square metre cross-sectional area body into an 800 km polar orbit, what would the likelihood be of the spacecraft becoming killed or maimed (permanent loss of capacity and/or mission design...
26 May 2017
First results from Juno mission
...field, this complex, turbulent world has Earth-sized polar cyclones and storm systems that reach deep into .... At the moment, Juno will be flying around Jupiter in a polar orbit where it remains at a reasonable distance from the planet. However once...
April 2018
Future Cubesat swarms pose significant communications challenges
... featuring GPS receivers with radio occultation. HiDEF was designed with 90 swarm spacecraft in low Earth polar orbits to monitor electric field and thermosphere density of the auroral Lower-Thermosphere-Ionosphere region [9]. The eLISA mission ...
April 2018
Climate monitoring and the need for open access to global environmental satellite data
... the 1990s, and USGS opened the Landsat archive for free, unrestricted access in 2008. Suomi National Polar-Orbiting Partnership (SNPPS) satellite. The open data movement was not limited to the United States, and neither...
