Infiltrating the politics of the national space policy are a variety of space advocacy coalitions that apply pressure on policymakers in many different directions.
IKONOS was a commercial Earth observation satellite that was launched in September 1999. It operated for almost 16 years until its decommissioning in March 2015.
The Solar TErrestrial RElations Observatory (STEREO) consists of two identical spacecraft which NASA launched in 2006 into two different heliocentric orbits
Taken on the evening of September 10 this year, this week’s image features the Great Hercules Star Cluster.