Space Junk Solution? Japan Would Use a Tether to Nab Debris & Destroy It
The Japanese space agency will soon be testing a new technology that would use a roughly half-mile-long tether to grab large pieces of...
Curiosity's Most Incredible Mars Snapshots of 2016
Since August 2012, NASA's Curiosity rover has been carving a path across the Martian surface, trying to understand more about the...
FAILED EUROPEAN MARS LANDER
Sadly not all the efforts of space exploration this year were triumphs. Once again, Mars proved a tricky beast for Europe’s space...
OBSERVABLE UNIVERSE IS 10 TIMES BIGGER THAN WE THOUGHT
There are at least two trillion galaxies — 10 times more than scientists thought — that exist within the observable universe. And we...
NEW EVIDENCE FOR THE ELUSIVE PLANET 9
This year provided the most compelling evidence yet that our solar system may have a ninth planet, about 10 times the mass of Earth,...
SUCCESSFUL FINAL PHASE OF JUPITER MISSION
“Welcome to Jupiter.” Those were the words that ushered in a mixture of relief and celebration for NASA scientists in July as they...
CONFIRMATION OF A NEARBY HABITABLE PLANET
IT’S been an incredibly busy year in space exploration full of amazing discoveries, the capturing of unprecedented imagery, the emergence...
Power Subsystem:
In communication satellites, taking from the solar cells the power subsystems provides the electrical energy required to run the...
Telemetry, Tracking, Command Monitoring Sub-system (TTC & M)
Telemetry System TTC&M subsystems are located partly on satellite and partly on earth station. The telemetry link sends the data about...
Orbital Control System (OCS)
A GEO stationary satellite is subjected to various forces which tend to pull the satellite from its correct orbit. The orbit control...