Observation satellites

GRATTIS will demonstrate the performance of advanced sensors that measure nanometer-scale gravitational changes from space to track movements on Earth's surface and interior
The satellite began its mission in space and transmitted first data to the ground station. The DS-SAR radar observation satellite will be used for government and commercial purposes; by the Singapore government and a private company
The launch was tonight from the Palmachim air force base. 'Ofek 13' is a radar-based observation satellite and it will be able to provide photographs in any weather day and night * According to the original launch plan, the satellite entered
If the Russian government is able to build the laser, it will be able to protect a large part of the country from observation by satellites with optical sensors. Technology also sets the stage for the more threatening possibility