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NASA Astronaut Group 23 (nicknamed The Flies) was announced on December 6, 2021, with the class reporting for duty some time in 2022. Twelve astronaut...

Secondary payload, also known as rideshare payload, is a smaller-sized payload transported to orbit on a launch vehicle that is mostly paid for—and with...

Yenisei (Russian: Енисей), project name RN STK-1 (Raketa-Nositel' SverkhTyazhologo Klassa - Carrier rocket super-heavy class), was the first super-heavy...

The Synchronized Position Hold Engage and Reorient Experimental Satellite (SPHERES) are a series of miniaturized satellites developed by MIT's Space Systems...

Energia-100 (Russian: Энергия-100) is a planned geostationary communications satellite built by the Russian company RSC Energia for its subsidiary Energia-Telecom...