NASA photographed the Chinese landing site on January 30 with a moon-circling spacecraft called the Lunar Reconnaissance Orbiter. Researchers published the new picture (below) on the agency's LRO ...

They now have proof one exists. In 2010, NASA's Lunar Reconnaissance Orbiter, a satellite orbiting the moon, captured imagery of an intriguing pit on the moon's surface, in the same region where ...

In this paper, we propose an effective communication system architecture based on chirp modulation for LEO satellite IoT with reference to LoRa system. Our approach introduces an improved chirp ...