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Last month, a Texas-based company announced that it had successfully deployed the largest-ever commercial communications satellite in low-Earth orbit.
This BlueWalker 3 demonstration satellite measures nearly 65 square meters, or about one-third the size of a tennis court. Designed and developed by AST SpaceMobile, the expansive BlueWalker 3 satellite is intended to demonstrate the ability of standard mobile phones to directly connect to the Internet via satellite. Large satellites are necessary to connect to mobile devices without a ground-based antenna.
In this emerging field of direct-to-mobile connectivity, which seeks to provide Internet service beyond the reach of terrestrial cellular towers, AST is competing with Lync, another company that also has launched demonstration satellites. In addition, larger players such as Apple and a team at SpaceX and T-Mobile have announced their intent to provide direct connectivity services.
So while there are many more such satellites coming, AST stands out at this time because it's the first to launch an exceptionally large satellite, and it plans to start launching operational "BlueBird" satellites in late 2023.
Since BlueWalker3's launch in September, astronomers have been tracking the satellite, and their alarm was heightened following its antenna deployment last month. According to the International Astronomical Union, post-deployment measurements showed that BlueWalker 3 had an apparent visual magnitude of around 1 at its brightest, which is nearly as bright as Antares and Spica, the 15th and 16th brightest stars in the night sky.
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