An illustration of the exoplanet known as VHS 1256 b.NASA, ESA, CSA, Joseph Olmsted (STScI) NASA's James Webb Space Telescope found sand storms on a planet hundreds of trillions of miles away. Clouds on the "super Jupiter" planet are made up of scorching hot, tiny sand-like particles. One of Webb's greatest powers is its ability to see the contents of an alien atmosphere, based on light alone. NASA's James Webb Space Telescope has proven just how powerful it is with its latest discovery: sand storms swirling on a planet 40 light-years from Earth, or about 235 trillion miles away.One of Webb's greatest powers is its ability to decipher what's going on in alien atmospheres.