India, Oct. 2 -- Berlin (dpa) - Six billion tonnes per second - that's the rate at which the planet Cha 1107-7626 eats up gas and dust from its surroundings, based on measurements from August 2025. Put simply, this planet grows by about 1,000 times the mass of the Pyramids of Giza every second. That makes it the fastest-growing planet ever documented, according to the European Southern Observatory (ESO). Cha 1107-7626 is a so-called rogue planet, meaning that unlike the planets in our solar system, it does not orbit a star but drifts freely through space. Observations using ESO's Very Large Telescope (VLT) in Chile allowed scientists to document its enormous appetite. According to a research team led by Victor Almendros-Abad from the Astron...