Experts have revealed the best time to watch celestial fireworks over Kent tonight, during which people could see up to 100 meteors every hour. If the skies are clear, the peak of the Perseid meteor shower should be visible across the county from around sunset tonight until the early hours of tomorrow. But for the best view, stargazers are told to wait until after 11.30 pm, when the night sky is at its darkest. The event is associated with the dusty debris left by Comet Swift-Tuttle, which orbits the sun once every 133 years. The meteoroids from the comet, mostly no bigger than a grain of sand…