Transcription: Good evening. We are now coming up to the best part of the Perseid meteor stream, and between now and the middle of August we're certainly going to see a large number of meteors or shooting stars. But first of all, what do you exactly are they? Well, a shooting star certainly isn't a star. It's a tiny particle going around the Sun in the same way that we do. And so long as it stays pure of us, we can't see it. It's too small and too faint. But if it dashes into the top part of the Earth's air, it rubs against the air particles and becomes so hot that it burns away in the street of light that w ...
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