The Perseid meteors are basically cometary debris: tiny particles of dust and ice from the comet 109P/Swift-Tuttle. Although the comet approaches our planet only once every 133 years, we are able ...

Jessica Lee, astronomer at the Royal Observatory Greenwich, told MailOnline: 'A meteor shower is tiny pieces of cometary ...

Tens of thousands of years ago, a large comet broke up, creating a stream of cometary debris, a Facebook post from NASA Meteor Watch said. Every year, around this time, Earth spends a couple ...

We summarize four cometary science themes especially suited for this telescope and its instrumentation: the drivers of cometary activity, comet nucleus heterogeneity, water ice in comae and on ...