Viruses called phages attacking bacteria. Scenes like this are playing out within the ecosystem of your body even now.
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The Voyager 1, built by Nasa and launched in 1977 has spent the last 35 years steadily increasing its distance from Earth, and is now now 17,970,000,000km - or 11,100,000,000miles - away, travelling at 10km a second.
Satellite: These images were taken by the Japanese-owned Hinode telescope which is constantly pointed at the sun