Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune – these are the eight planets that orbit our Sun. But how many planets and stars are there out there? The next planetary system is Proxima Centauri. About 4 light years away. Both planetary systems are part of the Milky Way. A gigantic galaxy with a diameter of over 100,000 light years. Even with the absolute physical maximum speed, a journey through the Milky Way would take 100,000 y…
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Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune – these are the eight planets that orbit our Sun. But how many planets and stars are there out there? The next planetary system is Proxima Centauri. About 4 light years away. Both planetary systems are part of the Milky Way. A gigantic galaxy with a diameter of over 100,000 light years. Even with the absolute physical maximum speed, a journey through the Milky Way would take 100,000 y…