Dr. John McKean Guest Lecture
|Waar:||University College Groningen|
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Our Universe is 13.7 billion years old and contains a rich tapestry of planets, stars, and galaxies that make up the night sky. In this lecture, we will take a walk through our Universe, using beautiful images and measurements that astronomers have made with cameras both here on Earth and on spacecraft travelling through the cosmos. We will start in our local neighbourhood, the Solar System, exploring the moons and planets that are closest to us. Next, we will travel to the nearest star, and beyond, to see our place within our Galaxy, the Milky Way. But, our Galaxy is just one of billions throughout the cosmos, and we will see how all these different galaxies are distributed and evolve. We will see that they are clustered, and that this clustering is due to the presence of an un-seen dark matter that dominates how structure forms over cosmic time. Finally, we will return to our own Galaxy and search for the super massive black hole that astronomers believe is located at its centre. On our way back to Earth we can stop by some of the planets again to see Saturns rings, or water on Mars, or the deep craters of our own Moon.