How Space Works shows you the different types of object in the Universe (so you'll know your pulsars from your quasars) and introduces you to some of the strangest and most wonderful things known to science, including dark matter particles and ancient white dwarf stars that are almost as old as the Universe itself.
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The clearest, most visual guide to space and the Universe for complete beginners to astronomy.
The clearest, most visual guide to space and the Universe for complete beginners to astronomy.Have you ever asked yourself how big the Universe is, how far it is to the nearest star, or what came before the Big Bang? Then this is the book for you. How Space Works shows you the different types of object in the Universe (so you'll know your pulsars from your quasars) and introduces you to some of the strangest and most wonderful things known to science, including dark matter particles and ancient white dwarf stars that are almost as old as the Universe itself.
The clearest, most visual guide to space and the Universe for complete beginners to astronomy.Have you ever asked yourself how big the Universe is, how far it is to the nearest star, or what came before the Big Bang? Then this is the book for you. How Space Works shows you the different types of object in the Universe (so you'll know your pulsars from your quasars) and introduces you to some of the strangest and most wonderful things known to science, including dark matter particles and ancient white dwarf stars that are almost as old as the Universe itself.The book starts with an explanation of our view of the Universe from Earth, then takes a tour of the Solar System, the stars and galaxies, and the furthest reaches of space. The last chapter looks at the technology we use to explore the Universe, from the International Space Station to Mars rovers and the new and revolutionary reusable rockets.
The clearest, most visual guide to space and the Universe for complete beginners to astronomy.Have you ever asked yourself how big the Universe is, how far it is to the nearest star, or what came before the Big Bang? Then this is the book for you. How Space Works shows you the different types of object in the Universe (so you'll know your pulsars from your quasars) and introduces you to some of the strangest and most wonderful things known to science, including dark matter particles and ancient white dwarf stars that are almost as old as the Universe itself.The book starts with an explanation of our view of the Universe from Earth, then takes a tour of the Solar System, the stars and galaxies, and the furthest reaches of space. The last chapter looks at the technology we use to explore the Universe, from the International Space Station to Mars rovers and the new and revolutionary reusable rockets.Illustrated with bold graphics and step-by-step artworks - and peppered with bite-sized factoids and question-and- answer features - this is the perfect introduction to astronomy and space exploration.
The universe (Latin: universus) is all of space and time[a] and their contents, including planets, stars, galaxies, and all other forms of matter and energy. The Big Bang theory is the prevailing cosmological description of the development of the universe. According to estimation of this theory, space and time emerged together 13.799±0.021 billion years ago, and the universe has been expanding ever since. While the spatial size of the entire universe is unknown, the cosmic inflation equation indicates that it must have a minimum diameter of 23 trillion light years, and it is possible to measure the size of the observable universe, which is approximately 93 billion light-years in diameter at the present day.