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Publisher's Summary

From the big bang to black holes, this fast-paced tour of time and space for the astro-curious unlocks the science of the stars to reveal fascinating theories, surprising discoveries, and ongoing mysteries in modern astronomy and astrophysics.

Before the big bang, time, space, and matter didn't exist. In the 14 billion years since, scientists have pointed their telescopes upward, peering outward in space and backward in time, developing and refining theories to explain the weird and wonderful phenomena they observed. 

Through these observations, we now understand concepts like the size of the universe (still expanding), the distance to the next-nearest star from earth (Alpha Centauri, 26 trillion miles) and what drives the formation of elements (nuclear fusion), planets and galaxies (gravity), and black holes (gravitational collapse). But are these cosmological questions definitively answered or is there more to discover?

Oxford University astrophysicist and popular YouTube personality Dr. Becky Smethurst presents everything you need to know about the universe in 10 accessible and engaging lessons. 

In Space at the Speed of Light: The History of 14 Billion Years for People Short on Time, she guides you through fundamental questions, both answered and unanswered, posed by space scientists. Why does gravity matter? How do we know the big bang happened? What is dark matter? Do aliens exist? Why is the sky dark at night? If you have ever looked up at night and wondered how it all works, you will find answers - and many more questions - in this pocket-sized tour of the universe!

©2020 Dr. Becky Smethurst (P)2020 Random House Audio

What listeners say about Space at the Speed of Light

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informative and well presented

I am a huge fan of books by astrophysicist cosmologist and anyone who's field of study is space I love when someone of that caliber can make me understand the goings on of the universe our solar system and what could lie beyond I love learning these things I love seeing New perspectives I love understanding these great big concepts and Dr Becky does a great job of breaking it down and I also am a huge fan of hers on YouTube she does a great job with your videos as well if you haven't found her on YouTube go find her and subscribe

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Dr. Becky is the best.

First of all, Dr. Becky is the most charming astrophysicist in the world, and you should check out her YouTube channel. As such, this book is a fantastic distillation of all her scientific wisdom and personal charisma. I love it.

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A must read in you physics list.

Dr. Becky is fun and an equal amung her peers. Her YouTube channel is awesome.

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If You Need a Crash Course in Modern Cosmology!

Dr. Smethurst is a treasure to modern cosmology! Her presentation is outstanding as she explains extraordinarily complex cosmological subjects with clarity and precision! So, those of you who thought she only knew about Black Holes - think again! Thoroughly enjoyable!

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Brilliant and Easy to Follow

This is a terrific book for anyone who wants to learn more about the universe and how we know what we know about it. Dr. Smethurst does a great job imparting knowledge without losing sight of science’s ever-changing nature. As an astrophysicist, she also brings to the table a level of reverence toward the natural world which I seldom see outside of her field.

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great book, great voice

The book is full of great information and the author is very pleasant to listen to.

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Infinitely fun and educational

This book is for anyone who has a mind and wants to continue to fill it with fascinating information through a most enjoyable presentation.

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A worthy read

Excellent, relatable, easy to understand performance!

The only improvement that I would make is for it to be two or three times longer.

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Dr Becky is amazing

Such a fun an interesting listen. If she releases more I'll be buying those too.

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Go Dr Becky!

Good read, good reading, good job!

I thoroughly enjoyed the whole bit. when's your next, Dear?