Contains 250 questions and answers about astronomy, particular for the amateur astronomer.

This book gives simple yet rigorous answers to hundreds of astronomical questions, for anyone who has ever wondered about the cosmos.

Are we alone in the Universe? Was there anything before the Big Bang? Are there other universes? What makes stars shine? Where does Earth's water come from? Why is the night sky dark? Was there ever life on Mars? How do telescopes work? This engaging guide book answers all these questions and hundreds more, making it a practical reference for anyone who has ever wondered what is out in the cosmos, where it all comes from, and how it all works. Richly illustrated in color throughout, it gives simple yet rigorous explanations in non-technical language, summarizing current astronomical knowledge, without overlooking the important underlying scientific principles. This second edition includes substantial new material throughout, including the latest findings from the New Horizons, Rosetta, and Dawn space missions, and images from professional telescopes such as the Hubble Space Telescope and the Atacama Large Millimeter Array.

This book answers the intriguing questions on space, time and Universe. Such as- Question 1: It's been proved that Universe is expanding, so does that mean that atoms, cells, people, stars and everything in this universe is getting bigger and bigger? Question 2: Will Wormhole travel ever be possible? Question 3: What is parallel Universes and the many-worlds theory? Question 4: Is it true to say that universe is expanding faster than speed of light? Question 5: How old are the atoms in my body? Did they travelled from distant galaxies or from different planet? Question 6: Can artificial black hole be created in laboratory conditions? If so, how small the black hole could be made? Question 7: What is empty space in Universe is really like? Question 8: How Earth would have been, if it didn't turn? Question 9: Are there any new states of matter in universe at ultrahigh temperatures and densities?

Celebrating the 55th anniversary of The Sky at Night, this book collects and answers questions sent in by viewers. With sections on the solar system, the bizarre and unexplained, space missions, and more, this is an exciting journey into space for the novice astronomer and the lifelong stargazer alike. Discover how scientists work out the gravity of planets, what the 'Great Attractor' is and the basic principles of space navigation. Learn how to start observing the sky, what event inspired Patrick Moore to take up astronomy, and just how many of his cats are named after celestial bodies. From comets to black holes and Orion to eclipses, The Sky at Night is the ultimate introduction to the wonders and mysteries of the universe.