65 books like Near-Earth Objects

OK, maybe it’s funny to recommend a book that sold in the millions. But this, and the TV series that went along with it, remains the best explanation of the evolution of astronomy and, especially, the social context for that evolution. Carl Sagan is by far the best science popularizer of the past century.

The search for life outside the Earth is NASA’s greatest quest, and this book will bring you up to speed on it. Just a few decades ago, scientists thought life arose on the Earth in shallow seas, warmed by the early sun and zapped by energy-producing lightning. The best place to look for alien life was on Mars, where bacterial life may have formed in the shallow pools that covered the young Mars, and then hunkered down in subsurface spots of Martian water and ice as these pools evaporated. Scientists now suspect life arose in warm vents deep in the Earth’s ocean. Subsurface oceans in the moons of the outer Solar System may contain similar vents that serve as breeding grounds for primitive life. Kevin Hand describes NASA’s current missions and instruments to find this life in alien oceans.

Imagine for a moment that we found life on Mars.

That discovery would shake our world, change our outlook on the universe, and answer the question of whether we’re alone.

Sarah Stewart Johnson, a planetary scientist, has spent her life thinking about this possibility and delves into both her and our obsession with the Red Planet in this beautifully written book. Part memoir, part historical account, and part scientific exploration, this book made me want to ditch a career in journalism and take up astrobiology. You’ll never look at Mars the same way again. 

There can be no question greater than “Is there life outside the Earth?”. Sara Seager places her own search for planets outside the Earth - almost 5000 planets in other solar systems have been discovered in the past three decades, including Earth-like bodies - against her own life story and struggles as a scientist weathering the unexpected loss of a spouse and the raising of her two young sons. Astronomers estimate there are billions of undiscovered planets just in our Galaxy. Seager paints our very own Earth as a bright point of community and connection in the vastness of space as she gives a first-person account of the technical challenges of seeking other planets and life elsewhere.

This book is about asteroid hunters, written by an asteroid hunter – and she clearly loves her work. Nugent is an assistant professor of computational physics and planetary science at Olin College and worked on NASA’s Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE), which discovered hundreds of Potential Hazardous Objects – asteroids and comets – that could someday threaten Earth. You don’t have to be a scientist to enjoy this book. Nugent patiently walks us through the process of finding and tracking potentially dangerous space rocks with skill and passion for her subject.

This book is an entertaining look at the history of mankind’s knowledge about asteroids, which began in 1801 with the discovery of the 600-mile wide asteroid Ceres. Today more than half a million asteroids in our Solar System have been identified, while billions more (mostly small ones) are still waiting to be discovered. The vast majority pose no threat to Earth, but they are fascinating anyway. There are asteroids shaped like giant dog bones, asteroids that resemble human skulls, asteroids that have smaller asteroids orbiting around them as they orbit around the sun. Peebles’ book tells you everything you need to know about these space rocks – and more things that you’ll want to know. A thoroughly enjoyable book.

This book is the story of the biggest collision of space objects mankind has ever seen – literally – told by the man who saw it coming. In 1993 Levy was working with astronomers Carolyn and Eugene Shoemaker at a mountain-top observatory in California when they spotted a comet that had been captured by Jupiter’s enormous gravity and sucked into orbit around the Solar System’s biggest planet. Levy and the Shoemakers predicted that pieces of the comet would soon strike Jupiter’s surface with almost unimaginable force – which prompted skepticism among some astronomers. But sure enough, in 1994 the comet fragments hit Jupiter’s surface with the collective force of a 50 million megaton bomb – thousands of times the energy of all the nuclear weapons on Earth. The event made us realize that if it could happen to Jupiter, it could happen to Earth – and that we’d better take… show more.

Nothing was more counter-intuitive to me than mining the sky. Surely, space is a void, I thought. John Lewis put me right. He convinced me–that there are huge resources out in the void that dwarf Earth’s supplies. Our future could well lie among them.

But will it be soon or centuries from now? I reckon soon.

The oldest book on the list, Lucifer’s Hammer seems to be an end-of-the-world tale. And it is to a degree: the world is forever altered after a comet enters the earth’s atmosphere and breaks apart, the huge pieces slamming into the West Coast.

It’s the aftermath, though, where things get interesting. How do people survive? How much of their humanity survives with them? This is the story Niven and Pournelle tell, with a level of realism that echoes people’s attitudes and actions witnessed during the COVID pandemic.

With a clash between rival forces leading to a showdown that dictates the survivors’ future, Lucifer’s Hammer has continued to resonate with me years after reading it.

I love this book because it shows that, even in the face of existential demise, humans cannot set aside their differences so easily.

You’d think that, with a comet headed toward Earth causing certain destruction, interpersonal conflicts would take a backseat. But humans are still humans—we still always want to think we’re right, we still have pride, and we still have interests that, although similar to one another, are not exactly the same. It’s self-published, like my own.