What it argues
Astrophysics for People in a Hurry is Neil deGrasse Tyson's deliberately compact introduction to the biggest ideas in modern astrophysics. Assembled from essays Tyson originally wrote for Natural History magazine, the book covers the Big Bang, dark matter, dark energy, the cosmic microwave background, the elements, light, and the periodic table, all in under 200 pages. The premise is explicit: not everyone has time for a 400-page cosmology survey, but everyone deserves to know how the universe works.
The book opens with the first second after the Big Bang — the sequence of phase transitions as the universe cooled from an unimaginably hot, dense initial state into the matter and energy configuration we can observe today. Tyson explains why the early universe was dominated by radiation, how protons and neutrons formed and then combined into the lightest nuclei, and how the universe became transparent to light about 380,000 years after the Big Bang, producing the cosmic microwave background radiation still detectable today.
What it gets right
- 1.
In the first second after the Big Bang, the universe underwent a sequence of phase transitions from pure energy to the fundamental particles that make up all matter today.
- 2.
The cosmic microwave background — the afterglow of the hot early universe, now cooled to 2.7 degrees above absolute zero — is the oldest observable signal in the cosmos and is one of the strongest pieces of evidence for the Big Bang.
- 3.
Normal matter — everything we can see and touch — makes up only about 5% of the universe. Dark matter (27%) and dark energy (68%) dominate but are completely unknown in nature.
What it covers
Who wrote it
Neil deGrasse Tyson is an American astrophysicist who directs the Hayden Planetarium at the American Museum of Natural History in New York. He is one of the most widely recognized science communicators in the United States, known for the StarTalk podcast and radio program, the television series Cosmos: A Spacetime Odyssey (2014), and numerous books including Death by Black Hole, Merlin's Tour of the Universe, and Letters from an Astrophysicist. He received his doctorate from Columbia University and has received numerous honorary degrees and public communication awards.