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The Trouble with Gravity

The Trouble with Gravity is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand The Trouble with Gravity rather than just read about it. In short: The Trouble with Gravity: Solving the Mystery Beneath Our Feet is a nonfiction popular science book by Richard Panek and published by Houghton Mifflin Harcourt on July 9, 2019. Content The book begins its first chapter by discussing ancient history and old beliefs regarding gravity and what lies above.

The Trouble with Gravity — main illustration
The Trouble with Gravity — illustration

Key takeaways

  • The Trouble with Gravity belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect The Trouble with Gravity to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of The Trouble with Gravity from memory before moving on to harder problems.

Reference excerpt

The Trouble with Gravity: Solving the Mystery Beneath Our Feet is a nonfiction popular science book by Richard Panek and published by Houghton Mifflin Harcourt on July 9, 2019.

Content The book begins its first chapter by discussing ancient history and old beliefs regarding gravity and what lies above. This includes a discussion of belief in gods and how those religious views were shaped by the existence of gravity and its prevalence on living beings and all matter. The topics of Mount Olympus and stories among Aboriginal cultures in Australia are discussed in how the sky is believed to be separate from the earth and creates a separation between humans and the divine. The book points out that gravity was often seen in such context as something that only affects people on Earth and not as a universal force. Authors and those more on the philosophical end of the topic are also considered, including Dante Alighieri and Ernst Mach. The second chapter investigates how gravity formed from the beginning of the universe and also how the Big Bang may have created a large number of parallel universes and that gravity is not sourced in our universe, but is leaking through spacetime into ours. Then, Panek moves on to human history and how the motion of gravity was first discovered, identifying the revolution that Isaac Newton's theories on gravity had on the general public. A series of other scientists and their chronological discoveries about gravity are delved into, including John Philoponus, Nicolaus Copernicus, Galileo Galilei, Albert Einstein, and Werner Heisenberg.

Style and tone Publishers Weekly noted that the book's "inquisitive, fine-tuned narrative is full of character" and that it departs from other science books on similar topics by having a "friendly casualness of a coffee-shop chat". The heavy topics and complex science investigated in the book have the potential to bog down the reader, Undark Magazine writer Dan Falk pointed out, but Panek's writing style manages to deliver the topic with "humility and humor".

Critical reception Kirkus Reviews calls The Trouble With Gravity a "useful primer on a force that still inspires mystery" and that, despite philosophical shortcomings that some may have, others will "enjoy Panek’s expert description" on the complex field of study. Clara Moskowitz for Scientific American writes that this "beautiful and philosophical investigation of nature’s weakest force" will help provide insights to readers, despite not being able to answer the fundamental question regarding gravity. Library Journal reviewer Sara R. Tompson calls it "one of the best of the postgravitational-waves-discovery physics books" and that all readers would find the text accessible. Shelf Awareness calls the book's glimpse into the mysteries of gravity "thought-provoking" and that while any definitive answers may not be forthcoming, The Trouble With Gravity still gives "much to contemplate".

References

Further reading Christensen B (June 2019). "Science Reviews: The Trouble with Gravity". Booklist. 115 (19/20): 10. Retrieved December 12, 2020. "Bookshelf: The Trouble With Gravity". Science News. 196 (2): 28. August 3, 2019. Retrieved December 12, 2020.

Worked examples

Example 1 — a first encounter with The Trouble with Gravity

Start with the simplest possible case. Write down what The Trouble with Gravity claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to The Trouble with Gravity before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about The Trouble with Gravity ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of The Trouble with Gravity

In research
The Trouble with Gravity appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses The Trouble with Gravity in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
The Trouble with Gravity is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2019 non-fiction books, Astronomy books, Cosmology books, so understanding it makes those chapters shorter.
In everyday life
Look for The Trouble with Gravity outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study The Trouble with Gravity in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what The Trouble with Gravity means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain The Trouble with Gravity out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is The Trouble with Gravity in simple terms?

The Trouble with Gravity: Solving the Mystery Beneath Our Feet is a nonfiction popular science book by Richard Panek and published by Houghton Mifflin Harcourt on July 9, 2019. Content The book begins its first chapter by discussing ancient history and old beliefs regarding gravity and what lies ab…

Why does The Trouble with Gravity matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study The Trouble with Gravity?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on The Trouble with Gravity.

Tags

  • 2019 non-fiction books
  • Astronomy books
  • Cosmology books
  • Gravity
  • Houghton Mifflin books
  • Popular physics books
  • Popular science books

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