num_pages: 257
description: Looks at the history of gravitational theories, discusses tides, planetary orbits, space-time, gravity waves, and black holes, and summarizes our current understanding of gravity
language: English
title: A Journey into Gravity and Spacetime
titlecomplete: A Journey into Gravity and Spacetime
genres: Science, Physics
ratings_count: 53
series: Scientific American Library Series
publisher: Scientific American Library