"Let us journey, with beloved physicist Carlo Rovelli, into the heart of a black hole. We slip beyond its horizon and tumble down this crack in the universe. As we plunge, we see geometry fold. Time and space pull and stretch. And finally, at the black hole's core, space and time dissolve, and a white hole is born. Rovelli has dedicated his career to uniting the time-warping ideas of general relativity and the perplexing uncertainties of quantum mechanics....

Each short essay is accompanied by an image or a clear diagram to help unravel complex ideas. Beginning with the constellations and finishing with the latest cosmological theories, this is the perfect reference guide to this fascinating subject. Contents include: The celestial sphere, Piscis Austrinus, the Earth-Moon system, Io and Ganymede, Kuiper Belt Objects, Measuring stellar properties, Nuclear fusion, Red and orange dwarfs, Open star clusters,...

Provides children ages six through nine with information about the stars, planets, nebulae, comets, meteors, moon, constellations, and classic myths through an investigation of one small square of night sky near Orion; and includes experiments and activities, sky maps, and a resource list.

"From planets and stars to constellations and meteor showers, readers will discover the amazing sights that can be seen in our night sky in this stellar Level 1 Ready-to-Read"--

Presents an introduction to what we know about the universe in which we live and describes how we have gathered this information.

"2024 Night Sky Almanac is the ideal resource for both novice and experienced sky watchers in the United States and Canada, with all the advice, information and data that enthusiasts need to understand and enjoy the wonders of the night sky. This in-depth guide first introduces readers to the objects in the sky--from stars, to comets, to globular clusters--and then takes them through the cosmic events to look out for each month in 2024, with sky maps,...