Misra A. Astronomy 2021 torrent

Textbook in PDF format

Astronomy is written in clear non-technical language, with the occasional touch of humor and a wide range of clarifying illustrations. It has many analogies drawn from everyday life to help non-science majors appreciate, on their own terms, what our modern exploration of the universe is revealing. The book can be used for either a2
Preface
one-semester or two-semester introductory course (bear in mind, you can customize your version and include only those chapters or sections you will be teaching.) It is made available free of charge in electronic form (and low cost in printed form) to students around the world. If you have ever thrown up your hands in despair over the spiraling cost of astronomy textbooks, you owe your students a good look at this one.
Coverage and Scope
Astronomy was written, updated, and reviewed by a broad range of astronomers and astronomy educators in a strong community effort. It is designed to meet scope and sequence requirements of introductory astronomycourses nationwide.
Science and the Universe: A Brief Tour
Observing the Sky: The Birth of Astronomy
Orbits and Gravity
Earth, Moon, and Sky
Radiation and Spectra
Astronomical Instruments
Other Worlds: An Introduction to the Solar System
Earth as a Planet
Cratered Worlds
Earthlike Planets: Venus and Mars
The Giant Planets
Rings, Moons, and Pluto
Comets and Asteroids: Debris of the Solar System
Cosmic Samples and the Origin of the Solar System
The Sun: A Garden-Variety Star
The Sun: A Nuclear Powerhouse
Analyzing Starlight
The Stars: A Celestial Census
Celestial Distances
Between the Stars: Gas and Dust in Space
The Birth of Stars and the Discovery of Planets outside the Solar System
Stars from Adolescence to Old Age
The Death of Stars
Black Holes and Curved Spacetime
The Milky Way Galaxy
Galaxies
Active Galaxies, Quasars, and Supermassive Black Holes
The Evolution and Distribution of GalaxiesPreface
The Big Bang
Life in the Universe
How to Study for Your Introductory Astronomy Course
Astronomy Websites, Pictures, and Apps
Scientific Notation
Units Used in Science
Some Useful Constants for Astronomy
Physical and Orbital Data for the Planets
Selected Moons of the Planets
Upcoming Total Eclipses
The Nearest Stars, Brown Dwarfs, and White Dwarfs
The Brightest Twenty Stars
The Chemical Elements
The Constellations
Star Charts and Sky Event Resources
Currency and Accuracy
Astronomy has information and images from the New Horizons exploration of Pluto, the discovery of gravitational waves, the Rosetta Mission to Comet C-G, and many other recent projects in astronomy. The discussion of exoplanets has been updated with recent information—indicating not just individual examples, but trends in what sorts of planets seem to be most common. Black holes receive their own chapter, and the role of supermassive black holes in active galaxies and galaxy evolution is clearly explained. Chapters have been
reviewed by subject-matter experts for accuracy and currency