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Space has fascinated humanity for centuries – from the mystery of the stars to the groundbreaking discoveries that push the boundaries of our understanding.
Such a comparison was first proposed in 1930 by Richard C. Tolman as a test of whether the universe is expanding or static. It is a unique test of cosmology, as it is independent of dark energy, dark matter and Hubble constant parameters, testing purely for whether Cosmological Redshift is caused by an expanding universe or not. [1]
English: JWST early Universe observations and ΛCDM cosmology. Deep space observations of the JWST have revealed that the structure and masses of very early Universe galaxies at high redshifts (z ∼ 15), existing at ∼0.3 Gyr after the Big Bang, may be as evolved as the galaxies in existence for ∼ 10 Gyr.
Horizons: Exploring the Universe is an astronomy textbook that was written by Michael A. Seeds and Dana E. Backman. It is in its 14th edition (as of 2019 [update] ), and is used in some colleges as a guide book for introductory astronomy classes.
Space Atlas: Mapping the Universe and Beyond is a National Geographic book written by American physicist James S. Trefil, Robinson Professor of Physics at George Mason University in 2012. It is subdivided into three parts, including photography, star charts, and general information surrounding the Solar System , the Milky Way galaxy , and the ...
This book is a collection of essays and lectures written by Hawking, mainly about the makeup of black holes, and why they might be nodes from which other universes grow. . Hawking discusses black hole thermodynamics, special relativity, general relativity, and quantum mechan
The Universe for Beginners, republished as Introducing the Universe, is a 1993 graphic study guide to cosmology written by Felix Pirani and illustrated by Christine Roche.The volume, according to the publisher's website, "recounts the revolutions in physics and astronomy," from "Aristotle to Newton," and, "Einstein to Quantum Mechanics," "that underlie the present-day picture of the universe."
Whether our universe is ever-expanding depends on the amount and properties of matter, but there is too little visible matter around us to explain the behavior we can see—over 90% of the universe consists of the missing mass or dark matter, [8] which Krauss termed "the fifth essence."