Catalog Search Results
Author
Description
"What is a black hole? What is dark matter and what is it made of? How do scientists discover black holes and dark matter if they can't be seen? What do scientists know about these mysterious parts of the universe and what do they still hope to find out? Budding astronomers will learn the answers to these questions and more!"--
Author
Description
Despite the steady avalanche of scientific discovery, scientists still only understand 4% of the mass that makes up the universe. A science journalist documents the recent efforts to explain the ninety-six percent of the universe not comprised of known matter, drawing on interviews with leading figures to describe the rivalries, collaborations, and discoveries that are redefining current understandings. .
Author
Description
"If existing models of the structure of the universe are correct, then 85 percent of the cosmos comprises a substance called dark matter. Yet no direct evidence of dark matter exists. Award-winning science journalist Govert Schilling details the quest to detect dark matter and how the search has helped us to understand the universe we inhabit"--
Description
The latest advances in cosmological thought presented by one of today's most renowned scientists. Program three features the development of the various materials from which matter is created. Program four covers the discovery of "dark matter" which fills the space between stars and galaxies.
Description
Dr. Carroll explains the subject of dark matter and dark energy in 24 lectures. He explains why scientists believe we live in a smooth, expanding universe that originated in a hot, dense state called the Big Bang. He describes the features of the infant universe that led to the large-scale structure we observe today. He takes you through the standard model of particle physics and shows how it provides the framework for understanding the interaction...