Introduction
A History of Astrophysics
The Glassmaker Who Sparked Astrophysics
Astronomy
The rise of astrophysics
Spectroscopy
Survey of Optical Spectroscopy
General methods of spectroscopy
Types of electromagnetic-radiation sources
Foundations of Atomic Spectra
Astrophysics
Gravity's Shadow: The Hunt for Omega
The Texture of The Universe
The Big Bang Picture of The Universe
Basic Measurements in Space
Quasar Studies Provide A Model
Dark Matter Seen Through the Lens Of Gravity
Gravity's Role as a Lens and a Cosmological Force
Star Facts: The Basics of Star Names and Stellar Evolution
Binary stars and other multiples
The Formation of Stars
Galaxy-Size Bubbles Discovered Towering Over the Milky Way
Astronomers Get Their Wish, and a Cosmic Crisis Gets Worse
The New History of the Milky Way
Physicists Pin Down Nuclear Reaction From Moments After the Big Bang
The Cosmologist Who Dreams in the Universe’s Dark Threads
Debate Erupts Over How ‘Forbidden’ Black Holes Grow
Physics Nobel Awarded for Black Hole Breakthroughs
Physicists Argue That Black Holes from the Big Bang Could Be the Dark Matter
A New Cosmic Tension: The Universe Might Be Too Thin