Slide 1Our Place in the Cosmos Lecture 11 Understanding Stars - the H-R Diagram Slide 2 Understanding Stars We saw in the last lecture that by measuring the brightness, distance…
PHYSICS REVISION THE ORIGIN OF THE CHEMICAL ELEMENTS STELLAR LIFE CYCLES For most of the life of a star it is in a stable state in which the inward force of gravity is balanced…
Slide 1Cosmology, Galaxies, and Stars OUR VISIBLE UNIVERSE Slide 2 Cosmology Cosmology is the study of the universe; its nature, origin and evolution. General Relativity…
Slide 1 Slide 2 Your Cosmic Connection to the Elements James Lochner (USRA) & Suzanne Pleau Kinnison (AESP), NASA/GSFC Slide 3 Elementary Connections Slide 4 The Big…
Slide 1 Chapter 26 Part 1 of Section 2: Evolution of Stars Slide 2 How Do Stars Form? Formation begins with condensation of a large cloud of cold gas, ice, and dust called…
Slide 1 8/6/2015 Stars Characteristics Slide 2 What are the characteristics of a star? Stars differ in… Stars differ in…MassSizeTemperatureColorLuminosity *Stars can…
Slide 1 Stellar evolution is driven entirely by the never ending battle between pressure and gravity. As imbalances are reached, the star is driven to find a new energy source.…
Slide 1 Exploring the Universe Slide 2 I.) Properties of Stars A. A. Color and Temperature 1.A star’s color indicates that temperature of its surface a. a. Hottest stars…
Gravity, Stars and Planets Interstellar cloud where star & solar system formation occurs. Galaxy containing BILLIONS of stars! ONE giant star exploding! Supernova example…
Your Cosmic Connection to the Elements James Lochner (USRA) & Suzanne Pleau Kinnison (AESP), NASA/GSFC Elementary Connections The Big Bang The Big Bang Cosmology The…