Slide 1Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Table of Contents Section 1 Stars Section 2 The Life Cycle of Stars Section…

Slide 1Reviewing some of the concepts covered in class this year Slide 2 The Nature of Science Slide 3 ____ 1. Suggested explanation for an observationa. independent variable…

1.Astronomy Ch. 05: Stellar Evolution Sirius is a main sequence star with a small, white dwarf companion as displayed in this HST photo 2. Stellar Evolution The changes…

1.Star:  Ball of gases that gives off a tremendous amount of electromagnetic energy created by nuclear fusion within the star 2. Analyzing Starlight: a) The composition/temperature…

1.Science Daily Starter April 27, 2008 Label page Creative Writing Label page Daily Starters April 28-May 2 Your daily starter is to come….. 2. Science Daily Starter April…

1.Stars2. What is a star? The objects that heat and light the planets in a system A star is a ball of plasma held together by its own gravity Nuclear reactions occur in stars…

1.Life Cycle of Stars2. I. Interstellar Medium II. Nebula III. Protostar IV. Main Sequence V. Red Giant VI. Supernova V. White Dwarf 3.   4. _____________ _____________…

1.Life Cycle of Stars2. I. Interstellar Medium II. Nebula III. Protostar IV. Main Sequence V. Red Giant VI. Supernova V. White Dwarf 3.   4. _____________ _____________…

1.NEBULA _____________: A dense cloud of gas and dust2. gravity The nebula begins to contract due to __________ and the pressure PROTOSTAR and temperature increase and becomes…

1. Chapter 21- Stars Why will (or won’t) our sun become a black hole? 2.   3. I. Formation of starsA. Stars form in cold, dark clouds of gas and dust ( nebulae ), covering…