Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Chapter 8, Lesson 4, 2nd Packet, pdf
Document related concepts
International Ultraviolet Explorer wikipedia , lookup
Astronomical unit wikipedia , lookup
Aries (constellation) wikipedia , lookup
Chinese astronomy wikipedia , lookup
Formation and evolution of the Solar System wikipedia , lookup
Canis Minor wikipedia , lookup
History of Solar System formation and evolution hypotheses wikipedia , lookup
Auriga (constellation) wikipedia , lookup
Corona Borealis wikipedia , lookup
Tropical year wikipedia , lookup
History of astronomy wikipedia , lookup
Dialogue Concerning the Two Chief World Systems wikipedia , lookup
Corona Australis wikipedia , lookup
Constellation wikipedia , lookup
Observational astronomy wikipedia , lookup
Cosmic distance ladder wikipedia , lookup
Stellar classification wikipedia , lookup
H II region wikipedia , lookup
Cassiopeia (constellation) wikipedia , lookup
Cygnus (constellation) wikipedia , lookup
Canis Major wikipedia , lookup
Star catalogue wikipedia , lookup
Perseus (constellation) wikipedia , lookup
Astronomical spectroscopy wikipedia , lookup
Aquarius (constellation) wikipedia , lookup
Stellar evolution wikipedia , lookup
Star formation wikipedia , lookup
Stellar kinematics wikipedia , lookup
Transcript
Chapter 8, Astronomy Lesson 4, Stars Objectives __________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Main Idea __________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Vocabulary star ________________________________________________________________ _______________________________________________________________ constellation ________________________________________________________ _______________________________________________________________ parallax ____________________________________________________________ _______________________________________________________________ light-year ___________________________________________________________ _______________________________________________________________ nebula _____________________________________________________________ _______________________________________________________________ supernova __________________________________________________________ _______________________________________________________________ black hole ___________________________________________________________ _______________________________________________________________ What are stars? How might you find a certain star in the night sky? __________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ How are stars grouped together and classified? ____________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Finding the Distance to a Star About how long is a light-year? _________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Can anyone on Earth say for sure that the star Rigel did not explode four years ago? Why or why not? ________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Quick Check Compare and Contrast How are the constellations alike? How are they different? ___________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Critical Thinking It takes sunlight about 8 minutes to reach Earth. Is the Sun more than or less than a light-year away? Explain. _____________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ What are some properties of stars? Do all stars share the same properties as the Sun? __________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Will the Sun always have the same properties? Explain. ______________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Brightness and Temperature Read a Diagram The H-R Diagram What type of star has a temperature of 3,000 K and a luminosity of 103? ________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Quick Check Compare and Contrast How are absolute magnitude and apparent magnitude similar? ________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Critical Thinking What are three properties that all stars have and how do they relate to one another? ___________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ How do stars develop? In what ways do stars differ from one another? ____________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ What is the main factor in determining how a star goes through its life cycle? ____ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Protostars Main-Sequence Stars Red Giants and Supergiants Final Stages All stars are formed and develop the same way, up until what point? ___________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Into how many groups can you divide stars, based in their mass? ______________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Quick Check Compare and Contrast Compare the development of a less-massive star with that of a more-massive star. ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Critical Thinking Why will the Sun not become a black hole someday? ________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ What kind of star is the Sun? In what stage of its life cycle is the Sun? __________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ What will happen to the Sun next? _______________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Read a Diagram The Sun What are the layers of the Sun, beginning in the interior and moving outward? ___ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Quick Check Compare and Contrast How is the Sun like other stars? _________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Critical Thinking Do you think the Sun is less massive or more massive than other stars? Why? ____ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________
