When Stars Blow Up
... degenerate •When the temperature reaches a few MK, fusion begins •Degenerate fusion is a runaway. •All the H fuses to He and heavier elements in a soundcrossing time (a few minutes) •The star increases in brightness ~ 10,000 times •Most of the matter is ejected ...
... degenerate •When the temperature reaches a few MK, fusion begins •Degenerate fusion is a runaway. •All the H fuses to He and heavier elements in a soundcrossing time (a few minutes) •The star increases in brightness ~ 10,000 times •Most of the matter is ejected ...
Chapter 30.1
... Circumpolar: stars that never go below the horizon. (Circling stars). Different stars become visible during different seasons. Three actual motions: ...
... Circumpolar: stars that never go below the horizon. (Circling stars). Different stars become visible during different seasons. Three actual motions: ...
Vocabulary Review
... gravity to the point that the electrons and protons have smashed together to form neutrons ...
... gravity to the point that the electrons and protons have smashed together to form neutrons ...
Slide 1
... • Size can be small, medium or massive • Binary Stars: when two stars orbit around each other • Stars of equal mass have their center of mass in the middle ...
... • Size can be small, medium or massive • Binary Stars: when two stars orbit around each other • Stars of equal mass have their center of mass in the middle ...
Constellations
... Imagine you are standing at the North Pole and see a star directly overhead. Where do you think the star would be if you were standing at the equator? ...
... Imagine you are standing at the North Pole and see a star directly overhead. Where do you think the star would be if you were standing at the equator? ...
chap17_f03_phints
... A star is determined to have a surface temperature twice that of the Sun, and a luminosity 64X greater. What is this star’s radius, expressed in solar units ? HINT: Problem 4 is an application of the radius – luminosity – temperature relation for stars. Given two of these values, the third is found ...
... A star is determined to have a surface temperature twice that of the Sun, and a luminosity 64X greater. What is this star’s radius, expressed in solar units ? HINT: Problem 4 is an application of the radius – luminosity – temperature relation for stars. Given two of these values, the third is found ...
chapter 18
... Astronomers measure stellar distances in three different units. The smallest of these is a) the light-year. b) the absolute magnitude. c) the astronomical unit. d) the parsec. ...
... Astronomers measure stellar distances in three different units. The smallest of these is a) the light-year. b) the absolute magnitude. c) the astronomical unit. d) the parsec. ...
Hertzsprung - Russel Diagram
... Most stars belong to which category: _______________________________________ Which star is the brightest white dwarf? _______________________________________ Which star is hottest supergiant? _______________________________________ ...
... Most stars belong to which category: _______________________________________ Which star is the brightest white dwarf? _______________________________________ Which star is hottest supergiant? _______________________________________ ...
tire
... 4. The bending of light from a distance star or galaxy by the gravity of a closer star, galaxy or galaxy cluster. 5. Large black holes found at the center of most galaxies. 6. The oscillations of space caused the rapid movement of matter, such as a supernova or orbiting black holes. 7. An object who ...
... 4. The bending of light from a distance star or galaxy by the gravity of a closer star, galaxy or galaxy cluster. 5. Large black holes found at the center of most galaxies. 6. The oscillations of space caused the rapid movement of matter, such as a supernova or orbiting black holes. 7. An object who ...
The Hot-plate Model of a Star Model of Stars— 3 Oct
... hot-plate get to my hand? What are two ways to make a hot plate produce more energy per second? (The same question applies to a star: What are two ways to make a star brighter or more luminous?) What can I do to make the same hot-plate at the same setting burn my hand and not burn my hand? ...
... hot-plate get to my hand? What are two ways to make a hot plate produce more energy per second? (The same question applies to a star: What are two ways to make a star brighter or more luminous?) What can I do to make the same hot-plate at the same setting burn my hand and not burn my hand? ...
H-R Diagrams
... An H-R Diagram is… • A graph of stars’ BRIGHTNESS and TEMPERATURE – It also shows color since color is related to temperature – It was made by two astronomers who plotted the data for thousands of stars and noticed some trends. ...
... An H-R Diagram is… • A graph of stars’ BRIGHTNESS and TEMPERATURE – It also shows color since color is related to temperature – It was made by two astronomers who plotted the data for thousands of stars and noticed some trends. ...
Characteristics of Stars
... held together by its own gravity • Heat and light planets in a system (like our Sun) ...
... held together by its own gravity • Heat and light planets in a system (like our Sun) ...
Homework, November 16, 2006 AST110-6
... planets might harbor advanced civilizations like our own. However, some stars can probably be ruled out as candidates for advanced civilizations. For example, given that it took a few billion years for humans to evolve on Earth, it seems unlikely that advanced life would have had time to evolve arou ...
... planets might harbor advanced civilizations like our own. However, some stars can probably be ruled out as candidates for advanced civilizations. For example, given that it took a few billion years for humans to evolve on Earth, it seems unlikely that advanced life would have had time to evolve arou ...
Astronomy - The-A-List
... Stellar evolution, including spectral features and chemical composition, luminosity, blackbody radiation, color index (B-V), and HR Diagram transitions, stellar nurseries and star formation, protostars, main sequence stars ...
... Stellar evolution, including spectral features and chemical composition, luminosity, blackbody radiation, color index (B-V), and HR Diagram transitions, stellar nurseries and star formation, protostars, main sequence stars ...
Stars
... The sun is a star. With the exception of the sun, stars appear to be fixed, maintaining the same pattern in the skies year after year. However, stars are actually in rapid motion, but their distances are so great that their relative changes in position become apparent only over the centuries. The nu ...
... The sun is a star. With the exception of the sun, stars appear to be fixed, maintaining the same pattern in the skies year after year. However, stars are actually in rapid motion, but their distances are so great that their relative changes in position become apparent only over the centuries. The nu ...
Name: Notes – #45 The Diverse Sizes of Stars 1. A Hertzsprung
... 6. Super giants tend to have surface temperatures cooler than the sun but emit 104 time or more energy than the Sun. Why is this true? 7. The size of the star Betelgeuse in the constellation Orion is approximately the same size as ____________’s orbit around the Sun. 8. What stars have the same temp ...
... 6. Super giants tend to have surface temperatures cooler than the sun but emit 104 time or more energy than the Sun. Why is this true? 7. The size of the star Betelgeuse in the constellation Orion is approximately the same size as ____________’s orbit around the Sun. 8. What stars have the same temp ...
Characteristics of Stars
... Brightness of Stars • Absolute magnitude – measure of the amount of light given off by a star • Apparent magnitude – a measure of the amount of light received on Earth (a dim star can appear bright if its close to Earth; a bright star can appear dim if its far ...
... Brightness of Stars • Absolute magnitude – measure of the amount of light given off by a star • Apparent magnitude – a measure of the amount of light received on Earth (a dim star can appear bright if its close to Earth; a bright star can appear dim if its far ...
RFS_315_answers
... mass of a star the shorter it’s lifetime as it’s fuel is used much faster. Algol B is a dying K giant star but at only .81 solar masses, it is the LESS massive of the two. The dim companion has lost a great deal of mass to it’s closely orbiting partner. 15. Polaris is a variable star – what type of ...
... mass of a star the shorter it’s lifetime as it’s fuel is used much faster. Algol B is a dying K giant star but at only .81 solar masses, it is the LESS massive of the two. The dim companion has lost a great deal of mass to it’s closely orbiting partner. 15. Polaris is a variable star – what type of ...
Unit 11 Guide: Concepts of Earth Science Stars, Galaxies, and the
... galaxy is moving toward or away from Earth? 5. What is the difference between absolute and apparent magnitude? What is luminosity? 6. What are the three types of spectra? How can scientists use absorption spectra to determine the elements that compose a star? 7. What are stars made of and how do the ...
... galaxy is moving toward or away from Earth? 5. What is the difference between absolute and apparent magnitude? What is luminosity? 6. What are the three types of spectra? How can scientists use absorption spectra to determine the elements that compose a star? 7. What are stars made of and how do the ...
Chapter 28 Vocabulary
... Neutron star – The superdense remains of a massive star that collapsed with enough force to push all of its electrons into the nuclei they orbit, resulting in a mass of ...
... Neutron star – The superdense remains of a massive star that collapsed with enough force to push all of its electrons into the nuclei they orbit, resulting in a mass of ...