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The Life Cycle of Stars Webquest
... http://www.seasky.org/cosmic/sky7a01.html and answer the following questions: 1. Stars begin their lives as clouds of dust and gas called. 2. What is a protostar? ...
... http://www.seasky.org/cosmic/sky7a01.html and answer the following questions: 1. Stars begin their lives as clouds of dust and gas called. 2. What is a protostar? ...
The Life Cycle of Stars Webquest
... http://www.seasky.org/cosmic/sky7a01.html and answer the following questions: 1. Stars begin their lives as clouds of dust and gas called. 2. What is a protostar? ...
... http://www.seasky.org/cosmic/sky7a01.html and answer the following questions: 1. Stars begin their lives as clouds of dust and gas called. 2. What is a protostar? ...
The Evolution of Low Mass Stars
... core of the star remains. This is called a white dwarf. It is not hot enough to fuse C and O, so it will cool and fade very slowly forever. ...
... core of the star remains. This is called a white dwarf. It is not hot enough to fuse C and O, so it will cool and fade very slowly forever. ...
Stellar Interiors
... What could power the Sun for this length of time? Chemical energy (burning) -Kelvin-Helmholtz contraction (gravitational energy) -Nuclear Fusion Reactions -- ...
... What could power the Sun for this length of time? Chemical energy (burning) -Kelvin-Helmholtz contraction (gravitational energy) -Nuclear Fusion Reactions -- ...
powerpoint version
... Now have a mass-luminosity diagram for Main Sequence stars. This tells us that the heavier they are, the greater is their energy output rate i.e. Luminosity (mass mass mass mass) but Total energy available mass Therefore, low mass stars live longer. ...
... Now have a mass-luminosity diagram for Main Sequence stars. This tells us that the heavier they are, the greater is their energy output rate i.e. Luminosity (mass mass mass mass) but Total energy available mass Therefore, low mass stars live longer. ...
Supernovae: Heavy Elements
... • Protostar - a massive collection of gas within the nebula that begins the process of star formation • Star - as the protostar gathers more mass, it is compressed under it’s own gravitation and eventually is compressed enough to ignite nuclear fusion and a star is born ...
... • Protostar - a massive collection of gas within the nebula that begins the process of star formation • Star - as the protostar gathers more mass, it is compressed under it’s own gravitation and eventually is compressed enough to ignite nuclear fusion and a star is born ...
Assignment 4 Solutions
... states of stars which have come to the end of their evolutionary cycles. Specifically, at the end of the “red giant” stage, when fusion of carbon into iron begins to dominate in the core, all stars commence their final “collapse”. It is at this point that the differences between these end states wil ...
... states of stars which have come to the end of their evolutionary cycles. Specifically, at the end of the “red giant” stage, when fusion of carbon into iron begins to dominate in the core, all stars commence their final “collapse”. It is at this point that the differences between these end states wil ...
A Star is Born – Worksheet and Key – Ben Kwok
... What causes them to form? Gravitational forces pulling dust particles and gas together How do stars created energy? Nuclear fusion How long does a main sequence star live for? 10 billion years What marks the start of the death of a star? When the star can no longer fuse hydrgen What does the term re ...
... What causes them to form? Gravitational forces pulling dust particles and gas together How do stars created energy? Nuclear fusion How long does a main sequence star live for? 10 billion years What marks the start of the death of a star? When the star can no longer fuse hydrgen What does the term re ...
Astronomy 360 Physics/Geology 360
... Pleiades has several meanings in different cultures and traditions. The cluster is dominated by hot blue and extremely luminous stars that have formed within the last 100 million years. Dust that forms a faint reflection nebulosity around the brightest stars was thought at first to be left over from ...
... Pleiades has several meanings in different cultures and traditions. The cluster is dominated by hot blue and extremely luminous stars that have formed within the last 100 million years. Dust that forms a faint reflection nebulosity around the brightest stars was thought at first to be left over from ...
Document
... civilizations and we estimate their distances to be about 100 light-years apart from one another. • Two-way communication would then take 200 years. • Could we ever meet them? The speed of the fastest space probes is 50 km/s. It would take us 50,000 years just to reach Alpha Centauri (one of the clo ...
... civilizations and we estimate their distances to be about 100 light-years apart from one another. • Two-way communication would then take 200 years. • Could we ever meet them? The speed of the fastest space probes is 50 km/s. It would take us 50,000 years just to reach Alpha Centauri (one of the clo ...
The Life Cycle of a Star Webquest
... ______ The gas and dust compresses into a slowly rotating ball. ______ The gas ball begins to spin faster and cool. ______ A star begins to form from clouds of hydrogen gas and dust. ______ The ball separate into a core and spinning disks. 3. How long can a star stay a protostar? ___________________ ...
... ______ The gas and dust compresses into a slowly rotating ball. ______ The gas ball begins to spin faster and cool. ______ A star begins to form from clouds of hydrogen gas and dust. ______ The ball separate into a core and spinning disks. 3. How long can a star stay a protostar? ___________________ ...
A-105 Homework 1
... 13. (2 pts.) In the TV show Star Trek, the fastest the Enterprise can travel is warp 9 (1516 times the speed of light). How long would it take to travel from one end of the galaxy to the other moving at warp 9? What about from our solar system to the Galactic center? (Express your answers in the mos ...
... 13. (2 pts.) In the TV show Star Trek, the fastest the Enterprise can travel is warp 9 (1516 times the speed of light). How long would it take to travel from one end of the galaxy to the other moving at warp 9? What about from our solar system to the Galactic center? (Express your answers in the mos ...
Astronomy – Interpreting Main Sequence Star Data The
... 3.a) How would our sun be classified? b) How long is the life time of our sun? c) As our sun ages how will it change? 4. Which star type in the table would be considered a dwarf star? Explain your answer. 5. Which star type is most similar to the Sun? Explain your answer. 6. Which star types are lik ...
... 3.a) How would our sun be classified? b) How long is the life time of our sun? c) As our sun ages how will it change? 4. Which star type in the table would be considered a dwarf star? Explain your answer. 5. Which star type is most similar to the Sun? Explain your answer. 6. Which star types are lik ...
Galaxies - Wallkill Valley Regional High School
... Our solar system contains the following items: 1 star (the sun) 8 planets 1-3 dwarf planetoids a few hundred natural satellites (moons) gases, asteroids, dust, etc. Well, Guess What? Our solar system is only one of billions of star systems that make up the Milky Way Galaxy, which is only one of seve ...
... Our solar system contains the following items: 1 star (the sun) 8 planets 1-3 dwarf planetoids a few hundred natural satellites (moons) gases, asteroids, dust, etc. Well, Guess What? Our solar system is only one of billions of star systems that make up the Milky Way Galaxy, which is only one of seve ...
PowerPoint - Chandra X
... astronomers to conclude that the X-rays observed from the torus are scattered and fluorescent X-rays produced by a hidden accretion disk around a supermassive black hole. ...
... astronomers to conclude that the X-rays observed from the torus are scattered and fluorescent X-rays produced by a hidden accretion disk around a supermassive black hole. ...
Why use these sites
... Astronomy and planetary exploration reveal the solar system's structure, scale, and change over time. As a basis for understanding this concept: a. ...
... Astronomy and planetary exploration reveal the solar system's structure, scale, and change over time. As a basis for understanding this concept: a. ...
STELLAR EVOLUTION
... Theoretical models of the internal structure of stars, derived using computer-intensive calculations, are compared with the observed properties of individual stars. The theoretical models are then continually “tweaked” to match the data. These models incorporate the basic laws of physics as we und ...
... Theoretical models of the internal structure of stars, derived using computer-intensive calculations, are compared with the observed properties of individual stars. The theoretical models are then continually “tweaked” to match the data. These models incorporate the basic laws of physics as we und ...
Multiple choice test questions 1, Winter Semester
... C) They did not have the ability to measure very small angles. D) They did not observe for long enough periods of time. E) They did detect it, but they rejected the observations. 41) A star's luminosity is the A) apparent brightness of the star in our sky. B) surface temperature of the star. C) life ...
... C) They did not have the ability to measure very small angles. D) They did not observe for long enough periods of time. E) They did detect it, but they rejected the observations. 41) A star's luminosity is the A) apparent brightness of the star in our sky. B) surface temperature of the star. C) life ...
The H-R Diagram
... main sequence. Most white dwarfs have approximately the mass of the sun, but a radius about 0.01 to 0.001 of the radius of the sun (roughly about the size of a the earth). Their average density is about 106 to 108 solar density. They have exhausted all of their nuclear fuel, are no longer generating ...
... main sequence. Most white dwarfs have approximately the mass of the sun, but a radius about 0.01 to 0.001 of the radius of the sun (roughly about the size of a the earth). Their average density is about 106 to 108 solar density. They have exhausted all of their nuclear fuel, are no longer generating ...
File
... • The remaining dense core is made up almost entirely of neutrons. • This is called a neutron star. • These are as small as 10 miles across. • They are extremely dense. • 1 tsp. of neutron star matter = 1 billion tons • The Neutron star begins to spin rapidly and create a large magnetic field that b ...
... • The remaining dense core is made up almost entirely of neutrons. • This is called a neutron star. • These are as small as 10 miles across. • They are extremely dense. • 1 tsp. of neutron star matter = 1 billion tons • The Neutron star begins to spin rapidly and create a large magnetic field that b ...
1 Astronomical Measurements and Quantities 2 Astronomical Objects
... Distance Ladder: The Hubble low (V=HD) and the expansion of the Universe. The Baade-Wesselink method. A brief overview of different methods treated through the course to go from very nearby objects to very distant ones. [K],[BM] Galaxy Clusters: Morphological classification. Main properties. Cluster ...
... Distance Ladder: The Hubble low (V=HD) and the expansion of the Universe. The Baade-Wesselink method. A brief overview of different methods treated through the course to go from very nearby objects to very distant ones. [K],[BM] Galaxy Clusters: Morphological classification. Main properties. Cluster ...
ASTR 101 Deming EXAM II November 18 OFFICE HRS in CSS
... Exoplanets: methods of detection, what are they like? Revision of solar nebula theory Electromagnetic radiation—basic properties of light, wavelength & photon energy gamma rays, x rays, ultraviolet, visible, infrared, radio short wavelength--------------------------->long wavelength great photon ene ...
... Exoplanets: methods of detection, what are they like? Revision of solar nebula theory Electromagnetic radiation—basic properties of light, wavelength & photon energy gamma rays, x rays, ultraviolet, visible, infrared, radio short wavelength--------------------------->long wavelength great photon ene ...
Chapter27
... Earth with the treatment of life elsewhere. This material was part of the chapter on Earth. My reason for having such a limited discussion of life in the Universe was that I thought the subject was still very speculative. For example, at that time, only a little more than 10 years ago, we didn’t yet ...
... Earth with the treatment of life elsewhere. This material was part of the chapter on Earth. My reason for having such a limited discussion of life in the Universe was that I thought the subject was still very speculative. For example, at that time, only a little more than 10 years ago, we didn’t yet ...
What is the universe???
... in a row, 1 cm apart, on your balloon Label one “Earth” and the others A-D (these represent other galaxies) • Partially inflate the balloon (1-2 big breaths) and hold it…do not tie it! Use a piece of yarn to measure the distances at time 1, convert to centimeters using your ruler, and record • Rep ...
... in a row, 1 cm apart, on your balloon Label one “Earth” and the others A-D (these represent other galaxies) • Partially inflate the balloon (1-2 big breaths) and hold it…do not tie it! Use a piece of yarn to measure the distances at time 1, convert to centimeters using your ruler, and record • Rep ...