Origin of the Elements Essay
... nucleosynthesis, but it is more commonly known as nuclear fusion. Nuclear fusion is used today on Earth in the nuclear explosives called hydrogen bombs. Many people hope that one day nuclear fusion will be used for peaceful energy production. Stars are fueled by nuclear fusion reactions, which take ...
... nucleosynthesis, but it is more commonly known as nuclear fusion. Nuclear fusion is used today on Earth in the nuclear explosives called hydrogen bombs. Many people hope that one day nuclear fusion will be used for peaceful energy production. Stars are fueled by nuclear fusion reactions, which take ...
Stars and Their Characteristics
... • particles move closer together under gravity • increase density = increase temperature • if nebula glows, called protostar • center will become hotter until fusion takes place and a star is born ...
... • particles move closer together under gravity • increase density = increase temperature • if nebula glows, called protostar • center will become hotter until fusion takes place and a star is born ...
Star Life Cycle - GSHS Mrs. Francomb
... together, forming carbon atoms and releasing energy. • The core is now stable since the carbon atoms are not further compressible. • Now the outer layers of the star start to drift off into space, forming a planetary nebula (a planetary nebula has nothing to do with planets). • The star loses most o ...
... together, forming carbon atoms and releasing energy. • The core is now stable since the carbon atoms are not further compressible. • Now the outer layers of the star start to drift off into space, forming a planetary nebula (a planetary nebula has nothing to do with planets). • The star loses most o ...
Lecture 3 Geocentrism vs.Heliocentrism
... Amazed, and as if astonished and stupefied, I stood still, gazing for a certain length of time with my eyes fixed intently upon it and noticing that same star placed close to the ...
... Amazed, and as if astonished and stupefied, I stood still, gazing for a certain length of time with my eyes fixed intently upon it and noticing that same star placed close to the ...
What is a Red Shift?
... How is an object moving if it is blue-shifted? It is moving towards Earth. How is an object moving if it is red-shifted? It is moving away from Earth. Do galaxies farthest away move slower or faster than those that are closer? ...
... How is an object moving if it is blue-shifted? It is moving towards Earth. How is an object moving if it is red-shifted? It is moving away from Earth. Do galaxies farthest away move slower or faster than those that are closer? ...
The Life Cycle of Stars
... by reading up on Main Sequence Stars and find out how our sun compares in mass to other stars like Sirius, and Proxima Centauri. Based on its mass, will our sun be around for a while? ...
... by reading up on Main Sequence Stars and find out how our sun compares in mass to other stars like Sirius, and Proxima Centauri. Based on its mass, will our sun be around for a while? ...
Volume 20 Number 4 March 2012 - Forsyth Astronomical Society
... light has taken around ten billion years to reach Earth and are undergoing the most intense type of star formation activity known - a starburst. The astronomers found that these distant starburst galaxies eventually become giant elliptical galaxies - the most massive galaxies in the Universe. They s ...
... light has taken around ten billion years to reach Earth and are undergoing the most intense type of star formation activity known - a starburst. The astronomers found that these distant starburst galaxies eventually become giant elliptical galaxies - the most massive galaxies in the Universe. They s ...
Stellar Evolution and the HR Diagram Study Guide
... The explosion of a massive star at the end of its life is called a supernova . ...
... The explosion of a massive star at the end of its life is called a supernova . ...
Astronomy Review - Cockeysville Middle
... because it travels so quickly, all light takes time to go any distance. Light travels at 3 x 108 m/s. To the right, are some light travel times. Even when I look at you, I see what was! The further away we look, the further back in time we see. ...
... because it travels so quickly, all light takes time to go any distance. Light travels at 3 x 108 m/s. To the right, are some light travel times. Even when I look at you, I see what was! The further away we look, the further back in time we see. ...
a star is born reading
... quickly than red ones. They are also brighter. They are like the spotlights in the dark auditorium. Yellow stars have a shorter life span than red ones, only ten billion years or so. Our Sun is about five billion years old. Toward the end of its life, it will become much larger. It will swallow up t ...
... quickly than red ones. They are also brighter. They are like the spotlights in the dark auditorium. Yellow stars have a shorter life span than red ones, only ten billion years or so. Our Sun is about five billion years old. Toward the end of its life, it will become much larger. It will swallow up t ...
Study Guide: Use your notes and handouts to
... 32. What does magnitude of stars really measure? 33. How is apparent magnitude different from absolute magnitude? 34. What is a parallax? What is it used to measure in space? 35. What is a Hertzsprung Russell Diagram? 36. What is on the X axis of a HR Diagram? 37. What is on the Y axis of the HR Dia ...
... 32. What does magnitude of stars really measure? 33. How is apparent magnitude different from absolute magnitude? 34. What is a parallax? What is it used to measure in space? 35. What is a Hertzsprung Russell Diagram? 36. What is on the X axis of a HR Diagram? 37. What is on the Y axis of the HR Dia ...
PH109 Exploring the Universe, Test 3, Fall 2001 Please indicate the
... 33. A measurement of the parallax of a star allows us directly to determine the star's a) rotation rate, b) temperature, c) distance, d) age 34. The stars located in the lower left corner of the HR diagram are a) white dwarfs, b) main sequence stars, c) giants, d) supergiants 35. The four hydrogen n ...
... 33. A measurement of the parallax of a star allows us directly to determine the star's a) rotation rate, b) temperature, c) distance, d) age 34. The stars located in the lower left corner of the HR diagram are a) white dwarfs, b) main sequence stars, c) giants, d) supergiants 35. The four hydrogen n ...
Prep Homework Solutions for HW due 10/04/10
... the red giant in Algol used to be the more massive star, and it evolved off the Main Sequence before its companion, but then it lost significant mass through mass transfer to the companion, so the more massive star is the less massive star now. Note: a couple of you suggested that the paradox could ...
... the red giant in Algol used to be the more massive star, and it evolved off the Main Sequence before its companion, but then it lost significant mass through mass transfer to the companion, so the more massive star is the less massive star now. Note: a couple of you suggested that the paradox could ...
HW2 due - Yale Astronomy
... 3. (15 points) One of the nearest stars is Sirius B, a white dwarf star which orbits Sirius A, the brightest star in the sky. Sirius B has a radius of 0.0084 Rsun and a luminosity of 0.02 ...
... 3. (15 points) One of the nearest stars is Sirius B, a white dwarf star which orbits Sirius A, the brightest star in the sky. Sirius B has a radius of 0.0084 Rsun and a luminosity of 0.02 ...
We Are All Star Dust - High School of Language and Innovation
... • Temperature inside of the core of the Sun = 27,000,000°F • Most of the universe is made from hydrogen and helium ...
... • Temperature inside of the core of the Sun = 27,000,000°F • Most of the universe is made from hydrogen and helium ...
The fantastic journey of that ring on your finger: From
... According to the prevailing Big Bang theory, the matter that made up the early universe largely consisted of hydrogen (the most basic element on the periodic table) and helium (the second gas on the scale). So, where do the other elements—118 in total—come from? And although hydrogen and helium rema ...
... According to the prevailing Big Bang theory, the matter that made up the early universe largely consisted of hydrogen (the most basic element on the periodic table) and helium (the second gas on the scale). So, where do the other elements—118 in total—come from? And although hydrogen and helium rema ...
What is a supernova - University of Warwick
... During the lifetime of all stars, hydrogen is converted to helium by thermonuclear fusion. This process involves gravitational force within the star and intense heat to force hydrogen atoms together. ...
... During the lifetime of all stars, hydrogen is converted to helium by thermonuclear fusion. This process involves gravitational force within the star and intense heat to force hydrogen atoms together. ...
4B-Astronomer-Notes
... • In the 1920’s, he discovered countless galaxies beyond our own. • In 1923, Edwin used the Hooker Telescope and saw a hazy patch of the sky and called it the Andromeda Nebula. • Later he discovered that the Andromeda Nebula wasn’t a nearby star cluster, but an entire other galaxy and he called it t ...
... • In the 1920’s, he discovered countless galaxies beyond our own. • In 1923, Edwin used the Hooker Telescope and saw a hazy patch of the sky and called it the Andromeda Nebula. • Later he discovered that the Andromeda Nebula wasn’t a nearby star cluster, but an entire other galaxy and he called it t ...
hw4
... be determined by isolating certain spectral wavelength regions or by locating the peak wavelength. By making assumptions it is possible to estimate the radius and mass of a star from spectral characteristics. For example, giant stars have thinner spectral lines generally than small stars due to dens ...
... be determined by isolating certain spectral wavelength regions or by locating the peak wavelength. By making assumptions it is possible to estimate the radius and mass of a star from spectral characteristics. For example, giant stars have thinner spectral lines generally than small stars due to dens ...
X Ray Astronomy
... transitions which have lines in the "soft" (low-energy) X-ray band. If these are not there then we can tell that, for example, there is very little (or even no) cool X-ray gas in Clusters of galaxies. The analysis of spectra can tell about the composition of a star system and provide information for ...
... transitions which have lines in the "soft" (low-energy) X-ray band. If these are not there then we can tell that, for example, there is very little (or even no) cool X-ray gas in Clusters of galaxies. The analysis of spectra can tell about the composition of a star system and provide information for ...
C472 Continuous Assessment: Essay #2
... fermentation to redox reactions, and it can be assumed that these mechanisms can also be in place on other planets, so the necessary reactants would have to be present. The third major vital consideration is the existence of a medium in which chemical reactions can occur, the terrestrial version bei ...
... fermentation to redox reactions, and it can be assumed that these mechanisms can also be in place on other planets, so the necessary reactants would have to be present. The third major vital consideration is the existence of a medium in which chemical reactions can occur, the terrestrial version bei ...