Amie Bickert - ColonialAcademyScience
... Step 3: The dust and gases become so dense and hot that nuclear fusion starts and a star is born. Step 4: How long a star lives depends on its mass. The small mass star will burn slower and thus last longer, while the larger mass star will burn quickly and thus burn out faster. Step 4: Life span ...
... Step 3: The dust and gases become so dense and hot that nuclear fusion starts and a star is born. Step 4: How long a star lives depends on its mass. The small mass star will burn slower and thus last longer, while the larger mass star will burn quickly and thus burn out faster. Step 4: Life span ...
Life cycle of a star
... cools and dims. When it stops shining, the now dead star is called a Black Dwarf. ...
... cools and dims. When it stops shining, the now dead star is called a Black Dwarf. ...
galaxies and stars - Valhalla High School
... faster it is moving. • It takes 2 million years for light from the Andromeda galaxy to reach earth. • Astronomers have classified most galaxies into three main categories: spiral, elliptical and irregular. ...
... faster it is moving. • It takes 2 million years for light from the Andromeda galaxy to reach earth. • Astronomers have classified most galaxies into three main categories: spiral, elliptical and irregular. ...
solutions
... photon to take millions years to reach the surface of the Sun. So if fusion in the core of the Sun suddenly stopped, the surface would continue to shine for millions of years, and therefore, the luminosity would not decrease abruptly. We also now know that if the energy source were turned off, the S ...
... photon to take millions years to reach the surface of the Sun. So if fusion in the core of the Sun suddenly stopped, the surface would continue to shine for millions of years, and therefore, the luminosity would not decrease abruptly. We also now know that if the energy source were turned off, the S ...
galaxy
... Nuclear Fusion hydrogen atoms fuse into helium creating the intense energy found in stars ...
... Nuclear Fusion hydrogen atoms fuse into helium creating the intense energy found in stars ...
Reach_for_the_stars_final_questions.doc
... For each of the following images, give the following information: (Total points : 32) i. The name of the deep-space object. ii. The portion of the electromagnetic spectrum used to take the image. (gamma ray, x-ray, etc.) iii. The approximate distance from earth, in light years. iv. The constellation ...
... For each of the following images, give the following information: (Total points : 32) i. The name of the deep-space object. ii. The portion of the electromagnetic spectrum used to take the image. (gamma ray, x-ray, etc.) iii. The approximate distance from earth, in light years. iv. The constellation ...
File - Mr. Goodyear Astronomy
... Stage 6 Planetary Nebula / Nova - star uses up most of He and moves back toward main sequence area of H-R diagram. - Star fluctuates on and off main sequence. Gravity tries to contact star creating other elements in star increasing fusion process. - This increase energy causes an explosion-like occ ...
... Stage 6 Planetary Nebula / Nova - star uses up most of He and moves back toward main sequence area of H-R diagram. - Star fluctuates on and off main sequence. Gravity tries to contact star creating other elements in star increasing fusion process. - This increase energy causes an explosion-like occ ...
Slide 1
... Magnitude is the degree of brightness of a star. In 1856, British astronomer Norman Pogson proposed a quantitative scale of stellar magnitudes, which was adopted by the astronomical community. Each increment in magnitude corresponds to an increase in the amount of energy by 2.512, approximately. A f ...
... Magnitude is the degree of brightness of a star. In 1856, British astronomer Norman Pogson proposed a quantitative scale of stellar magnitudes, which was adopted by the astronomical community. Each increment in magnitude corresponds to an increase in the amount of energy by 2.512, approximately. A f ...
PDF version (two pages, including the full text)
... same distance, Canopus would appear far brighter than Sirius. Canopus is 15000 times as luminous as the sun, a rare yellow-white supergiant 313 light years away. If placed at the center of our solar system, its surface would be three quarters of the distance from the centre to the orbit of Mercury, ...
... same distance, Canopus would appear far brighter than Sirius. Canopus is 15000 times as luminous as the sun, a rare yellow-white supergiant 313 light years away. If placed at the center of our solar system, its surface would be three quarters of the distance from the centre to the orbit of Mercury, ...
Lecture 12
... • How do we measure stellar luminosities? • How do we measure stellar temperatures? • How do we measure stellar masses? ...
... • How do we measure stellar luminosities? • How do we measure stellar temperatures? • How do we measure stellar masses? ...
The Hertzsprung-Russell Diagram
... temperatures, sizes and luminosities, which cause them to move in tracks on the H-R Diagram. After a star uses up all the hydrogen in its core, it leaves the main sequence and moves towards the red giant branch. The most massive stars may also become red supergiants, in the upper right corner of the ...
... temperatures, sizes and luminosities, which cause them to move in tracks on the H-R Diagram. After a star uses up all the hydrogen in its core, it leaves the main sequence and moves towards the red giant branch. The most massive stars may also become red supergiants, in the upper right corner of the ...
Word doc - UC-HiPACC - University of California, Santa Cruz
... Some stars end their lives in cataclysmic explosions: spectacular supernovae, which briefly become the most brilliant objects in their home galaxies, visible from millions or even billions of light-years away. Supernovae are of several distinct types, as is evident from their spectra—the graphs astr ...
... Some stars end their lives in cataclysmic explosions: spectacular supernovae, which briefly become the most brilliant objects in their home galaxies, visible from millions or even billions of light-years away. Supernovae are of several distinct types, as is evident from their spectra—the graphs astr ...
Astrophysics
... Certain spectral lines appeared consistently at certain temperatures and disappeared at others Different lines appear with different degrees of ionisation – which results from different temperatures ...
... Certain spectral lines appeared consistently at certain temperatures and disappeared at others Different lines appear with different degrees of ionisation – which results from different temperatures ...
1/2016
... Description: Delta Cephei is the prototype of the Cepheid class of variable stars. With a change in visual magnitude of 3.5 to 4.4, delta Cephei’s entire range of variability can be observed with the unaided eye. Its period of 5.366 days makes it an attractive candidate for anyone anxious to obtain ...
... Description: Delta Cephei is the prototype of the Cepheid class of variable stars. With a change in visual magnitude of 3.5 to 4.4, delta Cephei’s entire range of variability can be observed with the unaided eye. Its period of 5.366 days makes it an attractive candidate for anyone anxious to obtain ...
Document
... 2. Here is a pneumonic to remember the twelve constellations in order. It is supposed to help with memorizing the constellations of the zodiac, in the order that the Sun passes through them during the year. The ramble twins crave liverish Scaly scorpions are good water fish ...
... 2. Here is a pneumonic to remember the twelve constellations in order. It is supposed to help with memorizing the constellations of the zodiac, in the order that the Sun passes through them during the year. The ramble twins crave liverish Scaly scorpions are good water fish ...
Stars - Weebly
... Life span of a star depends on its size. – Very large, massive stars burn their fuel much faster than smaller stars – Their main sequence may last only a few hundred thousand years – Smaller stars will live on for billions of years because they burn their fuel much more slowly ...
... Life span of a star depends on its size. – Very large, massive stars burn their fuel much faster than smaller stars – Their main sequence may last only a few hundred thousand years – Smaller stars will live on for billions of years because they burn their fuel much more slowly ...
PowerPoint - Earth Science with Mrs. Wilson
... They seem to form a picture in the sky. People use them to find their way around the sky like someone using objects to get from place to place. ...
... They seem to form a picture in the sky. People use them to find their way around the sky like someone using objects to get from place to place. ...
Stars and Galaxies
... • Neutron stars are the smallest stars of all. A typical neutron star has a diameter of only about 16 kilometers. • Surface temperature of a star can be determined by its color. Blue being very hot 35,000 oC and above and Red being cool 3,000 oC. Our sun is classified in yellow. Its average surface ...
... • Neutron stars are the smallest stars of all. A typical neutron star has a diameter of only about 16 kilometers. • Surface temperature of a star can be determined by its color. Blue being very hot 35,000 oC and above and Red being cool 3,000 oC. Our sun is classified in yellow. Its average surface ...
Morning Announcements
... Activity: Early this century, two researchers, Enjar Hertzsprung and Henry Norris Russell independently developed what has come to be known as the Hertzsprung-Russell (HR) diagram. The HR diagram is a plot of absolute magnitude/luminosity on the vertical axis versus spectral class/temperature/color ...
... Activity: Early this century, two researchers, Enjar Hertzsprung and Henry Norris Russell independently developed what has come to be known as the Hertzsprung-Russell (HR) diagram. The HR diagram is a plot of absolute magnitude/luminosity on the vertical axis versus spectral class/temperature/color ...
Document
... The change in position of an object with respect to a distant background is called parallax. As Earth moves in its orbit, astronomers are able to observe stars from two different positions. Astronomers measure the parallax of nearby stars to determine their distance from Earth ...
... The change in position of an object with respect to a distant background is called parallax. As Earth moves in its orbit, astronomers are able to observe stars from two different positions. Astronomers measure the parallax of nearby stars to determine their distance from Earth ...
Characteristics of Stars
... wire in a light bulb glow? Which color is hotter? Is Betelgeuse a cool or hot star? What color is Betelgeuse? What color is Rigel? Is Rigel a hot or cold star? 7. The brightness of a star depends on what two characteristics? What is a star’s apparent magnitude? What is absolute magnitude? What two t ...
... wire in a light bulb glow? Which color is hotter? Is Betelgeuse a cool or hot star? What color is Betelgeuse? What color is Rigel? Is Rigel a hot or cold star? 7. The brightness of a star depends on what two characteristics? What is a star’s apparent magnitude? What is absolute magnitude? What two t ...