answers
... C) Not Moons. They let us calculate planet masses. We used planets for the Sun’s mass but it is too hard to do this with the other stars, because the planets are usually too faint to see. Fortunately, most stars have at least one star partner. 3) The Sun has a temperature of 5506o C and the other st ...
... C) Not Moons. They let us calculate planet masses. We used planets for the Sun’s mass but it is too hard to do this with the other stars, because the planets are usually too faint to see. Fortunately, most stars have at least one star partner. 3) The Sun has a temperature of 5506o C and the other st ...
Chapter 15 (Star Lives)
... D. are at different stages of their lives. 2. In making a model of a star, an astronomer does NOT have to know or assume: A. that the energy given off is produced in the interior. B. the mass of the star. C. the chemical composition of the star. D. the distance to that star. 3. For a star like our s ...
... D. are at different stages of their lives. 2. In making a model of a star, an astronomer does NOT have to know or assume: A. that the energy given off is produced in the interior. B. the mass of the star. C. the chemical composition of the star. D. the distance to that star. 3. For a star like our s ...
Life Cycle of Star EDpuzzle worksheet
... a. Red Giant b. White Dwarf 8. What happens to the outer layer of the Red Giant as it expands? a. It will drift off into space and become a Solar Nebula b. It will explode and become a Solar Nebula 9. The remaining core of the Sun will be called a White Dwarf. What is a White Dwarf like? a. It is de ...
... a. Red Giant b. White Dwarf 8. What happens to the outer layer of the Red Giant as it expands? a. It will drift off into space and become a Solar Nebula b. It will explode and become a Solar Nebula 9. The remaining core of the Sun will be called a White Dwarf. What is a White Dwarf like? a. It is de ...
The Young Astronomers Newsletter Volume 22 Number 3 February
... 2009 FD had been ranked among the top five objects in a list of the most dangerous objects, but new observations have now shown that it is far less likely to hit the Earth than had been feared. ...
... 2009 FD had been ranked among the top five objects in a list of the most dangerous objects, but new observations have now shown that it is far less likely to hit the Earth than had been feared. ...
Essay - CLC Charter School
... much energy as the sun will in a life- time, and the explosion is equivalent to the power in a 1028 megaton bomb (i.e., a few octillion nuclear warheads). How Do Supernovae Occur Supernovae occur when the star’s core fusion process runs out of fuel. The outward pressure drops, causing the gravitatio ...
... much energy as the sun will in a life- time, and the explosion is equivalent to the power in a 1028 megaton bomb (i.e., a few octillion nuclear warheads). How Do Supernovae Occur Supernovae occur when the star’s core fusion process runs out of fuel. The outward pressure drops, causing the gravitatio ...
Stars
... Kepler’s 3rd law) imply a mass of 2.6106 solar masses inside a volume 0.03 light years in diameter. It is impossible to pack stars together that tightly – they would collide, destroying each other very quickly. It is likely that the object at the center of our galaxy is a super massive black hole. ...
... Kepler’s 3rd law) imply a mass of 2.6106 solar masses inside a volume 0.03 light years in diameter. It is impossible to pack stars together that tightly – they would collide, destroying each other very quickly. It is likely that the object at the center of our galaxy is a super massive black hole. ...
The Genesis of the Elements
... It has the lowest mass per nuclear particle of any element It can not fuse into another element without creating mass ...
... It has the lowest mass per nuclear particle of any element It can not fuse into another element without creating mass ...
Stars
... Life span of a star depends on its size and mass. – 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 and mass. – 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 ...
Cosmic Distance Ladder
... Note that beyond the Virgo cluster, even very bright stars like Cepheids become unresolved and we see only the integrated light from galaxies. Further away than this, we must determine distances using the redshift of galaxies. ...
... Note that beyond the Virgo cluster, even very bright stars like Cepheids become unresolved and we see only the integrated light from galaxies. Further away than this, we must determine distances using the redshift of galaxies. ...
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... 2a. Mark and label the Sun (spectral type=G2V, MV = 4.83, B-‐V=+0.66) and the star Vega (spectral type: A0V, MV = 0.5, B-‐V=0.0) in the HR diagram. [Assume the tick marks on the lower horizontal ...
... 2a. Mark and label the Sun (spectral type=G2V, MV = 4.83, B-‐V=+0.66) and the star Vega (spectral type: A0V, MV = 0.5, B-‐V=0.0) in the HR diagram. [Assume the tick marks on the lower horizontal ...
RFS_multiple_choice_Dec8_Key
... with funny-looking names consisting of the capital letter "M" followed by a number. For example, the Pleiades star-cluster in Taurus is labeled "M45", and "M13" is the labelling for the Hercules Globular Cluster. And so it goes on right from "M1" to "M110". But tell me, what exactly does the letter ...
... with funny-looking names consisting of the capital letter "M" followed by a number. For example, the Pleiades star-cluster in Taurus is labeled "M45", and "M13" is the labelling for the Hercules Globular Cluster. And so it goes on right from "M1" to "M110". But tell me, what exactly does the letter ...
Introduction to Astronomy
... This cluster had to be extremely old since every member had used up it’s nuclear fuel. From this, they figured the age of this particular cluster would give a lower bound to the age of the Universe. They found ...
... This cluster had to be extremely old since every member had used up it’s nuclear fuel. From this, they figured the age of this particular cluster would give a lower bound to the age of the Universe. They found ...
Lecture 9: Hydrostatic Equilibrium
... Note that in most cases of interest in stellar structure, the radiation pressure is much less than the gas pressure and can often be neglected. The exception is the atmospheres of very hot stars, where the gas density is so low and the temperature so high that radiation pressure becomes important. A ...
... Note that in most cases of interest in stellar structure, the radiation pressure is much less than the gas pressure and can often be neglected. The exception is the atmospheres of very hot stars, where the gas density is so low and the temperature so high that radiation pressure becomes important. A ...
Eye on the Sky - Sci-Port
... 48. Communicate ways that information from space exploration and technological research have advanced understanding about Earth, the solar system, and the universe (ESS-M-C8) 49. Identify practical applications of technological advances resulting from space exploration and scientific and technologic ...
... 48. Communicate ways that information from space exploration and technological research have advanced understanding about Earth, the solar system, and the universe (ESS-M-C8) 49. Identify practical applications of technological advances resulting from space exploration and scientific and technologic ...
Deep Space Mystery Note Form 2
... The Sun will expand to a red giant, turn into a planetary nebula, white dwarf and eventually end its life as a black dwarf. There are different types of supernova, and they are created in two different ways. When a star with a mass a few times larger than our Sun runs out of fuel towards the end of ...
... The Sun will expand to a red giant, turn into a planetary nebula, white dwarf and eventually end its life as a black dwarf. There are different types of supernova, and they are created in two different ways. When a star with a mass a few times larger than our Sun runs out of fuel towards the end of ...
The All-Seeing, All-Magnifying Eye
... galaxies acting as gravitational lenses. In the example above, you will notice that there are two images of each part of the building: one inside the circular ring, which has been turned inside out, and one outside. The lensing effect causes each point in the original image to appear twice in the di ...
... galaxies acting as gravitational lenses. In the example above, you will notice that there are two images of each part of the building: one inside the circular ring, which has been turned inside out, and one outside. The lensing effect causes each point in the original image to appear twice in the di ...
Star Formation
... • Interstellar gas, like the sun, is 74% hydrogen and 25% helium. • Interstellar dust, like clouds in the gas giants, are molecular carbon monoxide, ammonia, and water. • Traces of all other elements are present. ...
... • Interstellar gas, like the sun, is 74% hydrogen and 25% helium. • Interstellar dust, like clouds in the gas giants, are molecular carbon monoxide, ammonia, and water. • Traces of all other elements are present. ...
Stellar Evolution – Test Review Answers
... Nearly in the middle of both the temperature and luminosity scales relative to other stars. This puts it around the middle of the main sequence. 17. Where are giant stars, supergiant stars and white dwarfs found on the H-R diagram, relative to the main sequence? Giant and supergiant stars lie above ...
... Nearly in the middle of both the temperature and luminosity scales relative to other stars. This puts it around the middle of the main sequence. 17. Where are giant stars, supergiant stars and white dwarfs found on the H-R diagram, relative to the main sequence? Giant and supergiant stars lie above ...