Lab Document - University of Iowa Astronomy and Astrophysics
... (8) Now let’s try and find a “Deep Sky” object using the Pocket Sky Atlas. We will look at the object M13 in the constellation of Hercules. Using the Star Wheel and SC1 chart, find Hercules. Both the Star Wheel and the SC1 indicate where M13 is located. The Pocket Sky Atlas has a more detailed map o ...
... (8) Now let’s try and find a “Deep Sky” object using the Pocket Sky Atlas. We will look at the object M13 in the constellation of Hercules. Using the Star Wheel and SC1 chart, find Hercules. Both the Star Wheel and the SC1 indicate where M13 is located. The Pocket Sky Atlas has a more detailed map o ...
the life cycle of stars
... • When shrinks – atmosphere grows large and cools to a red giant or red supergiant • In 5 billion years the sun will become a red giant ...
... • When shrinks – atmosphere grows large and cools to a red giant or red supergiant • In 5 billion years the sun will become a red giant ...
Space Science Unit - World of Teaching
... • Stars stay in this part of their life cycle for a long time; most of their “lives” ...
... • Stars stay in this part of their life cycle for a long time; most of their “lives” ...
Space Science Unit
... • Stars stay in this part of their life cycle for a long time; most of their “lives” ...
... • Stars stay in this part of their life cycle for a long time; most of their “lives” ...
Star Properties and Stellar Evolution
... What is the size of stars? Vary from the size of Earth to 2,000 times the size of the ...
... What is the size of stars? Vary from the size of Earth to 2,000 times the size of the ...
Shapes in the Sky
... 1. Practice seeing constellations without the lines by punching out holes in an opaque sheet of construction paper and putting them on a overhead transparency projector. What different things does your class see? Start out simple with triangles and squares. “How many dots does it take to make a tria ...
... 1. Practice seeing constellations without the lines by punching out holes in an opaque sheet of construction paper and putting them on a overhead transparency projector. What different things does your class see? Start out simple with triangles and squares. “How many dots does it take to make a tria ...
Unit 11 Vocabulary
... 3. protostar - a very young star that is still gathering mass from its parent molecular cloud. This is the earliest phase in the process of a star’s evolution. 4. main sequence star - stars that are fusing hydrogen atoms to form helium atoms in their cores. Most of the stars in the universe are main ...
... 3. protostar - a very young star that is still gathering mass from its parent molecular cloud. This is the earliest phase in the process of a star’s evolution. 4. main sequence star - stars that are fusing hydrogen atoms to form helium atoms in their cores. Most of the stars in the universe are main ...
Table Number: _____
... Using the distance modulus equation, d= 10 x 10(m-M)/5 , in the Introduction to calculate the distance to the cluster in parsecs. Then convert your answer to light years. Show all work in the ...
... Using the distance modulus equation, d= 10 x 10(m-M)/5 , in the Introduction to calculate the distance to the cluster in parsecs. Then convert your answer to light years. Show all work in the ...
chapter-30-pp
... This happens due to the expansion of the universe. The expansion causes more distant objects to move away at greater speeds. ...
... This happens due to the expansion of the universe. The expansion causes more distant objects to move away at greater speeds. ...
Today`s Class: Measuring temperatures of stars Astronomer`s
... • Important: the different spectral lines seen are NOT primarily because stars are made of different elements ...
... • Important: the different spectral lines seen are NOT primarily because stars are made of different elements ...
PHYS 390 Lecture 3
... Consider, then, pairs of photons emitted from a star and observed some time later on Earth. Defining as 1 the number of photon pairs in a random distribution having a given relative momentum Δp, we expect Pair correlations ...
... Consider, then, pairs of photons emitted from a star and observed some time later on Earth. Defining as 1 the number of photon pairs in a random distribution having a given relative momentum Δp, we expect Pair correlations ...
Stars_and_Galaxies
... circle around the north star, Polaris. These are circumpolar constellations. • They are visible year-round in each hemisphere ...
... circle around the north star, Polaris. These are circumpolar constellations. • They are visible year-round in each hemisphere ...
Stars
... Life Cycle of Stars • The matter inside the star will be compressed so tightly that its atoms are compacted into a dense shell of neutrons. If the remaining mass of the star is more than about three times that of the Sun, it will collapse so completely that it will literally disappear from the univ ...
... Life Cycle of Stars • The matter inside the star will be compressed so tightly that its atoms are compacted into a dense shell of neutrons. If the remaining mass of the star is more than about three times that of the Sun, it will collapse so completely that it will literally disappear from the univ ...
The Life of a Star
... around to experience this. As the hydrogen runs out the core will collapse increasing the density and temperature enough to allow helium fusion reactions to occur; meanwhile the outer layers will cool and expand. The Sun will have become a red giant, swallowing up Mercury and possibly Venus in the p ...
... around to experience this. As the hydrogen runs out the core will collapse increasing the density and temperature enough to allow helium fusion reactions to occur; meanwhile the outer layers will cool and expand. The Sun will have become a red giant, swallowing up Mercury and possibly Venus in the p ...
Stars - Madison County Schools
... 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 ...
Section 3: Evolution of Stars pages 114-119
... locations around the sun so there are different stars visible in the night time sky. Obj: Distinguish between absolute and apparent magnitude Absolute magnitude is the TRUE brightness of a star compared to other stars and apparent magnitude is what you see with your own eyes from earth. ...
... locations around the sun so there are different stars visible in the night time sky. Obj: Distinguish between absolute and apparent magnitude Absolute magnitude is the TRUE brightness of a star compared to other stars and apparent magnitude is what you see with your own eyes from earth. ...
1 Ay 124 Winter 2014 – HOMEWORK #2 Problem 1
... than 1M , whose lifetimes are shorter than the age of the galaxy. a) Find the slope x such that an observer in a homogeneous, isotropic region counts, at every apparent bolmetric magnitude, equal numbers of stars in each octave of luminosity. What type of star dominates the counts if x is flatter t ...
... than 1M , whose lifetimes are shorter than the age of the galaxy. a) Find the slope x such that an observer in a homogeneous, isotropic region counts, at every apparent bolmetric magnitude, equal numbers of stars in each octave of luminosity. What type of star dominates the counts if x is flatter t ...
Homework PHY121 (Astronomy
... particular object, animal or person to the people in ancient cultures. Most stars in such groupings, however, only seem to be related to each other. In reality, they have very different distances to us. If one would look at a given constellation, say Cassiopeia, which forms a big “W” on our sky, fro ...
... particular object, animal or person to the people in ancient cultures. Most stars in such groupings, however, only seem to be related to each other. In reality, they have very different distances to us. If one would look at a given constellation, say Cassiopeia, which forms a big “W” on our sky, fro ...
Homework 5 (stellar properties)
... 6. (3 pts.) What two observations/measurements would you make to classify a star according to its luminosity (i.e., luminosity class, e.g., Ia, Ib, II, III, IV, or V)? (Hint: Look at the HR diagram.) Which equation relates these two quantities to the size (radius) of a star (after all, the luminosit ...
... 6. (3 pts.) What two observations/measurements would you make to classify a star according to its luminosity (i.e., luminosity class, e.g., Ia, Ib, II, III, IV, or V)? (Hint: Look at the HR diagram.) Which equation relates these two quantities to the size (radius) of a star (after all, the luminosit ...
Scientists classify stars by
... 3. Massive stars will become red supergiants. 4. This phase will last until the star exhausts its remaining fuel. 5. At this point, the star will collapse. ...
... 3. Massive stars will become red supergiants. 4. This phase will last until the star exhausts its remaining fuel. 5. At this point, the star will collapse. ...
hw4
... radial motion, magnetic properties, rotation, and color to be determined. An indication (but not direct measurement) of stellar radius, mass, and absolute magnitude can also be obtained from spectral information. The temperature can be determined by scanning the spectrum for the peak (most intense) ...
... radial motion, magnetic properties, rotation, and color to be determined. An indication (but not direct measurement) of stellar radius, mass, and absolute magnitude can also be obtained from spectral information. The temperature can be determined by scanning the spectrum for the peak (most intense) ...
Constants and Equations
... a) AM CVn stars are binary systems with an orbital period of less than 65 minutes. b) AM CVn stars may produce a type II supernova after the white dwarf reaches a critical mass. c) AM CVn stars are sources of gravitational waves. d) AM CVn stars are binary systems where a white dwarf accretes mass f ...
... a) AM CVn stars are binary systems with an orbital period of less than 65 minutes. b) AM CVn stars may produce a type II supernova after the white dwarf reaches a critical mass. c) AM CVn stars are sources of gravitational waves. d) AM CVn stars are binary systems where a white dwarf accretes mass f ...
