(HR) Diagrams
... a. For instance, in the range of A type stars, how many A sub-types are there and what are their names? b. Write down the spectral class of the sub-type halfway between K and M. 6. Which is the hottest type of star, O, B, A, F, G, K or M? Circle the hottest type. 7. Which is the coldest type of star ...
... a. For instance, in the range of A type stars, how many A sub-types are there and what are their names? b. Write down the spectral class of the sub-type halfway between K and M. 6. Which is the hottest type of star, O, B, A, F, G, K or M? Circle the hottest type. 7. Which is the coldest type of star ...
Astronomy.Practice.Quiz3
... 13. After the red giant phase, the next phase for a medium mass star is: a. nova b. planetary nebula c. white dwarf 14. This is how bright a star appears on Earth. a. apparent magnitude b. absolute magnitude ...
... 13. After the red giant phase, the next phase for a medium mass star is: a. nova b. planetary nebula c. white dwarf 14. This is how bright a star appears on Earth. a. apparent magnitude b. absolute magnitude ...
Stars and Galaxies
... 24. Astronomers use spectrographs to study the ___________________ of stars to identify properties of stars. 25. Spectrographs break ______________________ into its component colors. 26. Dark lines are in the spectrum of a star. 27. The dark lines are caused by _____________________ in the star’s at ...
... 24. Astronomers use spectrographs to study the ___________________ of stars to identify properties of stars. 25. Spectrographs break ______________________ into its component colors. 26. Dark lines are in the spectrum of a star. 27. The dark lines are caused by _____________________ in the star’s at ...
PH109 Exploring the Universe, Test 3, Fall 2001 Please indicate the
... 30. The bubbling of the Sun's surface is seen as a) solar wind, b) solar flares, c) granulation, d) corona 31. All stars with masses equal to or greater than the sun expand to become a) red giants, b) super novae, c) white dwarfs, d) blue giants 32. About how old do astronomers think the sun is a) 1 ...
... 30. The bubbling of the Sun's surface is seen as a) solar wind, b) solar flares, c) granulation, d) corona 31. All stars with masses equal to or greater than the sun expand to become a) red giants, b) super novae, c) white dwarfs, d) blue giants 32. About how old do astronomers think the sun is a) 1 ...
Apparent Magnitude
... map of the “celestial sphere”. Hipparchus not only wanted to locate each star’s position on his map, but also to indicate the brightness of each star. To do this Hipparchus invented the concept of stellar magnitude. Hipparchus designated the brightest stars as stars of the first magnitude. The dimme ...
... map of the “celestial sphere”. Hipparchus not only wanted to locate each star’s position on his map, but also to indicate the brightness of each star. To do this Hipparchus invented the concept of stellar magnitude. Hipparchus designated the brightest stars as stars of the first magnitude. The dimme ...
Patterns in the Sky
... - Different cultures named the same constellations differently as they used their imagination to group the stars. - Orion (a great hunter), named by the Greeks, was also named as a canoe by the First Nations peoples of North America. - Official constellations have names from the Greeks and Arabic my ...
... - Different cultures named the same constellations differently as they used their imagination to group the stars. - Orion (a great hunter), named by the Greeks, was also named as a canoe by the First Nations peoples of North America. - Official constellations have names from the Greeks and Arabic my ...
Dim Stars - granthamkuehl
... Stars come in a range of sizes and masses. Our Sun is a mediumsized star. The largest stars, giant stars have a mass of about 60 times the mass of the Sun. ...
... Stars come in a range of sizes and masses. Our Sun is a mediumsized star. The largest stars, giant stars have a mass of about 60 times the mass of the Sun. ...
Lecture 10: Stars
... & Read Chap 15.1: Properties of Stars & Overview read for recitation Chap S3: Spacetime & Gravity (Black Holes) & First Mid-Term Exam in class today (9:50am) -- 50 minutes & Observatory #3 was last night & Homework #4 due on in class on Tues & Fiske Planetarium next Thur (20 Feb) on “Black Hol ...
... & Read Chap 15.1: Properties of Stars & Overview read for recitation Chap S3: Spacetime & Gravity (Black Holes) & First Mid-Term Exam in class today (9:50am) -- 50 minutes & Observatory #3 was last night & Homework #4 due on in class on Tues & Fiske Planetarium next Thur (20 Feb) on “Black Hol ...
Star - Uplift Education
... their spectral types(color) /classifications or surface temperature. It shows stars of different ages and in different stages, all at the same time. ...
... their spectral types(color) /classifications or surface temperature. It shows stars of different ages and in different stages, all at the same time. ...
Hertzsprung-Russell (H-R) Diagram Hertzsprung-Russell Diagram March 16 −
... • Fri & Sat, 9-11pm, if it is not cloudy. • Mar 18 & 19 • Apr 15 & 16 • May 13 & 14 • 24-inch telescope in dome • small telescopes outside ...
... • Fri & Sat, 9-11pm, if it is not cloudy. • Mar 18 & 19 • Apr 15 & 16 • May 13 & 14 • 24-inch telescope in dome • small telescopes outside ...
March
... standard planetary nebula with a 16th magnitude central star. The unusual appearance is due to the angle of the nebular ring that is expanding outward from the white dwarf at about 42 K/sec. Most of the visible light is emitted in the OIII doubly ionized Oxygen band so the use of a nebula or OIII fi ...
... standard planetary nebula with a 16th magnitude central star. The unusual appearance is due to the angle of the nebular ring that is expanding outward from the white dwarf at about 42 K/sec. Most of the visible light is emitted in the OIII doubly ionized Oxygen band so the use of a nebula or OIII fi ...
Study Guide for the 4TH Astronomy Exam
... b. Identify the “ashes” of H-burning and He-burning 4. Mass loss and Death of Low-Mass Stars a. Match the stage of the Sun’s future evolution with the mechanism of energy production in that stage. b. Identify on an HR diagram the stage of the Sun’s evolution and its mechanism of energy production. c ...
... b. Identify the “ashes” of H-burning and He-burning 4. Mass loss and Death of Low-Mass Stars a. Match the stage of the Sun’s future evolution with the mechanism of energy production in that stage. b. Identify on an HR diagram the stage of the Sun’s evolution and its mechanism of energy production. c ...
Luminosity
... The Nearest Stars • If the sun were a golf ball the nearest star would be in Comox • αCentauri is nearest star at 4light years then Barnard’s star ...
... The Nearest Stars • If the sun were a golf ball the nearest star would be in Comox • αCentauri is nearest star at 4light years then Barnard’s star ...
What is the net result of the proton-proton chain? a. 2 protons make
... b. The brightest stars in old globular clusters are red giants c. The open clusters have as many members as the globular clusters, but spread their members stars over a much larger volume d. The turn-off point will be lower down the main sequence for older clusters e. We now observe the recent forma ...
... b. The brightest stars in old globular clusters are red giants c. The open clusters have as many members as the globular clusters, but spread their members stars over a much larger volume d. The turn-off point will be lower down the main sequence for older clusters e. We now observe the recent forma ...
Test #3
... a. Hydrogen, b. Helium, c. Carbon, d. Oxygen 14. The total mass of a binary system can be calculated from a. the ratio of the angular separation from the center of mass of each of the stars. b. the distance to the binary and its radial velocity. c. the semi major axis and period of the orbit. d. the ...
... a. Hydrogen, b. Helium, c. Carbon, d. Oxygen 14. The total mass of a binary system can be calculated from a. the ratio of the angular separation from the center of mass of each of the stars. b. the distance to the binary and its radial velocity. c. the semi major axis and period of the orbit. d. the ...
Sky Watching Talk
... of stars all in roughly the same direction from Earth, BUT …. Each has its own different distance from the Earth – Therefore, NOT grouped together is space ...
... of stars all in roughly the same direction from Earth, BUT …. Each has its own different distance from the Earth – Therefore, NOT grouped together is space ...
RMH_Stellar_Evolution_Ast2001_09_29_09
... Indirect: -- must know distance Luminosity – depends on surface area (size) and temperature (Stefan-Boltzman Law) Mass -- with luminosity + physics , mass – luminosity relation ...
... Indirect: -- must know distance Luminosity – depends on surface area (size) and temperature (Stefan-Boltzman Law) Mass -- with luminosity + physics , mass – luminosity relation ...
Document
... • We define our age by trips around the Sun. • How many trips of Sun around Milky Way? R = 8.5 kpc V = 220km/s P = 2.5x108 yrs ...
... • We define our age by trips around the Sun. • How many trips of Sun around Milky Way? R = 8.5 kpc V = 220km/s P = 2.5x108 yrs ...
Reading Preview
... A star’s ________ gives clues about the star’s temperature. The coolest stars appear ________. The hottest stars appear ________. Very large stars are called ________ stars or ____________ stars. Our sun is a medium sized ________. Most stars are ________ than the sun. White dwarf stars are abou ...
... A star’s ________ gives clues about the star’s temperature. The coolest stars appear ________. The hottest stars appear ________. Very large stars are called ________ stars or ____________ stars. Our sun is a medium sized ________. Most stars are ________ than the sun. White dwarf stars are abou ...
M WHITE DWAR F The WhiTe-hoT Core
... anolo had seen Sirius many times. It’s one of the closest stars to Earth. But as the Stella flew closer, he spotted something unexpected. “Kara, aim the Star Reader at that little white dot next to Sirius,” he ordered. ...
... anolo had seen Sirius many times. It’s one of the closest stars to Earth. But as the Stella flew closer, he spotted something unexpected. “Kara, aim the Star Reader at that little white dot next to Sirius,” he ordered. ...
Using a Planisphere - Amateur Observers` Society of New York
... Wheel). Print the accompanying pieces and follow the instructions for construction. It will help you find the stars and constellations at any time during the year from our latitude. Notice how the night sky changes each hour, day and month as the stars continually rise in the East and set in the Wes ...
... Wheel). Print the accompanying pieces and follow the instructions for construction. It will help you find the stars and constellations at any time during the year from our latitude. Notice how the night sky changes each hour, day and month as the stars continually rise in the East and set in the Wes ...
Star Life Cycle Computer Lab
... 12. What is the 3rd fuel that stars can use after Hydrogen and Helium? The Beginning of the End 13. When a star is fusing helium, what stage of its life is it considered? What type of star is this? 14. Do the helium lab and Star Quiz 2. End of a Star 15. What are the 3 possible deaths of a star? 16. ...
... 12. What is the 3rd fuel that stars can use after Hydrogen and Helium? The Beginning of the End 13. When a star is fusing helium, what stage of its life is it considered? What type of star is this? 14. Do the helium lab and Star Quiz 2. End of a Star 15. What are the 3 possible deaths of a star? 16. ...
Chapter 21 Study Guide
... through space in the form of waves. 3. The distance between the crest of one wave and the crest of the next wave is called a ________________. 4. A range of different wavelengths is called a __________________________. 5. List the colors that form the spectrum of visible light.______________________ ...
... through space in the form of waves. 3. The distance between the crest of one wave and the crest of the next wave is called a ________________. 4. A range of different wavelengths is called a __________________________. 5. List the colors that form the spectrum of visible light.______________________ ...