featured in the Arizona Daily Star
... composition, we know we have a piece of stardust. By comparing the stardust grain’s composition to theoretical predictions, we can infer the kind of star the grain came from, its mass, its evolutionary state, and its bulk chemical makeup. Once we know the meteorite contains stardust, we probe deeper ...
... composition, we know we have a piece of stardust. By comparing the stardust grain’s composition to theoretical predictions, we can infer the kind of star the grain came from, its mass, its evolutionary state, and its bulk chemical makeup. Once we know the meteorite contains stardust, we probe deeper ...
Take our Astronomy Test
... What is the definition of apparent magnitude and absolute magnitude? How are numbers assigned in the magnitude scale? What is a safe way to observe the Sun? When is the best time to observe Mercury and Venus? When is the best time to observe superior planets? Name two prominent meteor showers and wh ...
... What is the definition of apparent magnitude and absolute magnitude? How are numbers assigned in the magnitude scale? What is a safe way to observe the Sun? When is the best time to observe Mercury and Venus? When is the best time to observe superior planets? Name two prominent meteor showers and wh ...
HR Diagram - TeacherWeb
... luminosity—or how bright a star is. Using the H-R Diagram Gizmo™, you will discover how some of these characteristics are related. Start by moving your cursor over the stars in the Star collection. Star information is displayed on the right side of the Gizmo. The numbers given for Luminosity, Radius ...
... luminosity—or how bright a star is. Using the H-R Diagram Gizmo™, you will discover how some of these characteristics are related. Start by moving your cursor over the stars in the Star collection. Star information is displayed on the right side of the Gizmo. The numbers given for Luminosity, Radius ...
Physics- HSC- Module 9.7 Astrophysics
... Henry Norris Russell independently found that stars could be divided into three groups in a diagram plotting stellar luminosity and surface temperature. Most stars, including our Sun, lie on the main sequence. Rare but very luminous cool stars are called red giants while low luminosity hot stars are ...
... Henry Norris Russell independently found that stars could be divided into three groups in a diagram plotting stellar luminosity and surface temperature. Most stars, including our Sun, lie on the main sequence. Rare but very luminous cool stars are called red giants while low luminosity hot stars are ...
stars & galaxies
... ellipTical galaxy… a flash iN The paN… • Have shapes that range from nearly spherical to a flattened disk. • Have very bright centers. • Do not possess spiral arms. • Do not have young stars and contain very little dust as gas. ...
... ellipTical galaxy… a flash iN The paN… • Have shapes that range from nearly spherical to a flattened disk. • Have very bright centers. • Do not possess spiral arms. • Do not have young stars and contain very little dust as gas. ...
FRAC TRIVIA I QUIZ - Flint River Astronomy Club
... 6. (8 pts.). Name eight Messier objects that are bright enough to be seen without binoculars or a telescope from a dark site in, say, Arizona. 7. (6 pts.). Three Messier objects are referred to as “Pinwheel Galaxy.” What are they, and what constellations are they in? 8. (5 pts.). Name the five types ...
... 6. (8 pts.). Name eight Messier objects that are bright enough to be seen without binoculars or a telescope from a dark site in, say, Arizona. 7. (6 pts.). Three Messier objects are referred to as “Pinwheel Galaxy.” What are they, and what constellations are they in? 8. (5 pts.). Name the five types ...
Measuring Motion, Doppler Effect—28 Oct Outline • Announcements
... How can the two stars move so as to show the same wavelength, for example, as on Oct 1? (If possible, you want explanations that do not depend on special accidents.) A. The stars move in the same direction at the same speed on Oct 1. B. The Doppler effect is insensitive to the orbital motio ...
... How can the two stars move so as to show the same wavelength, for example, as on Oct 1? (If possible, you want explanations that do not depend on special accidents.) A. The stars move in the same direction at the same speed on Oct 1. B. The Doppler effect is insensitive to the orbital motio ...
Journey to the Stars Educator`s Guide
... pressure of gas heated by fusion is balanced by the inward pull of gravity, leaving the star in hydrostatic equilibrium. This balance of forces lasts for most of a star’s life, maintaining its steady temperature. Radiation and convection carry the energy from the core out through a star’s atmosphere ...
... pressure of gas heated by fusion is balanced by the inward pull of gravity, leaving the star in hydrostatic equilibrium. This balance of forces lasts for most of a star’s life, maintaining its steady temperature. Radiation and convection carry the energy from the core out through a star’s atmosphere ...
The Universe - Smithsonian Education
... money to establish an institution of knowledge in Washington, D.C. Smithson, who had never visited the United States, gave no clear indication of what this institution should be. John Quincy Adams, then out of the White House and elected to Congress, urged strongly that it should be an observatory, ...
... money to establish an institution of knowledge in Washington, D.C. Smithson, who had never visited the United States, gave no clear indication of what this institution should be. John Quincy Adams, then out of the White House and elected to Congress, urged strongly that it should be an observatory, ...
chapter15SurveyStars..
... frequencies. http://en.wikipedia.org/wiki/Stefan-Boltzmann_law 2. Hotter objects emit photons with a higher average energy.http://en.wikipedia.org/wiki/Wien%27s_displacement_law ...
... frequencies. http://en.wikipedia.org/wiki/Stefan-Boltzmann_law 2. Hotter objects emit photons with a higher average energy.http://en.wikipedia.org/wiki/Wien%27s_displacement_law ...
Document
... observed ones MUST be YOUNG!!! -> Would you expect to find Life around planets that orbit these massive stars??? ...
... observed ones MUST be YOUNG!!! -> Would you expect to find Life around planets that orbit these massive stars??? ...
Origin of the Solar System
... The Nebular Theory Planetesimals and Protoplanets The nebular theory also explains how the planets could have formed. Weak surface forces held dust grains together, forming loose balls of dust. As these balls of dust collided, they grew larger and larger. ...
... The Nebular Theory Planetesimals and Protoplanets The nebular theory also explains how the planets could have formed. Weak surface forces held dust grains together, forming loose balls of dust. As these balls of dust collided, they grew larger and larger. ...
HERE - Gallopade International
... January 17: The evening sky was clear and the moon had not yet come up. I could see the Evening Star shining brightly on the horizon. However, the Evening Star is not a star at all—it is the planet Venus! From Earth, a planet in our solar system might look like a star, but a planet does not ”twinkle ...
... January 17: The evening sky was clear and the moon had not yet come up. I could see the Evening Star shining brightly on the horizon. However, the Evening Star is not a star at all—it is the planet Venus! From Earth, a planet in our solar system might look like a star, but a planet does not ”twinkle ...
3-color photometry of stellar cluster - Kiepenheuer
... Figure 2: Color magnitude diagram of Hyades (open cluster) and M13 (globular cluster) It’s easily noticeable that inside the CMD of the Hyades mainly all stars lie on the main sequence and only few evolved to red giants. This means that the Hyades are a relatively young star cluster. The CMD of the ...
... Figure 2: Color magnitude diagram of Hyades (open cluster) and M13 (globular cluster) It’s easily noticeable that inside the CMD of the Hyades mainly all stars lie on the main sequence and only few evolved to red giants. This means that the Hyades are a relatively young star cluster. The CMD of the ...
The Milky Way
... ZAMS first; It takes 107 years before 2-3 M stars reach ZAMS; • meanwhile highest mass stars have left MS to become SN • by 108 years many high mass stars have become RGs and SGs, but lowest mass stars still not on ZAMS. • By 109 yr all low mass stars on ZAMS but TURN-OFF down in A stars I.e., all ...
... ZAMS first; It takes 107 years before 2-3 M stars reach ZAMS; • meanwhile highest mass stars have left MS to become SN • by 108 years many high mass stars have become RGs and SGs, but lowest mass stars still not on ZAMS. • By 109 yr all low mass stars on ZAMS but TURN-OFF down in A stars I.e., all ...
Full 11x8.5" Calendar, High Resolution - Chandra X
... This deep image from NASA’s Chandra X-ray Observatory shows the Vela pulsar, a neutron star that was formed when a massive star collapsed. In the upper right is a fast moving jet of particles produced by the pulsar. The pulsar is about 1,000 light years from Earth, and makes over 11 complete rotatio ...
... This deep image from NASA’s Chandra X-ray Observatory shows the Vela pulsar, a neutron star that was formed when a massive star collapsed. In the upper right is a fast moving jet of particles produced by the pulsar. The pulsar is about 1,000 light years from Earth, and makes over 11 complete rotatio ...
Which planet has never been orbited or flown past by a
... • With the deaths of stars, we have to say goodbye to NGC 6397, complete with funeral (see main presentation) • For the remainder of the semester, we focus on galaxies and cosmology, for which there are numerous HST images to exemplify the concepts. • My particular favorites are the Hubble Deep Fiel ...
... • With the deaths of stars, we have to say goodbye to NGC 6397, complete with funeral (see main presentation) • For the remainder of the semester, we focus on galaxies and cosmology, for which there are numerous HST images to exemplify the concepts. • My particular favorites are the Hubble Deep Fiel ...
procedure processing the data - Mr. Traeger`s Earth Science
... light intensity to be 1/4 as great. See how well your data agree by dividing the light intensity value at 60 cm by the light intensity value at 30 cm. Show your work below. How close is your value to 0.25 (1/4)? Does your data support an inverse square relationship for light intensity and distance? ...
... light intensity to be 1/4 as great. See how well your data agree by dividing the light intensity value at 60 cm by the light intensity value at 30 cm. Show your work below. How close is your value to 0.25 (1/4)? Does your data support an inverse square relationship for light intensity and distance? ...
Evolution of a Star
... Once the red giant’s core uses its supply of helium, it contracts even more. As the core runs out of fuel, the outer layers escape into space. This leaves behind the hot dense core. The core contracts under the force of gravity. At this stage in a star’s evolution, it is a white dwarf. A white dwarf ...
... Once the red giant’s core uses its supply of helium, it contracts even more. As the core runs out of fuel, the outer layers escape into space. This leaves behind the hot dense core. The core contracts under the force of gravity. At this stage in a star’s evolution, it is a white dwarf. A white dwarf ...
Astrobiology: young science, old questions
... the Sun’s mass, below our 1 Gyr minimum age to all young stars, over paedia, http://exoplanet.eu/catalog-all.php, 15 which objects can not sustain hydrogen fusion in 10% of all stellar systems are excluded. October 2010). On average, 10 new planets are their cores. The most massive are over 100 time ...
... the Sun’s mass, below our 1 Gyr minimum age to all young stars, over paedia, http://exoplanet.eu/catalog-all.php, 15 which objects can not sustain hydrogen fusion in 10% of all stellar systems are excluded. October 2010). On average, 10 new planets are their cores. The most massive are over 100 time ...
Star
... explosions are called supernovas. • During the outburst, the outer layer of the star is ejected at high speed. • After reaching maximum brightness in a few days, the nova slowly returns in a year or so to its original brightness. ...
... explosions are called supernovas. • During the outburst, the outer layer of the star is ejected at high speed. • After reaching maximum brightness in a few days, the nova slowly returns in a year or so to its original brightness. ...