PHYS3380_102815_bw - The University of Texas at Dallas
... XZ Tauri - young system with two stars orbiting each other - separated by about 6 billion kilometers (about the distance from the Sun to Pluto) - shows bubble of hot, glowing gas extending nearly 96 billion kilometers from this young star system. - appears much broader than the narrow jets seen in o ...
... XZ Tauri - young system with two stars orbiting each other - separated by about 6 billion kilometers (about the distance from the Sun to Pluto) - shows bubble of hot, glowing gas extending nearly 96 billion kilometers from this young star system. - appears much broader than the narrow jets seen in o ...
Tasks - ESA Science
... Observatories in Chile have presented ever deeper and more spectacular views of the Universe. However, Hubble and the ESO telescopes have not just provided stunning new images, they are also invaluable tools for astronomers. The telescopes have excellent spatial/angular resolution (image sharpness) ...
... Observatories in Chile have presented ever deeper and more spectacular views of the Universe. However, Hubble and the ESO telescopes have not just provided stunning new images, they are also invaluable tools for astronomers. The telescopes have excellent spatial/angular resolution (image sharpness) ...
Goal: To understand clusters of stars
... • Open clusters are YOUNG clusters that drift apart in about a billion years. • As viewed from Earth you tend to see the blue high mass stars. • Those are always young stars as they don’t last long. • These are clusters with stars of equal age, distance, and composition, but range in mass. ...
... • Open clusters are YOUNG clusters that drift apart in about a billion years. • As viewed from Earth you tend to see the blue high mass stars. • Those are always young stars as they don’t last long. • These are clusters with stars of equal age, distance, and composition, but range in mass. ...
Goal: To understand clusters of stars
... • Open clusters are YOUNG clusters that drift apart in about a billion years. • As viewed from Earth you tend to see the blue high mass stars. • Those are always young stars as they don’t last long. • These are clusters with stars of equal age, distance, and composition, but range in mass. ...
... • Open clusters are YOUNG clusters that drift apart in about a billion years. • As viewed from Earth you tend to see the blue high mass stars. • Those are always young stars as they don’t last long. • These are clusters with stars of equal age, distance, and composition, but range in mass. ...
PH607 – Galaxies
... Components: Almost 90% of its mass cannot be accounted for (the "dark matter" problem). The Local Group: It then goes on to consider how the Milky Way fits in with what we see in other galaxies, and what the morphologies of these systems tell us about their life histories. Evolution: Galaxies are no ...
... Components: Almost 90% of its mass cannot be accounted for (the "dark matter" problem). The Local Group: It then goes on to consider how the Milky Way fits in with what we see in other galaxies, and what the morphologies of these systems tell us about their life histories. Evolution: Galaxies are no ...
STELLAR CLASSIFICATIONS: TYPE “O” STARS
... The one biggest plus to “M” class stars is that they live a very long time. 56 billion years on average. With lifespans more than 5 times that of the sun, there’s plenty of time for life to evolve around a star such as this. Color: These stars appear orange-red in the visible spectrum, but emit most ...
... The one biggest plus to “M” class stars is that they live a very long time. 56 billion years on average. With lifespans more than 5 times that of the sun, there’s plenty of time for life to evolve around a star such as this. Color: These stars appear orange-red in the visible spectrum, but emit most ...
Lab 7
... Introduction: By looking at an apparently flat background of stars at night or at a star chart printed on a page, we often forget about the three-dimensional nature of the universe. In this exercise, you will construct (with welding rods and Styrofoam balls) a model of nearby space including many of ...
... Introduction: By looking at an apparently flat background of stars at night or at a star chart printed on a page, we often forget about the three-dimensional nature of the universe. In this exercise, you will construct (with welding rods and Styrofoam balls) a model of nearby space including many of ...
The Origin, Structure, and Evolution of the Stars
... that are about 100 times brighter than the sun lying above and to the right of the main sequence A few stars are found in the supergiant region at the upper edge of the diagram and another group of white and yellow stars hundreds of times less luminous than the sun called white dwarfs is found in th ...
... that are about 100 times brighter than the sun lying above and to the right of the main sequence A few stars are found in the supergiant region at the upper edge of the diagram and another group of white and yellow stars hundreds of times less luminous than the sun called white dwarfs is found in th ...
Solutions to the 1 st Astronomy Exam
... 10. In about 300 B.C.E. Aristotle wrote “Of these fixed poles the one is always visible, being above our heads in the northern region of the sky, and is called the Arctic Pole; the other is always hidden beneath the earth to the south and is called the Antarctic Pole.” Why did Aristotle not mention ...
... 10. In about 300 B.C.E. Aristotle wrote “Of these fixed poles the one is always visible, being above our heads in the northern region of the sky, and is called the Arctic Pole; the other is always hidden beneath the earth to the south and is called the Antarctic Pole.” Why did Aristotle not mention ...
Visual Measurements of the Multiple Star
... pattern of (1) calibration of the eyepiece, (2) collecting Pulkowa. The principle instrument was an equatorial separation and position angle measurements on a refractor with a 15-inch objective lens. This was the “known “ double star (a system that has been exten- largest refractor in the world at t ...
... pattern of (1) calibration of the eyepiece, (2) collecting Pulkowa. The principle instrument was an equatorial separation and position angle measurements on a refractor with a 15-inch objective lens. This was the “known “ double star (a system that has been exten- largest refractor in the world at t ...
The Milky Way`s Restless Swarms of Stars
... The Milky Way’s Restless Swarms of Stars The night sky would look spectacular from a planet near the core of a globular cluster, one of the Milky Way’s compact swarms of stars. Instead of the paltry few stars we see within several light-years of our sun, cluster aliens would face a vista of 100,000 ...
... The Milky Way’s Restless Swarms of Stars The night sky would look spectacular from a planet near the core of a globular cluster, one of the Milky Way’s compact swarms of stars. Instead of the paltry few stars we see within several light-years of our sun, cluster aliens would face a vista of 100,000 ...
The formation of the galaxy is believed to be similar
... Measurement of the position and motion of gas clouds shows that the Milky Way has a spiral form: ...
... Measurement of the position and motion of gas clouds shows that the Milky Way has a spiral form: ...
THE MONTHLY SKY GUIDE, SIXTH EDITION
... streak of light dash across the sky like a cosmic laser beam, lasting no more than a second or so. This is a meteor, popularly termed a shooting star. Do not misidentify shooting stars with satellites or high-flying aeroplanes, which look like moving stars but drift at a more leisurely pace. Despite ...
... streak of light dash across the sky like a cosmic laser beam, lasting no more than a second or so. This is a meteor, popularly termed a shooting star. Do not misidentify shooting stars with satellites or high-flying aeroplanes, which look like moving stars but drift at a more leisurely pace. Despite ...
Brown et al. 2008 Studying Resolved Stellar
... history of star formation and metal enrichment in the Universe. JWST will pursue this goal primarily by searching for luminous objects at very high redshift. An important complement to the high-redshift observations will be studies of stellar populations in nearby galaxies, including our own, to det ...
... history of star formation and metal enrichment in the Universe. JWST will pursue this goal primarily by searching for luminous objects at very high redshift. An important complement to the high-redshift observations will be studies of stellar populations in nearby galaxies, including our own, to det ...
Science Grade 08 Unit 11 Exemplar Lesson 02: Classifying Stars
... continue to answer questions. Monitor students’ answers for accuracy as they complete the questions. 7. Divide the class into groups of four, and distribute card sets from Handout: Star Life Cycles to each group. 8. Instruct students to place the cards in the order that they think is an appropriate ...
... continue to answer questions. Monitor students’ answers for accuracy as they complete the questions. 7. Divide the class into groups of four, and distribute card sets from Handout: Star Life Cycles to each group. 8. Instruct students to place the cards in the order that they think is an appropriate ...
JHK standard stars for large telescopes: the UKIRT Fundamental
... a fixed dynamic range, and as its sensitivity increases, so the brightest measurable sources become fainter. This is well illustrated by developments at UKIRT. After 1985 the IRCAM series of instruments (McLean et al. 1986) became the ‘workhorse’ imagers. The last of these, IRCAM3 (Puxley et al. 199 ...
... a fixed dynamic range, and as its sensitivity increases, so the brightest measurable sources become fainter. This is well illustrated by developments at UKIRT. After 1985 the IRCAM series of instruments (McLean et al. 1986) became the ‘workhorse’ imagers. The last of these, IRCAM3 (Puxley et al. 199 ...
the UKIRT Fundamental and Extended lists
... a fixed dynamic range, and as its sensitivity increases, so the brightest measurable sources become fainter. This is well illustrated by developments at UKIRT. After 1985 the IRCAM series of instruments (McLean et al. 1986) became the ‘workhorse’ imagers. The last of these, IRCAM3 (Puxley et al. 199 ...
... a fixed dynamic range, and as its sensitivity increases, so the brightest measurable sources become fainter. This is well illustrated by developments at UKIRT. After 1985 the IRCAM series of instruments (McLean et al. 1986) became the ‘workhorse’ imagers. The last of these, IRCAM3 (Puxley et al. 199 ...
Document
... • If you can see both stars in the spectrum, then you may be able to use Doppler shifts to measure the radial velocities of both stars. This gives you the mass ratio, regardless of the viewing angle (e.g. nearly face-on, nearly edgeon, etc.). This is usually useful information. • If you can find the ...
... • If you can see both stars in the spectrum, then you may be able to use Doppler shifts to measure the radial velocities of both stars. This gives you the mass ratio, regardless of the viewing angle (e.g. nearly face-on, nearly edgeon, etc.). This is usually useful information. • If you can find the ...
File
... the monster whose gaze turned people into stone. When Perseus decapitated her. It was tamed by the hero whose name was Bellerophon, the son of the Corinthian king Glaucus and the grandson of Sisyphus. The hero helped the Goddess Athena. In Greek mythology, he is best known for slaying the Chimera, a ...
... the monster whose gaze turned people into stone. When Perseus decapitated her. It was tamed by the hero whose name was Bellerophon, the son of the Corinthian king Glaucus and the grandson of Sisyphus. The hero helped the Goddess Athena. In Greek mythology, he is best known for slaying the Chimera, a ...
View the sky`s greatest nebula
... In the winter, we see the sky opposite the stellar traffic jam found toward the galaxy’s center. The winter Milky Way is there, but you need a dark sky to see it with unaided eyes. The winter sky is the brightest of the seasonal skies — it contains the highest concentration of bright stars — and its ...
... In the winter, we see the sky opposite the stellar traffic jam found toward the galaxy’s center. The winter Milky Way is there, but you need a dark sky to see it with unaided eyes. The winter sky is the brightest of the seasonal skies — it contains the highest concentration of bright stars — and its ...
Chapter 12 Star Stuff How do stars form?
... • This is a simulation of an interstellar cloud containing 50 solar masses of gas • It is turbulent, and the random motions cause it to become lumpy • Lumps that are dense enough to collapse go on to become stars • A large cloud can make a whole cluster of stars ...
... • This is a simulation of an interstellar cloud containing 50 solar masses of gas • It is turbulent, and the random motions cause it to become lumpy • Lumps that are dense enough to collapse go on to become stars • A large cloud can make a whole cluster of stars ...
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... Self gravitating sphere (or almost sphere) of gas with a finite definable radius, not easily deformed, not like a cloud in the Earth’s atmosphere Nuclear reactions occur at least to the point where 3 He is produced. radiates energy into the surrounding medium. Jupiter also does this, some internal h ...
... Self gravitating sphere (or almost sphere) of gas with a finite definable radius, not easily deformed, not like a cloud in the Earth’s atmosphere Nuclear reactions occur at least to the point where 3 He is produced. radiates energy into the surrounding medium. Jupiter also does this, some internal h ...
Microsoft Word 97
... 1) The Nuclear Bulge – Our galaxy has the general shape of a pancake with a bulge at its center that contains millions of stars, primarily old ones. This nuclear bulge has the galactic nucleus at its center. The nucleus itself if only about 10 light-years across. 2) The Disk – The part of the pancak ...
... 1) The Nuclear Bulge – Our galaxy has the general shape of a pancake with a bulge at its center that contains millions of stars, primarily old ones. This nuclear bulge has the galactic nucleus at its center. The nucleus itself if only about 10 light-years across. 2) The Disk – The part of the pancak ...
Corona Australis
Corona Australis /kɵˈroʊnə ɒˈstreɪlɨs/ or Corona Austrina /kɵˈroʊnə ɒˈstraɪnə/ is a constellation in the Southern Celestial Hemisphere. Its Latin name means ""southern crown"", and it is the southern counterpart of Corona Borealis, the northern crown. One of the 48 constellations listed by the 2nd-century astronomer Ptolemy, it remains one of the 88 modern constellations. The Ancient Greeks saw Corona Australis as a wreath rather than a crown and associated it with Sagittarius or Centaurus. Other cultures have likened the pattern to a turtle, ostrich nest, a tent, or even a hut belonging to a rock hyrax.Although fainter than its namesake, the oval- or horseshoe-shaped pattern of its brighter stars renders it distinctive. Alpha and Beta Coronae Australis are the two brightest stars with an apparent magnitude of around 4.1. Epsilon Coronae Australis is the brightest example of a W Ursae Majoris variable in the southern sky. Lying alongside the Milky Way, Corona Australis contains one of the closest star-forming regions to our Solar System—a dusty dark nebula known as the Corona Australis Molecular Cloud, lying about 430 light years away. Within it are stars at the earliest stages of their lifespan. The variable stars R and TY Coronae Australis light up parts of the nebula, which varies in brightness accordingly.