Exam 3 Study Guide
... What are some differences in stellar populations between different regions of a spiral galaxy? How do stars move in the disk of a galaxy? How do stars move in the bulge of a spiral galaxy? Do you ever see halo stars in the disk of a galaxy ? If so, how could you distinguish a halo star from a ...
... What are some differences in stellar populations between different regions of a spiral galaxy? How do stars move in the disk of a galaxy? How do stars move in the bulge of a spiral galaxy? Do you ever see halo stars in the disk of a galaxy ? If so, how could you distinguish a halo star from a ...
PPT file
... Similar to our sun (stays like this for most of their life) These burn H fuel faster than low mass stars and last only about 10 billion years ...
... Similar to our sun (stays like this for most of their life) These burn H fuel faster than low mass stars and last only about 10 billion years ...
Celestial Equator
... Some of the current constellations can be traced back to the inhabitants of the Euphrates valley, from whom they were handed down through the Greeks and Arabs. Few pictorial records of the ancient constellation figures have survived, but in the Almagest AD 150, Ptolemy catalogued the positions of 1, ...
... Some of the current constellations can be traced back to the inhabitants of the Euphrates valley, from whom they were handed down through the Greeks and Arabs. Few pictorial records of the ancient constellation figures have survived, but in the Almagest AD 150, Ptolemy catalogued the positions of 1, ...
Part A
... Different parts of the electromagnetic spectrum have different wavelengths and different energies. You can see only a small part of the energy in these wavelengths. ...
... Different parts of the electromagnetic spectrum have different wavelengths and different energies. You can see only a small part of the energy in these wavelengths. ...
The Death of Stars
... • The Sun will become a carbon/oxygen white dwarf with a mass of 0.6Msun. • Stars up to 8Msun become carbon/oxygen white dwarfs with masses up to ~1.1Msun. • Stars below 0.45Msun aren’t massive enough to burn helium in their core and become helium white dwarfs. • Stars with masses from 8-10Msun have ...
... • The Sun will become a carbon/oxygen white dwarf with a mass of 0.6Msun. • Stars up to 8Msun become carbon/oxygen white dwarfs with masses up to ~1.1Msun. • Stars below 0.45Msun aren’t massive enough to burn helium in their core and become helium white dwarfs. • Stars with masses from 8-10Msun have ...
Lecture17
... Some stars are cool and thus red, but as bright as the blue main sequence stars. How can this be? They emit less light per square meter than a blue main sequence star, but, they are much, much bigger (more square meters)! ...
... Some stars are cool and thus red, but as bright as the blue main sequence stars. How can this be? They emit less light per square meter than a blue main sequence star, but, they are much, much bigger (more square meters)! ...
GET WORKSHEETS FROM MY ASSIGNMENTS PAGE Mrs
... 4.The most likely star color to have a planet with life would be ____ because: a. b. Consider Life Span and Life Zone size ...
... 4.The most likely star color to have a planet with life would be ____ because: a. b. Consider Life Span and Life Zone size ...
STAR TYPES
... about 20 times as massive as the Sun about 14,000 times brighter than the Sun, and about 600 light-years from Earth. BLUE GIANT A blue giant is a huge, very hot, blue star. It is a post-main sequence star that burns helium. SUPERGIANT A supergiant is the largest known type of star; some are almost a ...
... about 20 times as massive as the Sun about 14,000 times brighter than the Sun, and about 600 light-years from Earth. BLUE GIANT A blue giant is a huge, very hot, blue star. It is a post-main sequence star that burns helium. SUPERGIANT A supergiant is the largest known type of star; some are almost a ...
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. ...
Astronomy_Stars_n_Galaxies_PowerPoint
... • In the 1920’s, American astronomer Edwin Hubble discovered that the light given off by a star or galaxy gets “stretched” if it is moving away from us. This causes the light being given off to have a longer wavelength and the object to appear redder than it really is. This is called the red shift. ...
... • In the 1920’s, American astronomer Edwin Hubble discovered that the light given off by a star or galaxy gets “stretched” if it is moving away from us. This causes the light being given off to have a longer wavelength and the object to appear redder than it really is. This is called the red shift. ...
OBAFGKM(LT) extra credit due today. Mid
... Last Time: Stars “Luminosity class” is added to the spectral type, telling you if it’s main-sequence (a “dwarf”, V), giant (III), or super-giant star (I). The sun is a G2 V. Stars occur in smaller “open” and giant “globular” clusters, with hundreds to millions of stars. Stars in clusters born at th ...
... Last Time: Stars “Luminosity class” is added to the spectral type, telling you if it’s main-sequence (a “dwarf”, V), giant (III), or super-giant star (I). The sun is a G2 V. Stars occur in smaller “open” and giant “globular” clusters, with hundreds to millions of stars. Stars in clusters born at th ...
File - 5th Grade Science Almost done!!!!!!!!!
... • The first thing the students do when they enter the room is write down the homework (see next slide) in stone-silence. • After about 20 to 30 seconds of silence I tell the students “Please begin the warm up.” • Please go through the ppt with the students. Students will have to write items in blue ...
... • The first thing the students do when they enter the room is write down the homework (see next slide) in stone-silence. • After about 20 to 30 seconds of silence I tell the students “Please begin the warm up.” • Please go through the ppt with the students. Students will have to write items in blue ...
Astronomy_Stellar_Evolution_and_Type_II_Supernovae_Exam
... 12) 200,000 light years away the Small Magellanic Cloud is a ‘little brother’ to our Milky Way. What “super-bubble rich” component of this cloud is particularly useful in the study of Stellar Life Cycles? 13) This Nebula in the Sagittarius arm of our Milky Way Galaxy is actually just one of six brig ...
... 12) 200,000 light years away the Small Magellanic Cloud is a ‘little brother’ to our Milky Way. What “super-bubble rich” component of this cloud is particularly useful in the study of Stellar Life Cycles? 13) This Nebula in the Sagittarius arm of our Milky Way Galaxy is actually just one of six brig ...
Part 1: If a 10000 K blackbody has a wavelength of peak emission at
... Here is an example that got ½ credit – again even though it’s not even close to correct: “You determine the age by looking at the stars around it. Since they are in a stellar cluster they are the same age. The age of the star is 2 times the age of the Sun.” ...
... Here is an example that got ½ credit – again even though it’s not even close to correct: “You determine the age by looking at the stars around it. Since they are in a stellar cluster they are the same age. The age of the star is 2 times the age of the Sun.” ...
Star Show FACILITATOR NOTES
... vision. Many of the brighter stars (including red Betelgeuse bluish Rigel, both in the constellation Orion) have rather distinctive color tints. Astronomers typically measure color either using a spectrometer or by taking a pair of photographs using different colored filters and either method yields ...
... vision. Many of the brighter stars (including red Betelgeuse bluish Rigel, both in the constellation Orion) have rather distinctive color tints. Astronomers typically measure color either using a spectrometer or by taking a pair of photographs using different colored filters and either method yields ...
AST 301 Introduction to Astronomy - University of Texas Astronomy
... Since distance α 1 / parallax, Spica must be at twice the distance of Canopus. (The numbers are 100 pc and 200 pc, but you don’t need to know that.) The more distant star (Spica) appears fainter. Since it is twice as distant as Canopus, it appears 4 times fainter, or ¼ as bright. We could use the ma ...
... Since distance α 1 / parallax, Spica must be at twice the distance of Canopus. (The numbers are 100 pc and 200 pc, but you don’t need to know that.) The more distant star (Spica) appears fainter. Since it is twice as distant as Canopus, it appears 4 times fainter, or ¼ as bright. We could use the ma ...
Globular Clusters - Lick Observatory
... By using this equation: d = 10 0.2 (m - M+ 5+ Ar) We can find the distance to our cluster. d= distance [in parsecs] M=absolute magnitude [the actual brightness] m=apparent [how bright the star appears to us] Ar=Extinction [amount of dust in-between us and our cluster] ...
... By using this equation: d = 10 0.2 (m - M+ 5+ Ar) We can find the distance to our cluster. d= distance [in parsecs] M=absolute magnitude [the actual brightness] m=apparent [how bright the star appears to us] Ar=Extinction [amount of dust in-between us and our cluster] ...
Chapter 8 - TeacherWeb
... have the same mass as the sun or smaller. It is a hot star that is just the leftover center of an older star. It does not have any hydrogen left and can shine for billions of years before it cools completely. ...
... have the same mass as the sun or smaller. It is a hot star that is just the leftover center of an older star. It does not have any hydrogen left and can shine for billions of years before it cools completely. ...
Observing the Night Sky - Constellations
... Auriga, the charioteer. To the west of Auriga is the weakly defined, but large constellation of Perseus. Perseus was famous in Greek legends for slaying the Gorgon Medusa, and rescuing the beautiful Andromeda, whom he found chained to a rock about to be eaten by a sea-monster. To the East and a litt ...
... Auriga, the charioteer. To the west of Auriga is the weakly defined, but large constellation of Perseus. Perseus was famous in Greek legends for slaying the Gorgon Medusa, and rescuing the beautiful Andromeda, whom he found chained to a rock about to be eaten by a sea-monster. To the East and a litt ...
Galactic astronomy - Sierra College Astronomy Home Page
... Must be observed at radio, infrared, and x-rays. Sgr A* ...
... Must be observed at radio, infrared, and x-rays. Sgr A* ...
Ch 11c and 12 ( clusters 3-31-11)
... becomes a protostar surrounded by a spinning disk of gas. • When core gets hot enough (10 million K), fusion of hydrogen begins and stops the shrinking • New star achieves long-lasting state of balance (main sequence ...
... becomes a protostar surrounded by a spinning disk of gas. • When core gets hot enough (10 million K), fusion of hydrogen begins and stops the shrinking • New star achieves long-lasting state of balance (main sequence ...
Exploring Stars - Discovery Education
... researched; each group should have at least one person who made a flipbook for a small star, one who made a flipbook for a medium star, and one student who made a flipbook for a large star. Have them share their flipbooks with one another and ask them to describe the life cycle of the star in their ...
... researched; each group should have at least one person who made a flipbook for a small star, one who made a flipbook for a medium star, and one student who made a flipbook for a large star. Have them share their flipbooks with one another and ask them to describe the life cycle of the star in their ...
Perseus (constellation)
Perseus, named after the Greek mythological hero Perseus, is a constellation in the northern sky. It was one of 48 listed by the 2nd-century astronomer Ptolemy and among the 88 modern constellations defined by the International Astronomical Union (IAU). It is located in the northern celestial hemisphere near several other constellations named after legends surrounding Perseus, including Andromeda to the west and Cassiopeia to the north. Perseus is also bordered by Aries and Taurus to the south, Auriga to the east, Camelopardalis to the north, and Triangulum to the west.The galactic plane of the Milky Way passes through Perseus but is mostly obscured by molecular clouds. The constellation's brightest star is the yellow-white supergiant Alpha Persei (also called Mirfak), which shines at magnitude 1.79. It and many of the surrounding stars are members of an open cluster known as the Alpha Persei Cluster. The best-known star, however, is Algol (Beta Persei), linked with ominous legends because of its variability, which is noticeable to the naked eye. Rather than being an intrinsically variable star, it is an eclipsing binary. Other notable star systems in Perseus include X Persei, a binary system containing a neutron star, and GK Persei, a nova that peaked at magnitude 0.2 in 1901. The Double Cluster, comprising two open clusters quite near each other in the sky, was known to the ancient Chinese. The constellation gives its name to the Perseus Cluster (Abell 426), a massive galaxy cluster located 250 million light-years from Earth. It hosts the radiant of the annual Perseids meteor shower—one of the most prominent meteor showers in the sky.