TheSky6 Review - Sierra College Astronomy Home Page
... 6. Finding the angular separation between two objects. Now select a second named star and click on it. Another dialogue box appears with information about that star. Click on the green protractor at the bottom of the dialogue box. When you do so, you’ll see highlighted within the dialogue box the an ...
... 6. Finding the angular separation between two objects. Now select a second named star and click on it. Another dialogue box appears with information about that star. Click on the green protractor at the bottom of the dialogue box. When you do so, you’ll see highlighted within the dialogue box the an ...
Chapter 13 Neutron Stars and Black Holes
... Gamma-ray bursts also occur, and were first spotted by satellites looking for violations of nuclear test-ban treaties. This map of where the bursts have been observed shows no “clumping” of bursts anywhere, particularly not within the Milky Way. Therefore, the bursts must originate from outside our ...
... Gamma-ray bursts also occur, and were first spotted by satellites looking for violations of nuclear test-ban treaties. This map of where the bursts have been observed shows no “clumping” of bursts anywhere, particularly not within the Milky Way. Therefore, the bursts must originate from outside our ...
Standards
... Have students complete the diagramming the stars worksheet to help them see where different stars are located on the H-R diagram. Students could complete the worksheet as groups or assign each group a question and have them complete the worksheet as a class. Students could individually complete the ...
... Have students complete the diagramming the stars worksheet to help them see where different stars are located on the H-R diagram. Students could complete the worksheet as groups or assign each group a question and have them complete the worksheet as a class. Students could individually complete the ...
upperMS - CWRU Astronomy
... Found in OB associations (20+) and smaller OB subgroups (4-10 stars) from molecular clouds (OMC1). A small group of a few OB stars forms, they evolve and ionize gas. The HII region pushes a shock wave into the molecular cloud and compresses gas to start gravitational collapse for a new group of OB s ...
... Found in OB associations (20+) and smaller OB subgroups (4-10 stars) from molecular clouds (OMC1). A small group of a few OB stars forms, they evolve and ionize gas. The HII region pushes a shock wave into the molecular cloud and compresses gas to start gravitational collapse for a new group of OB s ...
Lab 2
... Vega (in Lyra). This is spectra type A0, served as the basis for the stellar magnitude system (its m() = 0 at all by definition. Albireo (in Cygnus). Put both members of this binary on the slit. HD 192183 (in Cygnus): The central star that ejected the nebula you reduced for Lab 1. NGC 6888. ...
... Vega (in Lyra). This is spectra type A0, served as the basis for the stellar magnitude system (its m() = 0 at all by definition. Albireo (in Cygnus). Put both members of this binary on the slit. HD 192183 (in Cygnus): The central star that ejected the nebula you reduced for Lab 1. NGC 6888. ...
ASTR 1120-001 Final Examination Phil Armitage, Bruce Ferguson
... Jupiter mass planets are fairly abundant, but often have elliptical orbits around their star Massive stars are the most common type of star, and these have short lifetimes ...
... Jupiter mass planets are fairly abundant, but often have elliptical orbits around their star Massive stars are the most common type of star, and these have short lifetimes ...
This Book of Hours calculation is a possible
... that this five pointed star shape is indicative as of the position of the four Royal stars the fifth being a place where God resides. This pentagonal star probably has a generic name that gives its name to America. The Jewish writer Josephus observed that the Essenes believed that good souls lived b ...
... that this five pointed star shape is indicative as of the position of the four Royal stars the fifth being a place where God resides. This pentagonal star probably has a generic name that gives its name to America. The Jewish writer Josephus observed that the Essenes believed that good souls lived b ...
On the nature of early-type emission line objects in NGC6611
... metallicity (Schaller et al. 1992). A part of stars in the sample (mainly the massive stars) are young and are close to the ZAMS. However, the analysis of our results demonstrates that a group (intermediate mass stars) of our NGC6611 targets have an age too old for the age of this star-formation reg ...
... metallicity (Schaller et al. 1992). A part of stars in the sample (mainly the massive stars) are young and are close to the ZAMS. However, the analysis of our results demonstrates that a group (intermediate mass stars) of our NGC6611 targets have an age too old for the age of this star-formation reg ...
How Big Is Our Universe? - Harvard
... The further a galaxy, the smaller it appears. You can use this method to get a rough idea which galaxies are closer and which are further. Although galaxies come in different shapes and sizes, the spiral galaxies similar to our own Milky Way are thought to be roughly the same size. So if a spiral ga ...
... The further a galaxy, the smaller it appears. You can use this method to get a rough idea which galaxies are closer and which are further. Although galaxies come in different shapes and sizes, the spiral galaxies similar to our own Milky Way are thought to be roughly the same size. So if a spiral ga ...
Gravitational redshifts
... synthetic line profiles) are shorter than laboratory values due to convective blueshift. Curves before and after mid-transit (µ = 0.21, 0.59, 0.87) are not exact mirror images due to intrinsic stellar line asymmetries. This simulation from a CO5BOLD model predicts the behavior of an Fe I line ( 620 ...
... synthetic line profiles) are shorter than laboratory values due to convective blueshift. Curves before and after mid-transit (µ = 0.21, 0.59, 0.87) are not exact mirror images due to intrinsic stellar line asymmetries. This simulation from a CO5BOLD model predicts the behavior of an Fe I line ( 620 ...
21structure1i
... More than 2000 galaxies and covers 100 square degrees in the sky 15 Mpc or 50 million light years away Centered on giant ellipticals larger than the entire local group Local group is a poor cluster, Virgo is a rich one ...
... More than 2000 galaxies and covers 100 square degrees in the sky 15 Mpc or 50 million light years away Centered on giant ellipticals larger than the entire local group Local group is a poor cluster, Virgo is a rich one ...
LESSON 8: STARS
... While the thousands of stars in the night sky appear to be very similar, they are more distinct from one another than their appearance would suggest. Stars have various sizes, masses, temperatures, colours, luminosities, compositions and lifecycles. The largest stars are several hundred times the d ...
... While the thousands of stars in the night sky appear to be very similar, they are more distinct from one another than their appearance would suggest. Stars have various sizes, masses, temperatures, colours, luminosities, compositions and lifecycles. The largest stars are several hundred times the d ...
main sequence stars of a open cluster
... Draw CM diagram of an open cluster, and find out the main sequence. 2. Outline Take apparent magnitude of stars on the vertical axis, and take color (or spectral type) on the horizontal axis. The plot with these axes is called CM (or HR) diagram. In this work, draw CM diagram of an open cluster NGC ...
... Draw CM diagram of an open cluster, and find out the main sequence. 2. Outline Take apparent magnitude of stars on the vertical axis, and take color (or spectral type) on the horizontal axis. The plot with these axes is called CM (or HR) diagram. In this work, draw CM diagram of an open cluster NGC ...
slides - Indico
... – Discovery of 8 new r-II stars ; 35 new r-I stars; numerous sprocess-enhanced stars, numerous carbon-enhanced stars – Discovery of new “U Star”: CS 29497-004 (Hill et al. 2005) ...
... – Discovery of 8 new r-II stars ; 35 new r-I stars; numerous sprocess-enhanced stars, numerous carbon-enhanced stars – Discovery of new “U Star”: CS 29497-004 (Hill et al. 2005) ...
Educator`s Guide for Dark Star Adventure
... We usually think of stars as twinkling white, but if we look carefully we can actually find stars of several colors. A star’s color is based on its temperature. A very cool star is dull red in color. As stellar temperatures increase the colors change from red to orange, then yellow to white, and the ...
... We usually think of stars as twinkling white, but if we look carefully we can actually find stars of several colors. A star’s color is based on its temperature. A very cool star is dull red in color. As stellar temperatures increase the colors change from red to orange, then yellow to white, and the ...
Color and Temperature of Stars
... the spectrum of the visible light coming from the sun has a group of absorption lines in the green part of the spectrum. Calcium in an outer layer of the sun absorbs light rays that would have produced the corresponding green colors. Although all stars have absorption lines in the visible band of th ...
... the spectrum of the visible light coming from the sun has a group of absorption lines in the green part of the spectrum. Calcium in an outer layer of the sun absorbs light rays that would have produced the corresponding green colors. Although all stars have absorption lines in the visible band of th ...
Slide 1
... stars run out of fuel and collapse into white dwarf stars, producing beautiful planetary nebulae in the process. ...
... stars run out of fuel and collapse into white dwarf stars, producing beautiful planetary nebulae in the process. ...
Astrophysics - Mr Priest`s Physics Notes
... Radio astronomy is unaffected by cloud cover and can be performed during the daytime, two significant advantages over visible light telescopes. Disadvantages are discussed below, but this “transparency” of radio waves is the reason why it continues to be widely used, since it allows us to probe the ...
... Radio astronomy is unaffected by cloud cover and can be performed during the daytime, two significant advantages over visible light telescopes. Disadvantages are discussed below, but this “transparency” of radio waves is the reason why it continues to be widely used, since it allows us to probe the ...
star-formation rate
... the emission by HII regions also contributes to the light of galaxies. After ~107 yr the emission from gas nebulae only marginally contributes to the broad-band colors of galaxies. ...
... the emission by HII regions also contributes to the light of galaxies. After ~107 yr the emission from gas nebulae only marginally contributes to the broad-band colors of galaxies. ...
Animals in Estonian Folk Astronomy
... Grenzstein published the first star map in the Estonian language, published as an extra to the Olevik newspaper and printed using the wood engraving technique. This map (Grenzstein 1886) can be considered a true pseudomythological sky map. The names of 55 objects in the sky have been included on th ...
... Grenzstein published the first star map in the Estonian language, published as an extra to the Olevik newspaper and printed using the wood engraving technique. This map (Grenzstein 1886) can be considered a true pseudomythological sky map. The names of 55 objects in the sky have been included on th ...
PODEX – PhOtometric Data EXtractor
... All black-box procedures known to us (like IRAF or MOMF) are complicated to handle and provide only the extraction of instrumental magnitudes. For a complete reduction also a color dependent extinction correction and the conversion to relative magnitudes is needed. podex provides it. The podex sourc ...
... All black-box procedures known to us (like IRAF or MOMF) are complicated to handle and provide only the extraction of instrumental magnitudes. For a complete reduction also a color dependent extinction correction and the conversion to relative magnitudes is needed. podex provides it. The podex sourc ...
PPS
... HR diagram – star formation Star formation Stars form when cool, relatively dense clouds of gas and dust in space shrink in upon themselves as a result of gravitational collapse. This mainly happens in giant molecular clouds, where the density is about 1 billion or 10 billion atoms per cubic metre. ...
... HR diagram – star formation Star formation Stars form when cool, relatively dense clouds of gas and dust in space shrink in upon themselves as a result of gravitational collapse. This mainly happens in giant molecular clouds, where the density is about 1 billion or 10 billion atoms per cubic metre. ...
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.