Sermon Notes
... This constellation lies very low on the horizon and was visible from Jerusalem until the time of Jesus’ crucifixion when it disappeared from view in the Northern hemisphere. It has not been seen here since that time. ...
... This constellation lies very low on the horizon and was visible from Jerusalem until the time of Jesus’ crucifixion when it disappeared from view in the Northern hemisphere. It has not been seen here since that time. ...
ISM and star formation
... Stage 4: Fusion starts, collapse stops, a star! Temperature, radius, luminosity reach solar values: Tcenter = 1.5 x 107 K Tsurface = 5800 K R = 7 x 1010 cm L = 4 x 1033 erg / sec. Star reaches Main Sequence at end of Hayashi Track ...
... Stage 4: Fusion starts, collapse stops, a star! Temperature, radius, luminosity reach solar values: Tcenter = 1.5 x 107 K Tsurface = 5800 K R = 7 x 1010 cm L = 4 x 1033 erg / sec. Star reaches Main Sequence at end of Hayashi Track ...
7a Properties of Stars.pptx
... – less than 5 brighter than Sun – Greater than 5 dimmer than Sun ...
... – less than 5 brighter than Sun – Greater than 5 dimmer than Sun ...
The Dramatic Lives of Stars
... C. Shrinks and heats up as it ages D. Shrinks and cools as it ages ...
... C. Shrinks and heats up as it ages D. Shrinks and cools as it ages ...
Planisphere
... distortion, constellations in the sky will not appear as they do on the planisphere, but the planisphere can help us identify bright stars and give us a general idea of where to look for other stars. It's also very useful in figuring out when certain star will rise or set. The best way to get comfor ...
... distortion, constellations in the sky will not appear as they do on the planisphere, but the planisphere can help us identify bright stars and give us a general idea of where to look for other stars. It's also very useful in figuring out when certain star will rise or set. The best way to get comfor ...
observingopenclusters-2-2-1
... Are they all at the same distance? Do they contain the same kinds of stars? ...
... Are they all at the same distance? Do they contain the same kinds of stars? ...
Quiz Chapter 10 Answers
... Quiz Chapter 10 Answers 10-1. Protostars are not seen in visible light telescopes because: a) they don’t emit any radiation b) they are surrounded by clouds of gas and dust X c) they only emit infrared radiation d) they are all moving away from Earth so fast that their visible light is Doppler shift ...
... Quiz Chapter 10 Answers 10-1. Protostars are not seen in visible light telescopes because: a) they don’t emit any radiation b) they are surrounded by clouds of gas and dust X c) they only emit infrared radiation d) they are all moving away from Earth so fast that their visible light is Doppler shift ...
Star Classification
... Explain the difference between a red and blue giant star. What is a white dwarf? What is a brown dwarf? ...
... Explain the difference between a red and blue giant star. What is a white dwarf? What is a brown dwarf? ...
Description of Pictures In the Dome
... Distance: 2000 - 9000 ly (2 kpc) Constellation: Sagittarius ...
... Distance: 2000 - 9000 ly (2 kpc) Constellation: Sagittarius ...
January 2015 - Hermanus Astronomy
... Another summer triangle The red stars Betelgeuse (Alpha Orionis) and Aldebaran (Alpha Tauri) not only form part of the well-known southern Summer Triangle (along with Sirius (Alpha Canis Major)), but are also part of another, upside down, triangle. Aldebaran forms an almost 90 deg angle, with Betelg ...
... Another summer triangle The red stars Betelgeuse (Alpha Orionis) and Aldebaran (Alpha Tauri) not only form part of the well-known southern Summer Triangle (along with Sirius (Alpha Canis Major)), but are also part of another, upside down, triangle. Aldebaran forms an almost 90 deg angle, with Betelg ...
Lab Document - University of Iowa Astronomy and Astrophysics
... (8) Now let’s try and find a “Deep Sky” object using the Pocket Sky Atlas. We will look at the object M13 in the constellation of Hercules. Using the Star Wheel and SC1 chart, find Hercules. Both the Star Wheel and the SC1 indicate where M13 is located. The Pocket Sky Atlas has a more detailed map o ...
... (8) Now let’s try and find a “Deep Sky” object using the Pocket Sky Atlas. We will look at the object M13 in the constellation of Hercules. Using the Star Wheel and SC1 chart, find Hercules. Both the Star Wheel and the SC1 indicate where M13 is located. The Pocket Sky Atlas has a more detailed map o ...
![Lectures 10 & 11 powerpoint (stellar formation) [movie below]](http://s1.studyres.com/store/data/008083226_1-fec717da713794a7feea61d4eec0ceb1-300x300.png)
Lectures 10 & 11 powerpoint (stellar formation) [movie below]
... A star’s mass (and chemical composition) completely determines its properties. …why stars initially all line up along the main sequence, and why there’s a mass-luminosity relation…. ...
... A star’s mass (and chemical composition) completely determines its properties. …why stars initially all line up along the main sequence, and why there’s a mass-luminosity relation…. ...
Planetarium Key Points
... Constellations exist becouse of celestial sphere and becouse pattern recognition is a natural feature for living beeings Constellation shape change with epoch and observer position; shape is not for ever becouse of star’s proper motion, but no detectable change during human life at naked eye C ...
... Constellations exist becouse of celestial sphere and becouse pattern recognition is a natural feature for living beeings Constellation shape change with epoch and observer position; shape is not for ever becouse of star’s proper motion, but no detectable change during human life at naked eye C ...
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 ...
Energy Transport
... • Nuclei repel each other (Coulomb barrier) • High enough temperature means a small percentage will have a high enough energy to get close enough for strong interaction to occur (Maxwell distribution of velocities) • Sufficiently high pressure ensures that enough reactions occur to supply energy nee ...
... • Nuclei repel each other (Coulomb barrier) • High enough temperature means a small percentage will have a high enough energy to get close enough for strong interaction to occur (Maxwell distribution of velocities) • Sufficiently high pressure ensures that enough reactions occur to supply energy nee ...
ppt - NRAO
... E.g.: Taurus (of course), Orion is much larger than the Orion Nebula, It is not clear if all of Perseus is at the same distance (NGC1333 vs. IC 348), Ophiuchus streamers, etc.. (Note that these regions tend to be heavily obscured, so optical experiments are unlikely to improve significantly the situ ...
... E.g.: Taurus (of course), Orion is much larger than the Orion Nebula, It is not clear if all of Perseus is at the same distance (NGC1333 vs. IC 348), Ophiuchus streamers, etc.. (Note that these regions tend to be heavily obscured, so optical experiments are unlikely to improve significantly the situ ...
SRP_Space_Lesson 5 - Scientist in Residence Program
... is to say, the stars do not really form that shape. The first observers of the sky thought that the stars in a constellation when connected resembled a shape that was familiar to them, and so they named it. This allowed them to map the movement of the stars throughout the seasons, which helped the d ...
... is to say, the stars do not really form that shape. The first observers of the sky thought that the stars in a constellation when connected resembled a shape that was familiar to them, and so they named it. This allowed them to map the movement of the stars throughout the seasons, which helped the d ...
The Night Sky This Month - Usk Astronomical Society
... The vee-shaped face of the bull is a very clear asterism and finding it should be no problem. It is due south at nine in the evening in mid-January. You can also follow the line of the belt of Orion towards the north-west and locate it just before reaching Pleiades. The asterism is known as the Hyad ...
... The vee-shaped face of the bull is a very clear asterism and finding it should be no problem. It is due south at nine in the evening in mid-January. You can also follow the line of the belt of Orion towards the north-west and locate it just before reaching Pleiades. The asterism is known as the Hyad ...
iClicker Questions
... Discovering the Universe, Eighth Edition by Neil F. Comins and William J. Kaufmann III Chapter 12 12-1. Protostars are not seen in visible light telescopes because: a) they don’t emit any radiation b) they are surrounded by clouds of gas and dust * c) they only emit infrared radiation d) they are al ...
... Discovering the Universe, Eighth Edition by Neil F. Comins and William J. Kaufmann III Chapter 12 12-1. Protostars are not seen in visible light telescopes because: a) they don’t emit any radiation b) they are surrounded by clouds of gas and dust * c) they only emit infrared radiation d) they are al ...
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, ...
Dorn_projectF08 - Bowling Green State University
... about 250 stars. The brightest and youngest of these formed about two million years ago, early in astronomical time. Also known as M 45, named after the daughters of E Atlas and Pleione. With a clear sky W about 7 stars are visible with the naked eye, covering 1°of sky, and are 415 Ly. away. The bri ...
... about 250 stars. The brightest and youngest of these formed about two million years ago, early in astronomical time. Also known as M 45, named after the daughters of E Atlas and Pleione. With a clear sky W about 7 stars are visible with the naked eye, covering 1°of sky, and are 415 Ly. away. The bri ...
ASTRONOMY
... 19. How could you observe the California Nebula? 20. To what constellation do Castor and Pollux belong? 21. Where would you place Lynx in relationship to Gemini’s position? 22. What unique feature is found in Camelopardalis 23. What two prominent constellations are found in the southern skies? 24. ...
... 19. How could you observe the California Nebula? 20. To what constellation do Castor and Pollux belong? 21. Where would you place Lynx in relationship to Gemini’s position? 22. What unique feature is found in Camelopardalis 23. What two prominent constellations are found in the southern skies? 24. ...
The Stars education kit - Student activities 1-4
... night sky during summer (in the Southern Hemisphere). It is a constellation that contains two famous deep sky wonders – the Orion Nebula and the Horsehead Nebula, and two supergiant stars – Betelgeuse and Rigel. In the Southern Hemisphere, Orion the Hunter appears to be upside down, as are many cons ...
... night sky during summer (in the Southern Hemisphere). It is a constellation that contains two famous deep sky wonders – the Orion Nebula and the Horsehead Nebula, and two supergiant stars – Betelgeuse and Rigel. In the Southern Hemisphere, Orion the Hunter appears to be upside down, as are many cons ...
Orion (constellation)
Orion is a prominent constellation located on the celestial equator and visible throughout the world. It is one of the most conspicuous and recognizable constellations in the night sky. It was named after Orion, a hunter in Greek mythology. Its brightest stars are Rigel (Beta Orionis) and Betelgeuse (Alpha Orionis), a blue-white and a red supergiant, respectively.