Use this form to take notes in class about stars
... Stars of Spectral Classes B to M 9. What color is our sun? ___________what class is it in? ...
... Stars of Spectral Classes B to M 9. What color is our sun? ___________what class is it in? ...
REVIEW: STAR`S TEST
... What happens to white light as it passes through a prism ? REFRACTS Which color refracts the most and least ? RED What is thought to be at the center of all galaxies ? ____BLACK HOLE______ What is the name of our galaxy ? ____MILKY WAY______ The planets that are closer to the sun have a ...
... What happens to white light as it passes through a prism ? REFRACTS Which color refracts the most and least ? RED What is thought to be at the center of all galaxies ? ____BLACK HOLE______ What is the name of our galaxy ? ____MILKY WAY______ The planets that are closer to the sun have a ...
December 2014 - Coconino Astronomical Society
... brightest star in the sky and currently stands high in the evening sky during winter and spring. It was an object of wonder and veneration to most ancient peoples throughout human history. To the ancient Egyptians, Sirius was revered as the Nile Star, or the Soul of Isis. Its annual appearance just ...
... brightest star in the sky and currently stands high in the evening sky during winter and spring. It was an object of wonder and veneration to most ancient peoples throughout human history. To the ancient Egyptians, Sirius was revered as the Nile Star, or the Soul of Isis. Its annual appearance just ...
Characteristics of Stars
... Brightness of Stars • Absolute magnitude – measure of the amount of light given off by a star • Apparent magnitude – a measure of the amount of light received on Earth (a dim star can appear bright if its close to Earth; a bright star can appear dim if its far ...
... Brightness of Stars • Absolute magnitude – measure of the amount of light given off by a star • Apparent magnitude – a measure of the amount of light received on Earth (a dim star can appear bright if its close to Earth; a bright star can appear dim if its far ...
Characteristics of Stars
... Classification • H-R diagram • Absolute magnitude vs. temperature • For most stars the brightness increases as surface temp increases • Main sequence stars are band in center ...
... Classification • H-R diagram • Absolute magnitude vs. temperature • For most stars the brightness increases as surface temp increases • Main sequence stars are band in center ...
Measuring Distances Beyond the Solar System The Characteristics
... The Luminosity of a star is measured by comparing it with the luminosity of the Sun, which is assigned a luminosity of 1. Sirius, the brightest star in the night sky found in the constellation of Canis Major, has a luminosity of 22. This means Sirius gives off 22 times more energy each second than ...
... The Luminosity of a star is measured by comparing it with the luminosity of the Sun, which is assigned a luminosity of 1. Sirius, the brightest star in the night sky found in the constellation of Canis Major, has a luminosity of 22. This means Sirius gives off 22 times more energy each second than ...
Pistol Star of the Pistol Nebula
... around the Sun, it radiates as much as more than 10 million times more light than Sol (L= 10^6.3) and appears to have more than 150 Solar-masses, having been resolved as a single star down to a projected separation of 110 AUs (Figer et al, 1998). Indeed, the star may have started with as much as 200 ...
... around the Sun, it radiates as much as more than 10 million times more light than Sol (L= 10^6.3) and appears to have more than 150 Solar-masses, having been resolved as a single star down to a projected separation of 110 AUs (Figer et al, 1998). Indeed, the star may have started with as much as 200 ...
Winter constellations
... Bull. The Taurus constellation looks particularly brilliant with binoculars, glittering with young blue stars. Aldebaran is a red supergiant star and is about five times the mass of the sun. The name means ‘follower’ because it follows the Pleiades, the Seven Sisters, which are located on the other ...
... Bull. The Taurus constellation looks particularly brilliant with binoculars, glittering with young blue stars. Aldebaran is a red supergiant star and is about five times the mass of the sun. The name means ‘follower’ because it follows the Pleiades, the Seven Sisters, which are located on the other ...
February - Bristol Astronomical Society
... This famous cluster has been known since prehistoric times. The ancient Greeks saw this "nebula" as the manger (Phatne) associated with two asses who eat from it, Asellus Borealis, the Northern Ass (Gamma Cnc) and Asellus Australis, the Southern Ass (Delta Cnc). Erathosthenes reported that these wer ...
... This famous cluster has been known since prehistoric times. The ancient Greeks saw this "nebula" as the manger (Phatne) associated with two asses who eat from it, Asellus Borealis, the Northern Ass (Gamma Cnc) and Asellus Australis, the Southern Ass (Delta Cnc). Erathosthenes reported that these wer ...
Physical properties of stars
... Too little mass-failed star (Brown dwarf) Too much mass- Blue Giants that fuse their fuel at incredible rates and have short lived lives. Pg 460 diagram of stellar masses Chemical Composition: Primarily hydrogen and helium Trace amounts of other elements Nuclear fusion is the source of energy for a ...
... Too little mass-failed star (Brown dwarf) Too much mass- Blue Giants that fuse their fuel at incredible rates and have short lived lives. Pg 460 diagram of stellar masses Chemical Composition: Primarily hydrogen and helium Trace amounts of other elements Nuclear fusion is the source of energy for a ...
Milky Way structure
... associated tidal stream of material in relation to our Milky Way Galaxy. The Canis Major dwarf and other satellite galaxies are slowly being gravitationally ripped apart as they travel around and through our Galaxy. ...
... associated tidal stream of material in relation to our Milky Way Galaxy. The Canis Major dwarf and other satellite galaxies are slowly being gravitationally ripped apart as they travel around and through our Galaxy. ...
Click here to see all test questions at once.
... stars in the sky. DIFFERENCE Centaurus is made up of a small number of stars arranged in a pattern, but the Milky Way is a galaxy with a huge number of stars held together by gravity. ...
... stars in the sky. DIFFERENCE Centaurus is made up of a small number of stars arranged in a pattern, but the Milky Way is a galaxy with a huge number of stars held together by gravity. ...
PH507 - University of Kent
... 1. Calculate the luminosity (in units of the solar luminosity) of a blackbody of Saturn’s radius that has a temperature of 1000 K? Explain the steps you take in the derivation. The surface temperature of the Sun is 5780 K. The radii of Saturn and the Sun are 6.00 x 107 m and 6.96 x 108 m, respective ...
... 1. Calculate the luminosity (in units of the solar luminosity) of a blackbody of Saturn’s radius that has a temperature of 1000 K? Explain the steps you take in the derivation. The surface temperature of the Sun is 5780 K. The radii of Saturn and the Sun are 6.00 x 107 m and 6.96 x 108 m, respective ...
Sagittarius - columbusastronomy
... 2nd brightest star in the night sky Magnitude: -0.72 Type: supergiant, spectral type F Color: white to the naked eye Temperature: 7,350 K Distance: 310 light years RA: 6h 24m ...
... 2nd brightest star in the night sky Magnitude: -0.72 Type: supergiant, spectral type F Color: white to the naked eye Temperature: 7,350 K Distance: 310 light years RA: 6h 24m ...
1 - Pitt County Schools
... 3. What factors determine a star’s apparent magnitude? ___________________________________________________________________________ ___________________________________________________________________________ 4. The H-R diagram shows the relationship between what two factors? _________________________ ...
... 3. What factors determine a star’s apparent magnitude? ___________________________________________________________________________ ___________________________________________________________________________ 4. The H-R diagram shows the relationship between what two factors? _________________________ ...
Stars
... A ‘Star’ is a large celestial body composed of gravitationally contained hot gases emitting electromagnetic radiation, especially light, as a result of nuclear reactions inside the star. The sun is a star. With the exception of the sun, stars appear to be fixed, maintaining the same pattern in the s ...
... A ‘Star’ is a large celestial body composed of gravitationally contained hot gases emitting electromagnetic radiation, especially light, as a result of nuclear reactions inside the star. The sun is a star. With the exception of the sun, stars appear to be fixed, maintaining the same pattern in the s ...
Spectral Class and Colour index
... Spectral Class and Colour index As we have seen the colour of a star is related to its temperature as a consequence of Wien’s law. λmaxT = constant The spectral class (OBAFGKM) of a main sequence star is also a direct result of its temperature. One (relatively crude) way of determining the temperatu ...
... Spectral Class and Colour index As we have seen the colour of a star is related to its temperature as a consequence of Wien’s law. λmaxT = constant The spectral class (OBAFGKM) of a main sequence star is also a direct result of its temperature. One (relatively crude) way of determining the temperatu ...
The Hot-plate Model of a Star Model of Stars— 3 Oct
... • Definition of apparent magnitude – The magnitude of Vega is 0. – For every factor of 10 fainter, the magnitude is 2.5 greater. ...
... • Definition of apparent magnitude – The magnitude of Vega is 0. – For every factor of 10 fainter, the magnitude is 2.5 greater. ...
Solving the Mystery of Massive Star Birth
... are born in enormous clouds of cold gas and cosmic dust known as nebulae. Occasionally, something will disturb the gas in these clouds. For example, the pull of a passing star’s gravity or the violent explosion of a nearby dying star. The movement can trigger the collapse of the cloud, which begins ...
... are born in enormous clouds of cold gas and cosmic dust known as nebulae. Occasionally, something will disturb the gas in these clouds. For example, the pull of a passing star’s gravity or the violent explosion of a nearby dying star. The movement can trigger the collapse of the cloud, which begins ...
Winter Stargazing - Trimble County Schools
... Distance-11.4 LY Diameter-2.8 Million km Luminosity-7 Suns It is the eighth brightest star in the sky, only four LY away from Sirius. • It is also a double star, revolved by a white dwarf, Procyon B. • The name means “before the dog” because it rises in the east well before Sirius. ...
... Distance-11.4 LY Diameter-2.8 Million km Luminosity-7 Suns It is the eighth brightest star in the sky, only four LY away from Sirius. • It is also a double star, revolved by a white dwarf, Procyon B. • The name means “before the dog” because it rises in the east well before Sirius. ...
