The Stars education kit - Student activities 5-10
... Sirius is the brightest star in the night sky and is part of the constellation Canis Major. It is a blue-white supergiant star about 9 light years away. Alpha Centauri lies in the constellation of Centaurus. It is one of the bright Pointers that point to the Southern Cross. It is the third brightest ...
... Sirius is the brightest star in the night sky and is part of the constellation Canis Major. It is a blue-white supergiant star about 9 light years away. Alpha Centauri lies in the constellation of Centaurus. It is one of the bright Pointers that point to the Southern Cross. It is the third brightest ...
Magnitudes and Colours of Stars - Lincoln
... In fact, as we will see in the next Module, stars behave very like practical examples of black bodies - theoretical objects with properties that have been determined by classical physicists. (We will leave the tricky question of how someone could describe a star as a black body to the next Module!) ...
... In fact, as we will see in the next Module, stars behave very like practical examples of black bodies - theoretical objects with properties that have been determined by classical physicists. (We will leave the tricky question of how someone could describe a star as a black body to the next Module!) ...
Star Formation
... stars drift apart, becoming “stellar associations”, and then just individual stars • Globular clusters ~100x more massive than open clusters, and made during formation of the Galaxy. More on them in the chapter on the Milky Way Galaxy ...
... stars drift apart, becoming “stellar associations”, and then just individual stars • Globular clusters ~100x more massive than open clusters, and made during formation of the Galaxy. More on them in the chapter on the Milky Way Galaxy ...
Compact stars
... 3. Neutron stars The Crab Nebula is a supernova remnant containing the Crab Pulsar, a neutron star. Main article: Neutron star In certain binary stars containing a white dwarf, mass is transferred from the companion star onto the white dwarf, eventually pushing it over the Chandrasekhar limit. Elect ...
... 3. Neutron stars The Crab Nebula is a supernova remnant containing the Crab Pulsar, a neutron star. Main article: Neutron star In certain binary stars containing a white dwarf, mass is transferred from the companion star onto the white dwarf, eventually pushing it over the Chandrasekhar limit. Elect ...
Stars - CBSD.org
... Magnitudes • Hipparchus decided that all the brightest stars in the night sky were “first order magnitude” stars. • As they got dimmer, he classified them as “second magnitude,” “third magnitude,” and so on… • He got up to magnitude 6, after which stars are too dim to be seen without a telescope. • ...
... Magnitudes • Hipparchus decided that all the brightest stars in the night sky were “first order magnitude” stars. • As they got dimmer, he classified them as “second magnitude,” “third magnitude,” and so on… • He got up to magnitude 6, after which stars are too dim to be seen without a telescope. • ...
The Solar Neighborhood
... The globular star clusters are bright, and can be seen for a long distance. Their distances can be estimated accurately from their main sequence turnoffs, as well as by measuring the periods of variable stars that belong to each cluster. In the table below are listed several dozen Galactic globular ...
... The globular star clusters are bright, and can be seen for a long distance. Their distances can be estimated accurately from their main sequence turnoffs, as well as by measuring the periods of variable stars that belong to each cluster. In the table below are listed several dozen Galactic globular ...
Pulsating Variable Stars and The Hertzsprung - Chandra X
... brightness that a star appears to have (apparent magnitude) from our perspective here on Earth depends upon its distance from Earth and its actual intrinsic brightness, or absolute magnitude (MV). The behavior of stars that vary in magnitude (brightness) can be studied by measuring their changes in ...
... brightness that a star appears to have (apparent magnitude) from our perspective here on Earth depends upon its distance from Earth and its actual intrinsic brightness, or absolute magnitude (MV). The behavior of stars that vary in magnitude (brightness) can be studied by measuring their changes in ...
Famous Constellations
... Orion, the Hunter, famous constellation named from Greek Mythology It is most easily recognized constellation https://img1.etsystatic.com/009/1/5742776/il_570xN.411934929_a84j.jpg Ursa Major is also famous and very important because it points to North Star Ursa Major means Big Bear in Latin http://3 ...
... Orion, the Hunter, famous constellation named from Greek Mythology It is most easily recognized constellation https://img1.etsystatic.com/009/1/5742776/il_570xN.411934929_a84j.jpg Ursa Major is also famous and very important because it points to North Star Ursa Major means Big Bear in Latin http://3 ...
MS Word version
... demonstrating the Eclipsing Binary Simulator in a classroom situation. We provide these suggestions with appropriate questions (shown in bold italics) to pose to the class as an aid in promoting interactivity. We encourage instructors to adapt these suggestions to their particular educational goals ...
... demonstrating the Eclipsing Binary Simulator in a classroom situation. We provide these suggestions with appropriate questions (shown in bold italics) to pose to the class as an aid in promoting interactivity. We encourage instructors to adapt these suggestions to their particular educational goals ...
Life cycle of low mass stars
... 1. Scientists believe that their was a time when the density of matter was inconceivably high 2. All matter confined to a dense hot super-massive ball 3. 13.7 million years ago, a massive explosion occurred initiating the expansion of our universe. ...
... 1. Scientists believe that their was a time when the density of matter was inconceivably high 2. All matter confined to a dense hot super-massive ball 3. 13.7 million years ago, a massive explosion occurred initiating the expansion of our universe. ...
Star Magnitude - ScienceEducationatNewPaltz
... With the invention of the telescope and modern equipment to measure star magnitudes the scale has been extended in both directions. Dimmer stars are assigned magnitudes larger than 6 ( 6, 7, 8, 9, ... 30th ... etc.) The Hubble Space Telescope Deep Field image contains some galaxies as faint as 30th ...
... With the invention of the telescope and modern equipment to measure star magnitudes the scale has been extended in both directions. Dimmer stars are assigned magnitudes larger than 6 ( 6, 7, 8, 9, ... 30th ... etc.) The Hubble Space Telescope Deep Field image contains some galaxies as faint as 30th ...
Chapter 30 Notes
... • Binary stars are pairs of stars that revolve around each other and are held together by gravity. The center of mass, or barycenter, is somewhere between the two stars. • In star systems that have more than two stars, two stars may revolve rapidly around a common barycenter, while a third star revo ...
... • Binary stars are pairs of stars that revolve around each other and are held together by gravity. The center of mass, or barycenter, is somewhere between the two stars. • In star systems that have more than two stars, two stars may revolve rapidly around a common barycenter, while a third star revo ...
Ch. 20
... all the same age but have different masses. • Stars in binary systems can evolve quite differently due to interactions with each other. ...
... all the same age but have different masses. • Stars in binary systems can evolve quite differently due to interactions with each other. ...
Stars change over their life cycles.
... Betelgeuse (BEET-uhl-JOOZ) is more than 600 times greater in diameter than the Sun. If Betelgeuse replaced the Sun, it would fill space in our solar system well beyond Earth’s orbit. Because giant and supergiant stars have such huge surface areas to give off light, they are very bright. Betelgeuse i ...
... Betelgeuse (BEET-uhl-JOOZ) is more than 600 times greater in diameter than the Sun. If Betelgeuse replaced the Sun, it would fill space in our solar system well beyond Earth’s orbit. Because giant and supergiant stars have such huge surface areas to give off light, they are very bright. Betelgeuse i ...
Astrophysics notes
... point sources such that they can be just barely distinguished as separate sources define the term ‘sensitivity’ of a telescope as the light-gathering power of the telescope (directly proportional to the square of the diameter of the objective) define the term parallax as the apparent shift in positi ...
... point sources such that they can be just barely distinguished as separate sources define the term ‘sensitivity’ of a telescope as the light-gathering power of the telescope (directly proportional to the square of the diameter of the objective) define the term parallax as the apparent shift in positi ...
File
... The more massive a star is, the shorter its stay on the main sequence. The most massive stars may be there for only a few million years. A star like the Sun, on the other hand, is not especially massive and will live on the main sequence for about ten billion years. Since it has taken over four bill ...
... The more massive a star is, the shorter its stay on the main sequence. The most massive stars may be there for only a few million years. A star like the Sun, on the other hand, is not especially massive and will live on the main sequence for about ten billion years. Since it has taken over four bill ...
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... appears to us when viewing the star from here on Earth. Apparent visual magnitude does not take into account any corrections for the star's distance, size, temperature, or the amount of dust between us and the star. It is simply the brightness as it appears to us in the night sky. ...
... appears to us when viewing the star from here on Earth. Apparent visual magnitude does not take into account any corrections for the star's distance, size, temperature, or the amount of dust between us and the star. It is simply the brightness as it appears to us in the night sky. ...