Problem set 3 solution
... The derivation in the text assumes that the smaller star is hotter, i.e. that the primary eclipse is when the smaller star passes behind the larger. Can we back this up with the data? Assuming this is true, then in the primary eclipse we see only the larger star, which gives 100(m0 −mp )/5 = 100(5.4 ...
... The derivation in the text assumes that the smaller star is hotter, i.e. that the primary eclipse is when the smaller star passes behind the larger. Can we back this up with the data? Assuming this is true, then in the primary eclipse we see only the larger star, which gives 100(m0 −mp )/5 = 100(5.4 ...
20.1 A Solar System is Born
... increases and the stage is set for stars to form.” Solar nebula – the cloud of gas and dust that formed our solar system. ...
... increases and the stage is set for stars to form.” Solar nebula – the cloud of gas and dust that formed our solar system. ...
jackie822 beanerbutt777 life cycle of a star
... http://solarsystem.nasa.gov/multimedia/gallery/prominence.gif ...
... http://solarsystem.nasa.gov/multimedia/gallery/prominence.gif ...
Lecture 10 - Concord University
... wilder phenomenon. In the early 1900s `novae’ were sometimes observed in other galaxies and were used to help set the distances to galaxies. But, when it became clear that even the nearest galaxies were much further away than anyone had thought this suggested that the extragalactic `nova’ were m ...
... wilder phenomenon. In the early 1900s `novae’ were sometimes observed in other galaxies and were used to help set the distances to galaxies. But, when it became clear that even the nearest galaxies were much further away than anyone had thought this suggested that the extragalactic `nova’ were m ...
Star Formation
... Open Cluster: Group of ~hundreds youngish stars formed at same time from same molecular cloud - Association-tens of young stars not gravitationally bound together ...
... Open Cluster: Group of ~hundreds youngish stars formed at same time from same molecular cloud - Association-tens of young stars not gravitationally bound together ...
Star Formation
... • Photons exert a slight amount of pressure when they strike matter • Very massive stars are so luminous that the collective pressure of photons drives their matter into space ...
... • Photons exert a slight amount of pressure when they strike matter • Very massive stars are so luminous that the collective pressure of photons drives their matter into space ...
Constellations - Jolie McLaine`s Senior Project
... associated with a name • Located near each other to form a pattern • We know that stars are hot balls of hydrogen and helium, with nuclear fusion at their core ...
... associated with a name • Located near each other to form a pattern • We know that stars are hot balls of hydrogen and helium, with nuclear fusion at their core ...
annie jump cannon
... stars into the spectral classes O, B, A, F, G, K, M. (mnemonically recognized as Oh Be A Fine Girl Kiss Me) ...
... stars into the spectral classes O, B, A, F, G, K, M. (mnemonically recognized as Oh Be A Fine Girl Kiss Me) ...
Astronomy 10 - UC Berkeley Astronomy w
... When the helium core is first formed, the core is not hot enough fuse the helium into heavier elements. Only once the red giant phase occurs, and the core contracts and heats up to a temperature of around 108 K is the core hot enough to start burning helium. (11) page 321, question 6 When a star she ...
... When the helium core is first formed, the core is not hot enough fuse the helium into heavier elements. Only once the red giant phase occurs, and the core contracts and heats up to a temperature of around 108 K is the core hot enough to start burning helium. (11) page 321, question 6 When a star she ...
matthewchristianstarprodject
... PLANITARY NEBULA A planetary nebula is an emission nebula consisting of a glowing shell of gas and ...
... PLANITARY NEBULA A planetary nebula is an emission nebula consisting of a glowing shell of gas and ...
Lecture 11 - Stars and Atomic Spectra
... • Up to now, we have been discussing the wavelength of light as determining it color • However, light comes in discrete packets called photons and the energy of each photon is set by its color or wavelength • From Einstein, we known that the photon energy is inversely proportional to its wavelength ...
... • Up to now, we have been discussing the wavelength of light as determining it color • However, light comes in discrete packets called photons and the energy of each photon is set by its color or wavelength • From Einstein, we known that the photon energy is inversely proportional to its wavelength ...
Chapter 12 Stellar Evolution
... White dwarfs, indicating that solar-mass stars are in their last phases, also appear. ...
... White dwarfs, indicating that solar-mass stars are in their last phases, also appear. ...
OBAFGKM(LT) extra credit due today. Mid
... Mass, temperature, luminosity, and size are related on the main sequence: more massive stars are hotter, larger, and more luminous. Some stars are hot but faint, or cool but bright... these are not main sequence stars. Giants and Supergiants are 10–1000× bigger than the sun: larger even than jupiter ...
... Mass, temperature, luminosity, and size are related on the main sequence: more massive stars are hotter, larger, and more luminous. Some stars are hot but faint, or cool but bright... these are not main sequence stars. Giants and Supergiants are 10–1000× bigger than the sun: larger even than jupiter ...
Neutron Stars
... • Our atoms were once parts of stars that died more than 4.6 billion years ago, whose remains were swept up into the solar system when the Sun formed ...
... • Our atoms were once parts of stars that died more than 4.6 billion years ago, whose remains were swept up into the solar system when the Sun formed ...
Stars and Light
... Brightness of stars • Ptolemy (150 A.D.) grouped stars into 6 `magnitude’ groups according to how bright they looked to his eye. • Herschel (1800s) first measured the brightness of stars quantitatively and matched his measurements onto Ptolemy’s magnitude groups and assigned a number for the magnit ...
... Brightness of stars • Ptolemy (150 A.D.) grouped stars into 6 `magnitude’ groups according to how bright they looked to his eye. • Herschel (1800s) first measured the brightness of stars quantitatively and matched his measurements onto Ptolemy’s magnitude groups and assigned a number for the magnit ...
PHYSICS 1500 - ASTRONOMY TOTAL: 100 marks Section A Please
... of gravitational interactions between ring particles. a density wave confines them. the magnetic field holds them in place. Uranus and Neptune are much smaller than Saturn. they are shepherded by small moons. ...
... of gravitational interactions between ring particles. a density wave confines them. the magnetic field holds them in place. Uranus and Neptune are much smaller than Saturn. they are shepherded by small moons. ...
Deaths of Stars - Chabot College
... All pulsars are neutron stars, but all neutron stars are not pulsars!! ...
... All pulsars are neutron stars, but all neutron stars are not pulsars!! ...
Lecture 17 Review
... Interstellar extinction - When enough gas and dust is in the way, far away objects cannot be seen because light is scattered out of the line of sight. Thus, we cannot see the galactic center with visible light. That these clouds are the source of stars follows from several observations: ...
... Interstellar extinction - When enough gas and dust is in the way, far away objects cannot be seen because light is scattered out of the line of sight. Thus, we cannot see the galactic center with visible light. That these clouds are the source of stars follows from several observations: ...
Star Powerpoint notes
... surface temperature of main-sequence stars increase from lower right to upper left ...
... surface temperature of main-sequence stars increase from lower right to upper left ...
Star Classification - University of Louisville
... surface temperatures are much higher, and shine white instead of red. When the Sun comes to the end of its life, it will become a White Dwarf. It will be much smaller than it is now, not quite as bright but twice as hot. Its matter (particles) will be more densely-packed together. ...
... surface temperatures are much higher, and shine white instead of red. When the Sun comes to the end of its life, it will become a White Dwarf. It will be much smaller than it is now, not quite as bright but twice as hot. Its matter (particles) will be more densely-packed together. ...
HR Diagram and Stellar Fusion
... • While our Sun is an average star, most stars in our Milky Way galaxy and Universe are K and M class red dwarfs, small and um, red. • The lower on the main sequence a star starts out its life, the longer it lives. Nuclear fusion energy conserving dwarfs may live 40 billion years, our Sun will live ...
... • While our Sun is an average star, most stars in our Milky Way galaxy and Universe are K and M class red dwarfs, small and um, red. • The lower on the main sequence a star starts out its life, the longer it lives. Nuclear fusion energy conserving dwarfs may live 40 billion years, our Sun will live ...
Cygnus (constellation)
Cygnus /ˈsɪɡnəs/ is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan. The swan is one of the most recognizable constellations of the northern summer and autumn, it features a prominent asterism known as the Northern Cross (in contrast to the Southern Cross). Cygnus was among the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations.Cygnus contains Deneb, one of the brightest stars in the night sky and one corner of the Summer Triangle, as well as some notable X-ray sources and the giant stellar association of Cygnus OB2. One of the stars of this association, NML Cygni, is one of the largest stars currently known. The constellation is also home to Cygnus X-1, a distant X-ray binary containing a supergiant and unseen massive companion that was the first object widely held to be a black hole. Many star systems in Cygnus have known planets as a result of the Kepler Mission observing one patch of the sky, the patch is the area around Cygnus. In addition, most of the eastern part of Cygnus is dominated by the Hercules–Corona Borealis Great Wall, a giant galaxy filament that is the largest known structure in the observable universe; covering most of the northern sky.