Unit 1
... appears to run slow, and the ship looks shorter – To an observer on the ship, the Earth appears to be moving in slow-motion, and its shape is distorted. ...
... appears to run slow, and the ship looks shorter – To an observer on the ship, the Earth appears to be moving in slow-motion, and its shape is distorted. ...
Chapter 28 Stars and Their Characteristics
... • Step 3 - Fusion stops, temperature drops • Step 4 - Core contracts (gravity pulling atoms in) • Step 5 - Increased temperature (more atoms, more collisions) and density in the core reinitiates nuclear fusion, equilibrium is achieved, and the cycle begins again ...
... • Step 3 - Fusion stops, temperature drops • Step 4 - Core contracts (gravity pulling atoms in) • Step 5 - Increased temperature (more atoms, more collisions) and density in the core reinitiates nuclear fusion, equilibrium is achieved, and the cycle begins again ...
Stellar Evolution - Hays High Indians
... The Life of HUGE Stars • As particles fall to the core they lose kinetic & potential energy and more HEAT results • This heat triggers nuclear fusion in the outer layers, and the resulting explosion is the supernova. • The energy released can fuse iron and other heavier elements, up to uranium. ...
... The Life of HUGE Stars • As particles fall to the core they lose kinetic & potential energy and more HEAT results • This heat triggers nuclear fusion in the outer layers, and the resulting explosion is the supernova. • The energy released can fuse iron and other heavier elements, up to uranium. ...
Stellar Evolution Before…..During……and After…. The Main
... Lifetime depends on the star’s mass and luminosity More luminous stars burn their energy more rapidly than less luminous stars. High-mass stars are more luminous than low-mass stars High mass stars are therefore shorter-lived! ...
... Lifetime depends on the star’s mass and luminosity More luminous stars burn their energy more rapidly than less luminous stars. High-mass stars are more luminous than low-mass stars High mass stars are therefore shorter-lived! ...
Black Hole
... It is a system of stars, dust, and gas held together by gravity. There are three basic types: spiral, elliptical, and irregular. A spiral galaxy is a flattened, discus-shaped collection of stars, having a central bulge. Examples include the Milky Way and Andromeda. An elliptical galaxy ranges in sha ...
... It is a system of stars, dust, and gas held together by gravity. There are three basic types: spiral, elliptical, and irregular. A spiral galaxy is a flattened, discus-shaped collection of stars, having a central bulge. Examples include the Milky Way and Andromeda. An elliptical galaxy ranges in sha ...
The Star of Bethlehem: a Type Ia/Ic Supernova in the Andromeda
... I suggest that both interpretations are appropriate. Andromeda appears in the eastern sky only in the late winter and early spring months in the first decade B.C. We would expect naked eye observers to notice a fifth magnitude star (see below) only if they happened to be concentrating on that part o ...
... I suggest that both interpretations are appropriate. Andromeda appears in the eastern sky only in the late winter and early spring months in the first decade B.C. We would expect naked eye observers to notice a fifth magnitude star (see below) only if they happened to be concentrating on that part o ...
PEGASUS, THE FLYING HORSE Pegasus is a constellation in the
... constellation boundaries, as set by Eugène Delporte in 1930, are defined as a polygon of 35 segments. In the equatorial coordinate system, the right ascension coordinates of these borders lie between 21h 12.6m and 00h. Its position in the Northern Celestial Hemisphere means that the whole constellat ...
... constellation boundaries, as set by Eugène Delporte in 1930, are defined as a polygon of 35 segments. In the equatorial coordinate system, the right ascension coordinates of these borders lie between 21h 12.6m and 00h. Its position in the Northern Celestial Hemisphere means that the whole constellat ...
K-3 Planetarium Lesson: Our Skies
... We often don’t see other stars or planets in the summertime because the sun brightens our sky. The stars are still there, we just can’t see them. Talk about today’s view of the sky. Change to a dark sky. If it is already dark because it is winter, change to the current view. If it is light out becau ...
... We often don’t see other stars or planets in the summertime because the sun brightens our sky. The stars are still there, we just can’t see them. Talk about today’s view of the sky. Change to a dark sky. If it is already dark because it is winter, change to the current view. If it is light out becau ...
Hertzsprung-Russell Diagram
... but the letters were rearranged. In order of decreasing temperatures, the stellar classification is now: O, B, A, F, G, K, M. Or an easy way to ...
... but the letters were rearranged. In order of decreasing temperatures, the stellar classification is now: O, B, A, F, G, K, M. Or an easy way to ...
A small mass difference between Hydrogen and Helium The
... From periodic wobbling back and forth of the spectral lines of a (blended) binary, we can often determine the radius of the orbit, and orbital speeds, and thus the masses of the stars From observations of binaries, we have the masses Of a sample of stars, and can study how stellar Properties depend ...
... From periodic wobbling back and forth of the spectral lines of a (blended) binary, we can often determine the radius of the orbit, and orbital speeds, and thus the masses of the stars From observations of binaries, we have the masses Of a sample of stars, and can study how stellar Properties depend ...
Galaxy Notes Presentation
... Cannot actually count the number of stars in the galaxy, can estimate as roughly 100 billion ...
... Cannot actually count the number of stars in the galaxy, can estimate as roughly 100 billion ...
Stellar Physics - University of Reading
... Classical Mechanics and Optics Thermodynamics and Statistical Mechanics Atomic and Molecular Physics Ideas from Observational Astronomy ...
... Classical Mechanics and Optics Thermodynamics and Statistical Mechanics Atomic and Molecular Physics Ideas from Observational Astronomy ...
Exam Study Guide
... 52. Alberio is a famous binary system consisting of two stars, one noticeably blue and the other noticeably orange. What do these different colors tell us about these star? 53. Based on the given stellar spectra references, what would be the spectral type of this star? (See Reference Item 6.) 54. A ...
... 52. Alberio is a famous binary system consisting of two stars, one noticeably blue and the other noticeably orange. What do these different colors tell us about these star? 53. Based on the given stellar spectra references, what would be the spectral type of this star? (See Reference Item 6.) 54. A ...
elementary measuring stars
... But the luminosity of a star can also be found from its distance and apparent brightness. Namely, distance + apparent brightness = luminosity. That is how absolute magnitude is calculated So, the distance and apparent brightness of a star can be used to infer its size, i.e. its radius, since the sta ...
... But the luminosity of a star can also be found from its distance and apparent brightness. Namely, distance + apparent brightness = luminosity. That is how absolute magnitude is calculated So, the distance and apparent brightness of a star can be used to infer its size, i.e. its radius, since the sta ...
Stellar Evolution (Powerpoint) 17
... billions of years to burn, this star burns all at once. BIG explosion! ...
... billions of years to burn, this star burns all at once. BIG explosion! ...
Chapter 10 Measuring the Stars: Giants, Dwarfs, and the Main
... * Some stars are supergiants and are also located near the top right (_______________) * White dwarfs are hot, faint, small stars near the bottom of the diagram • Some white dwarfs are Earth sized * Bright and near stars plotted on diagram Extending the Cosmic Distance Scale * Spectroscopic Parallax ...
... * Some stars are supergiants and are also located near the top right (_______________) * White dwarfs are hot, faint, small stars near the bottom of the diagram • Some white dwarfs are Earth sized * Bright and near stars plotted on diagram Extending the Cosmic Distance Scale * Spectroscopic Parallax ...
13 - Joe Griffin Media Ministries
... planet, e.g., Jupiter, does not physically start moving backwards in its orbit. It just appears to do so because of the relative positions of Jupiter and Earth in their orbits around the Sun. Normally, the planets move west-to-east through the stars at night. This is referred to as prograde motion. ...
... planet, e.g., Jupiter, does not physically start moving backwards in its orbit. It just appears to do so because of the relative positions of Jupiter and Earth in their orbits around the Sun. Normally, the planets move west-to-east through the stars at night. This is referred to as prograde motion. ...
The Milky Way
... The flux received from the light is proportional to its intrinsic brightness or luminosity (L) and inversely proportional to the square of the distance (d): ...
... The flux received from the light is proportional to its intrinsic brightness or luminosity (L) and inversely proportional to the square of the distance (d): ...
Cassiopeia (constellation)
Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty. Cassiopeia was one of the 48 constellations listed by the 2nd-century Greek astronomer Ptolemy, and it remains one of the 88 modern constellations today. It is easily recognizable due to its distinctive 'M' shape when in upper culmination but in higher northern locations when near lower culminations in spring and summer it has a 'W' shape, formed by five bright stars. It is bordered by Andromeda to the south, Perseus to the southeast, and Cepheus to the north. It is opposite the Big Dipper.In northern locations above 34ºN latitude it is visible year-round and in the (sub)tropics it can be seen at its clearest from September to early November in its characteristic 'M' shape. Even in low southern latitudes below 25ºS is can be seen low in the North.