Big Bang and Life Cycle of Stars
... SuperNova – a violent explosion. The elements produced by this process are ejected out into space. The heavier elements in our solar system came from a super nova explosion of another star – including the elements and atoms that make up your body (aww stardust) ...
... SuperNova – a violent explosion. The elements produced by this process are ejected out into space. The heavier elements in our solar system came from a super nova explosion of another star – including the elements and atoms that make up your body (aww stardust) ...
What is a Star?
... system that contains all stars in our solar system; 200 billion stars in the Milky Way • Constellations seen from Earth change during different seasons because the Earth is in a different place in space. – Analogy: a road trip from here to Montgomery: You see different cities on your trip just as yo ...
... system that contains all stars in our solar system; 200 billion stars in the Milky Way • Constellations seen from Earth change during different seasons because the Earth is in a different place in space. – Analogy: a road trip from here to Montgomery: You see different cities on your trip just as yo ...
How are stars formed
... but burn it much more quickly (like a Hummer) The least massive stars have smallest fuel reserves, but burn it very slowly by comparison (like a Moped) Difference in rate of fuel consumption so great that more massive stars exhaust fuel and die much more quickly than low-mass stars ...
... but burn it much more quickly (like a Hummer) The least massive stars have smallest fuel reserves, but burn it very slowly by comparison (like a Moped) Difference in rate of fuel consumption so great that more massive stars exhaust fuel and die much more quickly than low-mass stars ...
Chapter11
... develop theories and models based on physics that help us understand how stars work. For instance, what stops a contracting star and gives it stability? We can understand this phenomenon because we understand some of the basic laws of physics. ...
... develop theories and models based on physics that help us understand how stars work. For instance, what stops a contracting star and gives it stability? We can understand this phenomenon because we understand some of the basic laws of physics. ...
Constellations
... bodies (usually stars) that appear to form a visible pattern in the sky. Constellations were created by ancient people to be able to recognize stars in the sky. The shapes of constellations resemble objects familiar to people. ...
... bodies (usually stars) that appear to form a visible pattern in the sky. Constellations were created by ancient people to be able to recognize stars in the sky. The shapes of constellations resemble objects familiar to people. ...
Measuring Stellar Distances
... moment – suppose you had no prior knowledge of what stars actually were – that you lived in a time where they could be anything. If you simply look up into the night sky you have no idea how far away these objects are or whether or not they are part of our atmosphere, in our solar system, or located ...
... moment – suppose you had no prior knowledge of what stars actually were – that you lived in a time where they could be anything. If you simply look up into the night sky you have no idea how far away these objects are or whether or not they are part of our atmosphere, in our solar system, or located ...
Last Year`s Exam, Section B
... iron fusion does not generate energy when iron core gets too big, it will collapse, and cannot be saved by fusion iron core collapses to neutron star (or, for star as massive as θ1 Orionis C, perhaps black hole) infalling outer regions bounce off rigid neutron star ...
... iron fusion does not generate energy when iron core gets too big, it will collapse, and cannot be saved by fusion iron core collapses to neutron star (or, for star as massive as θ1 Orionis C, perhaps black hole) infalling outer regions bounce off rigid neutron star ...
1” “Sky-Notes” of the Open University Astronomy Club. April 2005
... NGC3226 (11.4) and NGC3227 (10.8) about 1o east of form a close interacting pair of galaxies. NGC3351 (M95) (9.7) sg, NGC 3368 (M96) (9.2) sg and NGC 3379 (M105) (9.3) eg. An excellent trio in the same low power field located about 3o south of 52 Leo. Close to M105 is NGC 3384 (10.0) eg. NGC3623 ( ...
... NGC3226 (11.4) and NGC3227 (10.8) about 1o east of form a close interacting pair of galaxies. NGC3351 (M95) (9.7) sg, NGC 3368 (M96) (9.2) sg and NGC 3379 (M105) (9.3) eg. An excellent trio in the same low power field located about 3o south of 52 Leo. Close to M105 is NGC 3384 (10.0) eg. NGC3623 ( ...
Milky Way - Wayne Hu`s Tutorials
... • Angular positions of stars (as a function of season, time) • Relative radial velocity from Doppler effect ...
... • Angular positions of stars (as a function of season, time) • Relative radial velocity from Doppler effect ...
Luminosity Classes
... In general the less dense a star is the more luminous it will be (because it has more surface area). Luminosity and the thickness of the absorption lines are combined to group stars into Lumniosity Classes. Luminosity Classes are combined with spectral class to describe Stars. The Sun is Class V so ...
... In general the less dense a star is the more luminous it will be (because it has more surface area). Luminosity and the thickness of the absorption lines are combined to group stars into Lumniosity Classes. Luminosity Classes are combined with spectral class to describe Stars. The Sun is Class V so ...
Stars - MrCrabtreesScience
... • Mass of sun, size of earth • The final stage of most stars lives • Eventually cool to form Black Dwarfs ...
... • Mass of sun, size of earth • The final stage of most stars lives • Eventually cool to form Black Dwarfs ...
LAB #3 - GEOCITIES.ws
... LAB. You will begin lab with a short quiz on these questions. What are Magnitudes? Because what we know about stars is due solely to our analysis of their light, it is very important to develop further the idea of stellar magnitude, or how bright a star is. When the Greeks scientist Hipparcos determ ...
... LAB. You will begin lab with a short quiz on these questions. What are Magnitudes? Because what we know about stars is due solely to our analysis of their light, it is very important to develop further the idea of stellar magnitude, or how bright a star is. When the Greeks scientist Hipparcos determ ...
Solution - Caltech Astronomy
... m A = 4.13 MŸ , mB = 0.998 MŸ . (d) Assuming the orbital separation is much larger than the stellar radii, and that the orbits are circular, we can treat the velocity of the stars during eclipse as completely in the plane of the sky. For circular orbits, the maximum radial velocities given are the c ...
... m A = 4.13 MŸ , mB = 0.998 MŸ . (d) Assuming the orbital separation is much larger than the stellar radii, and that the orbits are circular, we can treat the velocity of the stars during eclipse as completely in the plane of the sky. For circular orbits, the maximum radial velocities given are the c ...
Last time: Star Clusters (sec. 19.6)
... 20-2.) The star is also pulsating (period ~years). Eventually so much of the envelope is lost that the last bit of envelope gets ejected as a more or less spherical shell of gas called a planetary nebula. (see pretty images, pp. 526527) (Note: “planetary” has nothing to do with planets; just a histo ...
... 20-2.) The star is also pulsating (period ~years). Eventually so much of the envelope is lost that the last bit of envelope gets ejected as a more or less spherical shell of gas called a planetary nebula. (see pretty images, pp. 526527) (Note: “planetary” has nothing to do with planets; just a histo ...
Lab 6
... Astronomers, including Edwin Hubble, began to use the Hertzsprung-Russell diagram as a powerful tool to determine stellar properties. Initially, the method of standard candles for individual stars was applied to whole clusters within the Milky Way; this method relies on the inverse-square law you sa ...
... Astronomers, including Edwin Hubble, began to use the Hertzsprung-Russell diagram as a powerful tool to determine stellar properties. Initially, the method of standard candles for individual stars was applied to whole clusters within the Milky Way; this method relies on the inverse-square law you sa ...
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 ...
Let f (x) = log x , Let f (x) = loga x , x>0 . (a) Write down the value of (i
... Answer: ________!! ...
... Answer: ________!! ...
Let f (x) = log x , Let f (x) = loga x , x>0 . (a) Write down the value of (i
... Answer: ________!! ...
... Answer: ________!! ...
Stellar Distances - Red Hook Central School District
... Beyond 10 Mpc, it’s hard to distinguish a bright far star from a dimmer closer star. A “standard candle” is a star of known L in a cluster. We can then compare it with other stars in the same galaxy or cluster to determine the luminosity of other stars. ...
... Beyond 10 Mpc, it’s hard to distinguish a bright far star from a dimmer closer star. A “standard candle” is a star of known L in a cluster. We can then compare it with other stars in the same galaxy or cluster to determine the luminosity of other stars. ...
Auriga (constellation)
Auriga is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and remains one of the 88 modern constellations. Located north of the celestial equator, its name is the Latin word for ""charioteer"", associating it with various mythological charioteers, including Erichthonius and Myrtilus. Auriga is most prominent during winter evenings in the Northern Hemisphere, along with the five other constellations that have stars in the Winter Hexagon asterism. Because of its northern declination, Auriga is only visible in its entirety as far as 34° south; for observers farther south it lies partially or fully below the horizon. A large constellation, with an area of 657 square degrees, it is half the size of the largest constellation, Hydra.Its brightest star, Capella, is an unusual multiple star system among the brightest stars in the night sky. Beta Aurigae is an interesting variable star in the constellation; Epsilon Aurigae, a nearby eclipsing binary with an unusually long period, has been studied intensively. Because of its position near the winter Milky Way, Auriga has many bright open clusters in its borders, including M36, M37, and M38, popular targets for amateur astronomers. In addition, it has one prominent nebula, the Flaming Star Nebula, associated with the variable star AE Aurigae.In Chinese mythology, Auriga's stars were incorporated into several constellations, including the celestial emperors' chariots, made up of the modern constellation's brightest stars. Auriga is home to the radiant for the Aurigids, Zeta Aurigids, Delta Aurigids, and the hypothesized Iota Aurigids.