PowerPoint
... A high-mass star can continue to fuse elements in its core right up to Iron (after which the fusion reaction is energetically unfavored). As heavier elements are fused, the reactions go faster and faster! ...
... A high-mass star can continue to fuse elements in its core right up to Iron (after which the fusion reaction is energetically unfavored). As heavier elements are fused, the reactions go faster and faster! ...
It is evident from our observations of impact craters on planets and
... graph and lies in the main sequence band. Other main regions were highlighted as were masses and radii of stars in the different regions. Demonstrations were done using water and sound waves to illustrate the Doppler Effect. A handout was given that showed the effect of motion on spectra. Much usefu ...
... graph and lies in the main sequence band. Other main regions were highlighted as were masses and radii of stars in the different regions. Demonstrations were done using water and sound waves to illustrate the Doppler Effect. A handout was given that showed the effect of motion on spectra. Much usefu ...
Earth Rotation and Revolution
... on September 21 and going to the Tropic of Capricorn (23.5° S) where it turns around and starts going back up passing the Equator on March 21and arriving at the Tropic of Cancer again on June 21. ...
... on September 21 and going to the Tropic of Capricorn (23.5° S) where it turns around and starts going back up passing the Equator on March 21and arriving at the Tropic of Cancer again on June 21. ...
Rotation & Revolution
... on September 21 and going to the Tropic of Capricorn (23.5° S) where it turns around and starts going back up passing the Equator on March 21and arriving at the Tropic of Cancer again on June 21. ...
... on September 21 and going to the Tropic of Capricorn (23.5° S) where it turns around and starts going back up passing the Equator on March 21and arriving at the Tropic of Cancer again on June 21. ...
giant molecular clouds
... Giant Molecular Clouds => Stars do not form isolated, but in large groups, called Open Clusters of Stars. ...
... Giant Molecular Clouds => Stars do not form isolated, but in large groups, called Open Clusters of Stars. ...
PowerPoint. - teachearthscience.org
... The apparent wobble of stars due to the gravitational influence of planets is evidence of the presence of one or more planets orbiting distant stars. This has become a technique to permit us to infer the presence of planets around other stars. Planets outside our own solar system are known as exopl ...
... The apparent wobble of stars due to the gravitational influence of planets is evidence of the presence of one or more planets orbiting distant stars. This has become a technique to permit us to infer the presence of planets around other stars. Planets outside our own solar system are known as exopl ...
Post-class version
... Superclusters line up in filaments, which are separated by empty spaces or voids. ...
... Superclusters line up in filaments, which are separated by empty spaces or voids. ...
North Star pulses brightly with constant change
... People believe a lot of things that are simply untrue. Like that it's cold in winter because Earth is farther from the sun. Or that Polaris, the "North Star," is the brightest star in the sky. Polaris is only the 49th-brightest star visible from Earth. But two things make Polaris special. One is tha ...
... People believe a lot of things that are simply untrue. Like that it's cold in winter because Earth is farther from the sun. Or that Polaris, the "North Star," is the brightest star in the sky. Polaris is only the 49th-brightest star visible from Earth. But two things make Polaris special. One is tha ...
The Temperatures of Stars
... A Stellar Spectrum A stellar spectrum is produced by taking starlight and spreading it out into its constituent colors, such as: ...
... A Stellar Spectrum A stellar spectrum is produced by taking starlight and spreading it out into its constituent colors, such as: ...
Objectives
... • Energy released is more than 100 times what our sun will radiate over its entire lifetime • Supernovas outshine ALL the stars in its own galaxy COMBINED!! • May even be visible on earth during daylight hours • very rare ...
... • Energy released is more than 100 times what our sun will radiate over its entire lifetime • Supernovas outshine ALL the stars in its own galaxy COMBINED!! • May even be visible on earth during daylight hours • very rare ...
05Sky1.ppt - NMSU Astronomy
... • How can we describe where astronomical objects are located in the sky? – Since we can’t immediately infer distances of astronomical objects by just looking at them, all we can describe is what direction they are in – Imagine that stars can be described by their location on an imaginary sphere cent ...
... • How can we describe where astronomical objects are located in the sky? – Since we can’t immediately infer distances of astronomical objects by just looking at them, all we can describe is what direction they are in – Imagine that stars can be described by their location on an imaginary sphere cent ...
Calculating Main Sequence Lifetimes
... stars having larger magnitudes. Don’t confuse the relative magnitude with absolute magnitude. The relative magnitude measures the brightness of a star as it appears in the sky and it depends on the brightness and on the distance; if we put a star at the distance of 10 Parsec (33 year light), its mag ...
... stars having larger magnitudes. Don’t confuse the relative magnitude with absolute magnitude. The relative magnitude measures the brightness of a star as it appears in the sky and it depends on the brightness and on the distance; if we put a star at the distance of 10 Parsec (33 year light), its mag ...
Word
... Hubble Space Telescope observed the spectrum of this material and, from the Doppler shifts of the spectral lines, found that the material is orbiting at 550 km/sec at a distance of 40 pc from the center of that galaxy. Use Kepler’s Third Law to calculate the black hole’s mass to two significant figu ...
... Hubble Space Telescope observed the spectrum of this material and, from the Doppler shifts of the spectral lines, found that the material is orbiting at 550 km/sec at a distance of 40 pc from the center of that galaxy. Use Kepler’s Third Law to calculate the black hole’s mass to two significant figu ...
HOMEWORK #1
... Hubble Space Telescope observed the spectrum of this material and, from the Doppler shifts of the spectral lines, found that the material is orbiting at 550 km/sec at a distance of 40 pc from the center of that galaxy. Use Kepler’s Third Law to calculate the black hole’s mass to two significant figu ...
... Hubble Space Telescope observed the spectrum of this material and, from the Doppler shifts of the spectral lines, found that the material is orbiting at 550 km/sec at a distance of 40 pc from the center of that galaxy. Use Kepler’s Third Law to calculate the black hole’s mass to two significant figu ...
Hungry Young Stars: A New Explanation for the FU Ori Outbursts
... • Interactions with the spiral arms in the disk drives the embryos into the central star, resulting in colossal bursts of luminosity. This process repeats as long as nebular material rains onto the disk. ...
... • Interactions with the spiral arms in the disk drives the embryos into the central star, resulting in colossal bursts of luminosity. This process repeats as long as nebular material rains onto the disk. ...
answer key
... We can read the star’s luminosity directly off a graph and determine its distance by measuring the energy flux at Earth using the inverse-square law. The existence of the main sequence allows us to make a connection between an easily measured quantity (temperature) and the star’s luminosity, which w ...
... We can read the star’s luminosity directly off a graph and determine its distance by measuring the energy flux at Earth using the inverse-square law. The existence of the main sequence allows us to make a connection between an easily measured quantity (temperature) and the star’s luminosity, which w ...
For stars
... it doesn’t lie due North –and eventually will move and Vega will be our North Star, Why do you think this is happening? Discuss with your elbow partner, write down your thoughts on your white board, be ready to defend them. ...
... it doesn’t lie due North –and eventually will move and Vega will be our North Star, Why do you think this is happening? Discuss with your elbow partner, write down your thoughts on your white board, be ready to defend them. ...
OVERVIEW: Stars and space
... 13.10 What is the life history of stars? Using skills, knowledge and understanding of how science works: • to explain how stars are able to maintain their energy output for millions of years • to explain why the early Universe contained only hydrogen but now contains a large variety of different ele ...
... 13.10 What is the life history of stars? Using skills, knowledge and understanding of how science works: • to explain how stars are able to maintain their energy output for millions of years • to explain why the early Universe contained only hydrogen but now contains a large variety of different ele ...
Fall 2014 -- Astronomy 1010: Planetary Astronomy Exam 1
... ____ 22. If you go out at exactly 9 P.M. each evening over the course of one month, the position of a given star will move westward by tens of degrees. What causes this motion? a. the Earth’s rotation on its axis b. the revolution of the Earth around the Sun c. the revolution of the Moon around the ...
... ____ 22. If you go out at exactly 9 P.M. each evening over the course of one month, the position of a given star will move westward by tens of degrees. What causes this motion? a. the Earth’s rotation on its axis b. the revolution of the Earth around the Sun c. the revolution of the Moon around the ...
Sample exam 2
... 12. What are the conditions necessary to initiate star formation? Give at least three different characteristics, and how each leads to (or is needed for) star formation. 13. Suppose you are looking at the emission spectrum of gaseous helium. You dutifully write down the wavelengths of emission. You ...
... 12. What are the conditions necessary to initiate star formation? Give at least three different characteristics, and how each leads to (or is needed for) star formation. 13. Suppose you are looking at the emission spectrum of gaseous helium. You dutifully write down the wavelengths of emission. You ...
Ursa Major
Ursa Major /ˈɜrsə ˈmeɪdʒər/ (also known as the Great Bear and Charles' Wain) is a constellation in the northern celestial hemisphere. One of the 48 constellations listed by Ptolemy (second century AD), it remains one of the 88 modern constellations. It can be visible throughout the year in most of the northern hemisphere. Its name, Latin for ""the greater (or larger) she-bear"", stands as a reference to and in direct contrast with Ursa Minor, ""the smaller she-bear"", with which it is frequently associated in mythology and amateur astronomy. The constellation's most recognizable asterism, a group of seven relatively bright stars commonly known as the ""Big Dipper"", ""the Wagon"" or ""the Plough"" (among others), both mimicks the shape of the lesser bear (the ""Little Dipper"") and is commonly used as a navigational pointer towards the current northern pole star, Polaris in Ursa Minor. The Big Dipper and the constellation as a whole have mythological significance in numerous world cultures, usually as a symbol of the north.The third largest constellation in the sky, Ursa Major is home to many deep-sky objects including seven Messier objects, four other NGC objects and I Zwicky 18, the youngest known galaxy in the visible universe.