a. Recognize the physical attributes of stars in the night sky such as
... This is not meant to be printed off and given as a test…this document is to give you ideas of how this standard might be assessed. Please use these as an example when you are developing your own formative assessments. Remember formative assessment is to be given throughout the teaching of a standard ...
... This is not meant to be printed off and given as a test…this document is to give you ideas of how this standard might be assessed. Please use these as an example when you are developing your own formative assessments. Remember formative assessment is to be given throughout the teaching of a standard ...
Stellar Evolution 1 Star Formation 2 Nebulae
... What are the basic properties of giant molecular clouds? How do clumps form in giant molecular clouds? How do clumps in giant molecular clouds evolve? What are the conditions for which this kind of evolution takes place? Where are protostars found on an H-R diagram? How do their locations on ...
... What are the basic properties of giant molecular clouds? How do clumps form in giant molecular clouds? How do clumps in giant molecular clouds evolve? What are the conditions for which this kind of evolution takes place? Where are protostars found on an H-R diagram? How do their locations on ...
Summer 2001 Day 07: Intro to Solar System
... 4) What does the brightness of a star depend on? A) Define brightness as the watts/m2 received from a star. B) Brightness follows an inverse square relation B=L/(4πR2). Draw the picture (see figure 54.2 C) Calculate the brightness of the Sun as seen from Earth B=1,355 W/m2 i) Typical stellar brightn ...
... 4) What does the brightness of a star depend on? A) Define brightness as the watts/m2 received from a star. B) Brightness follows an inverse square relation B=L/(4πR2). Draw the picture (see figure 54.2 C) Calculate the brightness of the Sun as seen from Earth B=1,355 W/m2 i) Typical stellar brightn ...
Monday, October 27
... The Earth orbits the Sun at a distance of one meter Proxima Centauri lies 270 kilometers (170 miles) away Barnard’s Star lies 370 kilometers (230 miles) away Less than 100 stars lie within 1000 kilometers (600 miles) ...
... The Earth orbits the Sun at a distance of one meter Proxima Centauri lies 270 kilometers (170 miles) away Barnard’s Star lies 370 kilometers (230 miles) away Less than 100 stars lie within 1000 kilometers (600 miles) ...
Star Life Guided Notes
... pressure ceases Core ________ at 1/4 the speed of light & takes about 1/10 of a second Collapse of the core to about 100 km across Outer layers “bounce” of the solid core Releases 100x the energy of our sun produces in it’s lifetime -- in 1/10 of a ...
... pressure ceases Core ________ at 1/4 the speed of light & takes about 1/10 of a second Collapse of the core to about 100 km across Outer layers “bounce” of the solid core Releases 100x the energy of our sun produces in it’s lifetime -- in 1/10 of a ...
Chapter 26 Book Questions
... Hubble’s Law (pages 852–853) 22. True or false? The apparent change in frequency and wavelength of a wave as it moves towards or away from an observer is known as the Doppler effect. __________________ 23. How can astronomers use the Doppler effect? ______________________________________________ ___ ...
... Hubble’s Law (pages 852–853) 22. True or false? The apparent change in frequency and wavelength of a wave as it moves towards or away from an observer is known as the Doppler effect. __________________ 23. How can astronomers use the Doppler effect? ______________________________________________ ___ ...
Page 1 Astronomy 110 Homework #08 Assigned: 03/13/2007 Due
... A) to dim and redden distant stars by preferentially scattering their blue light. B) to scatter the red light from stars preferentially, making them appear more blue than expected. C) almost nonexistent, because light does not interact with dust. D) to make stars appear less bright than expected by ...
... A) to dim and redden distant stars by preferentially scattering their blue light. B) to scatter the red light from stars preferentially, making them appear more blue than expected. C) almost nonexistent, because light does not interact with dust. D) to make stars appear less bright than expected by ...
6. Star Colors and the Hertzsprung
... Looking ahead, color can be converted to temperature and absolute magnitude to luminosity to give the Hertzsprung-Russel diagram in more physical units ...
... Looking ahead, color can be converted to temperature and absolute magnitude to luminosity to give the Hertzsprung-Russel diagram in more physical units ...
The Life Cycle of Stars
... by reading up on Main Sequence Stars and find out how our sun compares in mass to other stars like Sirius, and Proxima Centauri. Based on its mass, will our sun be around for a while? ...
... by reading up on Main Sequence Stars and find out how our sun compares in mass to other stars like Sirius, and Proxima Centauri. Based on its mass, will our sun be around for a while? ...
Quiz Solution: 1 April 2013 What does it mean when an astronomer
... Quiz Solution: 1 April 2013 What does it mean when an astronomer says that a star "moves" from one place to another on an H-R Diagram? Can you provide an example of this? As stars evolve and change structure, their radii and temperatures also change. Since a star's luminosity is dependent on both te ...
... Quiz Solution: 1 April 2013 What does it mean when an astronomer says that a star "moves" from one place to another on an H-R Diagram? Can you provide an example of this? As stars evolve and change structure, their radii and temperatures also change. Since a star's luminosity is dependent on both te ...
a star is born reading
... years. It will take that long to cool off. As it cools, it will become a white dwarf. Once it stops glowing, it will become a black dwarf. There are no known black dwarfs in our universe. Blue giant stars are very bright and very hot. They burn fuel very quickly. It runs out in ten thousand to 100 t ...
... years. It will take that long to cool off. As it cools, it will become a white dwarf. Once it stops glowing, it will become a black dwarf. There are no known black dwarfs in our universe. Blue giant stars are very bright and very hot. They burn fuel very quickly. It runs out in ten thousand to 100 t ...
Positions in the Solar System
... The Universe contains billions of galaxies, each containing millions or billions of stars. Therefore, the galaxy in which our solar system and essentially all of us live, is just one of billions. ...
... The Universe contains billions of galaxies, each containing millions or billions of stars. Therefore, the galaxy in which our solar system and essentially all of us live, is just one of billions. ...
Position in Solar System ppt
... first the galaxies. draincomets, in a circle. planets, planets, moons, and asteroids. ...
... first the galaxies. draincomets, in a circle. planets, planets, moons, and asteroids. ...
Slide 1
... The Universe contains billions of galaxies, each containing millions or billions of stars. Therefore, the galaxy in which our solar system and essentially all of us live, is just one of billions. ...
... The Universe contains billions of galaxies, each containing millions or billions of stars. Therefore, the galaxy in which our solar system and essentially all of us live, is just one of billions. ...
30-2 Directed Reading
... increases as the mass of an object a. decreases or as the distance between two objects decreases. b. increases or as the distance between two objects increases. c. increases or as the distance between two objects decreases. d. decreases or as the distance between two objects increases. 8. What happe ...
... increases as the mass of an object a. decreases or as the distance between two objects decreases. b. increases or as the distance between two objects increases. c. increases or as the distance between two objects decreases. d. decreases or as the distance between two objects increases. 8. What happe ...
Oct 2017 - What`s Out Tonight?
... cury, Venus, Mars, Jupiter and Saturn. Venus is extremely bright Open clusters reside in our Milky Way Galaxy. Our Sun is no and hugs close to the Sun, so you see it for a short time in the longer in its group. west after sunset or in the east before sunrise. Jupiter can be out Globular Clusters loo ...
... cury, Venus, Mars, Jupiter and Saturn. Venus is extremely bright Open clusters reside in our Milky Way Galaxy. Our Sun is no and hugs close to the Sun, so you see it for a short time in the longer in its group. west after sunset or in the east before sunrise. Jupiter can be out Globular Clusters loo ...
The Milky Way * A Classic Galaxy
... • Pop II, metal-poor stars, all in the bulge and halo • Pop I,II show MW formed spheroid first, then disk more gradually. • Hubble discovered Cepheids in Andromeda Nebula, so it’s a Galaxy, and we must be one too • Star formation happening in disk right through today • 10 million solar mass Giant bl ...
... • Pop II, metal-poor stars, all in the bulge and halo • Pop I,II show MW formed spheroid first, then disk more gradually. • Hubble discovered Cepheids in Andromeda Nebula, so it’s a Galaxy, and we must be one too • Star formation happening in disk right through today • 10 million solar mass Giant bl ...
Ast 405, Pulsating Stars The following is based Chapter 14 of the
... • 12. Contracting gases heat up and expanding gases cool down according to the ideal gas law. This is what is to be expected during an adiabatic change. But pulsating stars generally are brightest when they are expanding through their equilbrium radius. This is the phase lag for classical Cepheids ...
... • 12. Contracting gases heat up and expanding gases cool down according to the ideal gas law. This is what is to be expected during an adiabatic change. But pulsating stars generally are brightest when they are expanding through their equilbrium radius. This is the phase lag for classical Cepheids ...
The Life CyCLe of STarS - Origins
... 33 Star Birth. The atoms produced by the previous generation of stars become part of a new generation. New stars called nebulae are formed inside rich clouds of gas and dust (see photo next page). Within this stellar nursery, a small dense pocket of gas and dust begins to collapse under gravity. Thi ...
... 33 Star Birth. The atoms produced by the previous generation of stars become part of a new generation. New stars called nebulae are formed inside rich clouds of gas and dust (see photo next page). Within this stellar nursery, a small dense pocket of gas and dust begins to collapse under gravity. Thi ...
Branches of Earth Science
... Light Year- Astronomers use light years to measure the distances ______________ stars o A light year is the distance that light ______________ in one year 9,460,730,472,580.8 km 5,878,630,000,000 miles Parallax- the apparent change in the ______________ of a star in the sky. o The change is due ...
... Light Year- Astronomers use light years to measure the distances ______________ stars o A light year is the distance that light ______________ in one year 9,460,730,472,580.8 km 5,878,630,000,000 miles Parallax- the apparent change in the ______________ of a star in the sky. o The change is due ...
chapter 17 measuring the stars
... (including the Sun itself) ~The color of any 24, 000 K object glows white o White Dwarf: A dwarf star with sufficiently high surface temperature that it glows white ...
... (including the Sun itself) ~The color of any 24, 000 K object glows white o White Dwarf: A dwarf star with sufficiently high surface temperature that it glows white ...
3A8d
... of occasional instances of galaxies merging at the present time. In each case explain why the same observations are not as readily understood in the traditional formation/evolution model, which proposed that the formation of galaxies was largely completed in single rapid collapse events more than 10 ...
... of occasional instances of galaxies merging at the present time. In each case explain why the same observations are not as readily understood in the traditional formation/evolution model, which proposed that the formation of galaxies was largely completed in single rapid collapse events more than 10 ...
The Universe
... It is believed to be around 14 billion years old, and at least 93 billion light years across. The Universe is believed to have originated in the Big Bang. It is changing all the time, both expanding in size, and changing in composition. It contains billions of galaxies, each containing billions of s ...
... It is believed to be around 14 billion years old, and at least 93 billion light years across. The Universe is believed to have originated in the Big Bang. It is changing all the time, both expanding in size, and changing in composition. It contains billions of galaxies, each containing billions of s ...
1. absolute brightness -
... 17. mass-luminosity relation • luminosity increases roughly like the mass raised to the third power ...
... 17. mass-luminosity relation • luminosity increases roughly like the mass raised to the third power ...
Serpens
Serpens (""the Serpent"", Greek Ὄφις) is a constellation of the northern hemisphere. One of the 48 constellations listed by the 2nd-century astronomer Ptolemy, it remains one of the 88 modern constellations defined by the International Astronomical Union. It is unique among the modern constellations in being split into two non-contiguous parts, Serpens Caput (Serpent's Head) to the west and Serpens Cauda (Serpent's Tail) to the east. Between these two halves lies the constellation of Ophiuchus, the ""Serpent-Bearer"". In figurative representations, the body of the serpent is represented as passing behind Ophiuchus between Mu Serpentis in Serpens Caput and Nu Serpentis in Serpens Cauda.The brightest star in Serpens is the red giant star Alpha Serpentis, or Unukalhai, in Serpens Caput, with an apparent magnitude of 2.63. Also located in Serpens Caput are the naked-eye globular cluster Messier 5 and the naked-eye variables R Serpentis and Tau4 Serpentis. Notable extragalactic objects include Seyfert's Sextet, one of the densest galaxy clusters known; Arp 220, the prototypical ultraluminous infrared galaxy; and Hoag's Object, the most famous of the very rare class of galaxies known as ring galaxies.Part of the Milky Way's galactic plane passes through Serpens Cauda, which is therefore rich in galactic deep-sky objects, such as the Eagle Nebula (IC 4703) and its associated star cluster Messier 16. The nebula measures 70 light-years by 50 light-years and contains the Pillars of Creation, three dust clouds that became famous for the image taken by the Hubble Space Telescope. Other striking objects include the Red Square Nebula, one of the few objects in astronomy to take on a square shape; and Westerhout 40, a massive nearby star-forming region consisting of a molecular cloud and an H II region.