Cepheid period - Study guides, Class notes & Summaries

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GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law 2023
  • GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law 2023

  • Exam (elaborations) • 13 pages • 2023
  • GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law 2023. Collect data: Locate and select the yellow Cepheid variable star (A-091) in the lower left section of the Andromeda Galaxy. Click the Collect data button. You will see a graph of the apparent brightness of the star over time. A. How does the star’s apparent brightness change over time? It decreases, then increases, and decreases again. Its like a pattern. B. Turn on Show time probes. Set the left probe at the first brigh...
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ASTR 1010 Final Vanderbilt; Questions And  Answers
  • ASTR 1010 Final Vanderbilt; Questions And Answers

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  • ASTR 1010 Final Vanderbilt; Questions And Answers radioactive decay - answer -the process by which radioactive isotope breaks down into a stable isotope of same/another element; each half-life leaves half of existing population of radioactive isotope star cluster + special properties - answer -gravitationally bound stars formed from the same gas cloud; all about same dstnc from Earth, all about same age; open clusters have countable stars, globular clusters have too many to count (st...
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ASTRO 205 Multiple Exam Questions  and Answers Rated A.
  • ASTRO 205 Multiple Exam Questions and Answers Rated A.

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  • ASTRO 205 Multiple Exam Questions and Answers Rated A.
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GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law
  • GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law

  • Exam (elaborations) • 13 pages • 2023
  • GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law. absolute brightness, absorption spectrum, apparent brightness, Big Bang theory, blueshift, Cepheid variable, Doppler shift, Hubble constant, Hubble’s law, luminosity, megaparsec, period, redshift, spectrograph Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Standing by the side of a lonely highway at night, you see two motorcycle headlights, one in each direction. The headlight on your left appears brighter than ...
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Astronomy 110 Final Exam
  • Astronomy 110 Final Exam

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  • How many constellations are there? - 88 constellations lookback time - The time elapsed between when we detect the light here on Earth and when it was originally emitted by the source, is known as the 'lookback time'. Center of Milky Way - The Galactic Center (or Galactic Centre) is the rotational center of the Milky Way galaxy; it is a supermassive black hole of 4.100 ± 0.034 million solar masses, which powers the compact radio source Sagittarius A. Period- Luminosity relation - In ...
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ASTRO test 4 with 100% correct answers 2024.
  • ASTRO test 4 with 100% correct answers 2024.

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  • the speed of light is about ___________________. - correct answer 1 ly/year Imagine that you travel the speed of light. Starting from earth, how long would it take you to travel to the center of the milky way galaxy - correct answer about 28,000 years the galactic center lies in the direction of which constellation - correct answer sagittarius we have evidence that a black hole lays in the very center of the Milky Way galaxy. what is the mass of this black hole - correct answer 4 millio...
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Science Bowl Astronomy Exam Questions With Complete Solutions (Verified And Updated)
  • Science Bowl Astronomy Exam Questions With Complete Solutions (Verified And Updated)

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  • Science Bowl Astronomy Exam Questions With Complete Solutions (Verified And Updated) A solar eclipse can only occur at a: A. full moon B. new moon C. ½ gibbous moon D. ¼ gibbous moon - answerAnswer: B Which of the following constellations cannot be seen in the summer sky of the northern hemisphere? A. Libra B. Orion C. Ursa Major D. Cygnus - answerAnswer: B What percent of stars in the sky that appear to be single stars are actually binary stars: A. about 90% B. about 50% C. about 20 %...
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GIZMOS  Student Exploration; Big Bang Theory | Hubble’s Law 2023
  • GIZMOS Student Exploration; Big Bang Theory | Hubble’s Law 2023

  • Exam (elaborations) • 13 pages • 2023
  • GIZMOS Student Exploration; Big Bang Theory | Hubble’s Law 2023. Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Standing by the side of a lonely highway at night, you see two motorcycle headlights, one in each direction. The headlight on your left appears brighter than the one on your right. 1. If the headlights are equally bright, which motorcycle is closer? The one on the left side Explain: If it is brighter than that means its going to be closer because the light particle...
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ASTR 205 Quiz 2
  • ASTR 205 Quiz 2

  • Exam (elaborations) • 2 pages • 2025
  • The first stars to form in our galaxy - had highly elliptical orbits The most likely theories to explain the spiral structure of spiral galaxies are - selfsustaining star formation and the density wave theory. A Type II Cepheid has been located in a distant globular cluster with a period of 10 days. What is the star's absolute magnitude? - −1 Besides the obvious difference in shape, elliptical galaxies differ from spirals by - containing little gas and dust, and few, if any, newly for...
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Exam 3A  -  Binghamton University ASTR 114 | Latest 2023-2024
  • Exam 3A - Binghamton University ASTR 114 | Latest 2023-2024

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  • 1) The rotation curve of the Milky Way suggests that the majority of the mass of the Milky Way lies farther out than the Sun's orbit. A) True B) False 1) 2) Which of the following best describes the evolutionary track followed on the H-R diagram for the most massive stars (before the star undergoes a Type II supernova)? A) horizontally right, then forms a clockwise loop B) horizontally right, diagonally to lower left, then horizontally right C) diagonally to lower right, then vertical,...
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