Star clusters Study guides, Class notes & Summaries

- FIELD OF VIEW - The area visible in an image. Usually given as the diameter of the region. HOW LARGE IS THE FIELD OF VIEW? - 1 mile wide or 1.6 km wide WHAT TYPE OF SYSTEM DO ALL SCIENTISTS USE TO MEASURE SIZES? - The metric system. What is the SI unit of force? - The newton named after Isaac newton What is the SI unit of energy? - Joule (J) How is density expressed in Si units? - Kilograms per cubic meter Temperature is expressed on what scale? - Kelvin scale What is the ...

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,...

Rank the following from earliest to latest: protostars, dark globule, star cluster, supernova - Dark globule, protostars, supernova, star cluster Which type of light will be most affected by interstellar extinction? - Ultraviolet Globular clusters formed _______________ the gas from which our galaxy formed had time to collapse into a disk. - before The first stage of stellar evolution is the ___________________ phase - protostellar Time moves slower the _____________ you're moving - faste...

Test Bank for Foundations of Astronomy, 14e 14th Edition by Michael A. Seeds, Dana Backman. Full Chapters test bank included Part 1: Exploring the Sky Chapter 1: Here and Now 1-1 Where Are We? 1-2 When Is Now? 1-3 Why Study Astronomy? Chapter 2: A User's Guide to the Sky 2-1 Stars and Constellations 2-2 The Sky and Celestial Motions 2-3 Sun and Planets 2-4 Astronomical Influences on Earth's Climate Chapter 3: Moon Phases and Eclipses 3-1 The Changeable Moon 3-2 Lunar Eclipses...

Floral design review questions with complete solutions __________ is the storage or shipment of flowers out of water. Dry pack Floral Material that has an "airy" look to create the finishing touch. filler The supplies, materials, and methods that designers use to place and hold flowers and foliage in an arrangement are called _________. mechanics __________ is the act of cutting flower stems properly and providing them proper treatments are any stage in the distribution proces...

What are the characteristics of disk stars (yellow) of the Milky Way Galaxy? - High mass stars, the Sun, youngest stars, and stars that all orbit in nearly the same plane What are the characteristics of halo stars (green) of the Milky Way Galaxy? - Globular clusters, oldest stars, stars whose orbits can be inclined at any angle, and stars with smallest abundance of heavy elements. What are the characteristics of spiral galaxies? - They contain abundant clouds of cool gas and dust, are rare...

1) The Hertzsprung-Russell Diagram plots ________ against the spectral type or temperature. A) brightness or apparent magnitude B) mass C) distance D) size or density E) luminosity or absolute magnitude 1) 2) Which event marks the birth of a star? A) formation of the planetary nebula B) collapse of an interstellar cloud C) formation of a photosphere D) instability in an interstellar cloud E) fusion of hydrogen atoms into helium atoms 2) 3) Dr. Smith believes that the Hubble constan...

Space Tools Exam Questions with 100% Correct Answers 2024 refractor telescope a device that uses lenses to bend light from an object and focus it into an image reflector telescope A device that uses a large mirror to reflect and focus light. satellite an object that orbits Earth with special instruments and telescopes that collect information space observatories telescopes or other instruments that have been launched into outer space to collect data on distant planets, galaxi...

Space Tools Exam Questions with 100% Correct Answers Verified | Updated 2024/2025 refractor telescope a device that uses lenses to bend light from an object and focus it into an image reflector telescope A device that uses a large mirror to reflect and focus light. satellite an object that orbits Earth with special instruments and telescopes that collect information space observatories telescopes or other instruments that have been launched into outer space to collect data on...

1. Which of the following definitions best describes a constellation? a. a region of the sky containing a certain star pattern b. a group of very bright stars c. a group of very faint stars d. the dividing line between the north and south celestial hemispheres ANSWER: a 2. How many official constellations are there? a. 98 b. 88 c. 13 d. 55 ANSWER: b 3. Which of the following best describes the Big Dipper? a. an asterism b. a faint star near...