Star clusters Study guides, Class notes & Summaries

Astronomy, ASU, Exam 1 | questions and answers | latest What is the definition of the Astronomical Unit? - The average distance between the Sun and the Earth Which sequence is correct when ordered by increasing size? - Earth Solar System Milky Way Galaxy Galaxy Clusters How many stars does a typical galaxy like the Milky Way Galaxy contain? - a few hundred billion How long does it take for light to cross the diameter of the Milky Way Galaxy? - about 100,000 years Which of t...

The text presents a compilation of final exam questions and detailed answers related to the study of galaxies, stars, and the universe, focusing on gravitational interactions, stellar evolution, and cosmic phenomena. Key concepts include the movement of galaxies relative to the Milky Way, the formation and characteristics of different types of galaxies, star formation processes, and the implications of dark matter. The text also covers the dynamics of star clusters, the lifecycle of stars, and t...

DCOM Exam 2 Review Practice Test 2024. Phonemes - correct answer Sounds of language that can change meaning Ex: bathe/bath Speech Delay - correct answer Slower start to speech Speech Disorder - correct answer Not making sounds properly and not developing typical/normal speech patterns at a specific age Articulation - correct answer Sound errors/distortions/substitutions Usually wrong tongue position PAST developmental age Various normative data Phonology - correct answer Disord...

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 %...

Cygnus x-1 - correct answer A powerful x-ray source that is believed to be a black hole in our galaxy Virgo Cluster - correct answer Nearest large cluster of galaxies to our local group SBb - correct answer assignment given to a galaxy with moderately sized nuclear bulge & moderately wound arms starting from a bar through the central part of the galaxy That of an average city, about 10km - correct answer the diameter of a typical neutron star of 1 solar mass is predicted to be approxima...

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...

We have learned that the centre of the milky way contains a very massive black hole. We developed this understanding by: - Monitoring the orbital motions of many individual stars in the very central parts of the Milky Way If the sun were to be squashed down small enough to become a black hole, then: - The planets in the solar system would orbit the Sun in unchanged fashion (but would receive no light from it) The first stellar mass black hole identified, Cygnus X-1, was found in 1973. The n...

ASTR 102 Quiz Questions | 100% Correct Answers | Verified | Latest 2024 Version We have learned that the centre of the milky way contains a very massive black hole. We developed this understanding by: - Monitoring the orbital motions of many individual stars in the very central parts of the Milky Way If the sun were to be squashed down small enough to become a black hole, then: - The planets in the solar system would orbit the Sun in unchanged fashion (but would receive no light from it)...

PHSC 102 Final pt. 2 Questions with Correct Answers What perception of the Milky Way Galaxy did astronomers have in 1900? - Answer-They believed that the Milky Way was the entire universe Globular clusters are mainly found - Answer-in the Galactic halo The period-luminosity relation was discovered in 1908 by - Answer-Henrietta Leavitt Match the property with structures of the galaxy. - Answer-Galactic bulge - contains the super massive black hole in the center Galactic disk - has s...