Astr 114 - Study guides, Class notes & Summaries

This is a comprehensive and detailed note on fall 2021. *Essential Study Material!!

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,...

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...

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Where on Earth would you be if Polaris (The North Star) was at your zenith? A) North Pole B) Tropic of Cancer C) Arctic Circle D) Equator E) It lies overhead everywhere on Earth. 1) 2) What problem does reflecting telescope adaptive optics correct? A) The light pollution of urban areas B) Defects in the optics of the telescope, such as the original Hubble mirror C) Turbulence in t...

Detailed and comprehensive exam Preparatory Notes on Exam 2 for Astr 114. *Essential Study Material!!