Astro 1 - Study guides, Class notes & Summaries

Astro 1 PSU Final Exam Real exam questions and answers latest update

ASTRO 102 - FINAL EXAM

Astro 1 Exam 1 PSU Real exam questions and answers latest update

Astro 102 Final Sets Questions With 100% Correct Answers | Latest Update What is the main reason that astronomers have devoted many years of effort to determining the rotation curve for the Milky Way galaxy - ANSWER : The rotation curve can be used to help us determine the distribution of the mass in the galaxy How does the diameter of the disk of the Milky Way compare to its thickness? - ANSWER : The diameter is about 100 times greater than its thickness The most common form...

Astro 102 Final Exam Ultimate Study Guide | 100% Correct Answers | Verified | Latest 2024 Version

1. What two properties of a planet affect the gravity we feel on its surface? A: radius and distance from the Sun B: radius and temperature C: mass and distance from the Sun D: mass and radius E: mass and temperature - D 2. Two planets have the same radius. If Planet A is 5 times more massive than Planet B, how does gravity differ on the surfaces of the two planets? A: gravity is 5 times stronger on Planet B B: gravity is 5 times stronger on Planet A C: gravity is 25 times stronger on ...

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...

Astro 1 Exam 2 PSU | 100 Verified Questions with 100% Correct Answers | Updated for Academic Year Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. - What is the order of the planets with distance from the Sun? Venus - Which planet has the highest surface temperature? Jupiter - Which planet has the largest mass? Uranus - Which planet has the largest tilt of its spin axis? Mercury - Which planet has the largest temperature variations? Venus - Which planet rotates backw...

Astro 1 PSU Exam QUESTIONS WITH COMPLETE SOLUTIONS Which is the smallest object? - CORRECT ANSWER -A neutron star A galaxy has an H-alpha emission line observed at a wavelength 10 percent larger than the rest wavelength of H-alpha. What is the redshift of the galaxy? - CORRECT ANSWER -0.1 What is in this image? - CORRECT ANSWER -Supernova remnant Which is the most luminous? - CORRECT ANSWER -Quasar Which contains the most stars? - CORRECT AN...

ASTRO 1 EXAM 1 PENN STATE QUESTIONS AND ANSWERS 2024