Psu astro - Study guides, Class notes & Summaries

PSU astro 7N midterm - Questions with Explanations of Answers Latest Update 2024

PSU Astro 7N Exam 2 - Questions with Explanations of Answers Latest Update 2024

A large luminosity star - Emits more light than a low luminosity star If a red giant appears the same brightness as a red main sequence star, which one is further away? - The red giant The heaviest nuclei of all are formed - During a supernova explosion Hydrogen-2 + proton = ? - Hydrogen-2 + proton = Helium-3 Why does the main sequence part of a star's life end? - The hydrogen in the core is exhausted Many of the brightest 100 stars viewed from Earth are not on the main sequence (even tho...

PSU Astro 7N Exam 2 Solved 100% Correct

What two properties of a planet affect the gravity we feel on its surface? - Answer- Mass and radius Two planets have the same radius. If Planet A is 5 times more mass than Planet B, how does gravity differ on the surfaces of the two planets? - Answer- Gravity is 5 times stronger on planet A Say that there were a planet X in our Solar System with a mass 1/4 the mass of Earth and a radius 1/2 the radius of Earth. How will the gravity on its surface compare to the surface gravity of Earth? -...

PSU Astro 7N Exam 1 - Questions with Explanations of Answers

PSU ASTRO 001 UNIT 3 EXAM-With 100% verified solutions

PSU astro 7N PASSED Exam Questions and CORRECT Answers What spectral type is Proxima Centauri closest to? - Ans M5 So Proxima Centauri is in the lower right of this diagram, which seems to correspond to ________ temperatures and ________ luminosities - Ans Low, Low It looks like as the temperature increases the star moves to the _______ on the HR diagram, and it gets _______ and ________ - Ans left/smaller/bluer And that means if I move the temperature slider down, the star moves to th...

PSU Astro 7N Exam 1 - Questions with Explanations of Answers Latest Update 2024