Psu astro - Study guides, Class notes & Summaries

ASTRO 1 PSU EXAM #10 SOLVED

PSU Astro 7N Exam 2 Questions With Answers 100% Correct!!

PSU Astro 7N Midterm Exam With 100% Correct Answers 2024

PSU Astro 7N Exam 2Hydrogen and Helium What gases make up the sun? Magnetic Activity What causes sunspots? Helium-4 What is made from 4 protons during fusion in the sun? Deuterium Nucleus (and released energy) Step 1 of P-P Chain What forms when two protons collide at very high speeds? Helium-3 Nucleus Step 2 of P-P Chain When deuterium and a proton collide it makes this

PSU Astro 7N Exam 1; Questions with Complete Solutions 100% Verified What two properties of a planet affect the gravity we feel on its surface? Correct answerMass 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? Correct answer-Gravity is 5 times stronger on planet A

What is a light year? - distance that light travels in 1 year What is the closest star to Earth besides the Sun? (4.2 ly away) - proxima centauri What is the age of the universe? - 14 billion years What is our cosmic address? What is the Local Group? - Earth, solar system, milky way galaxy, local group, local supercluster Order of planets in our solar system - Mercury, venus, earth, mars, jupiter, saturn, uranus, neptune What is the fastest speed in the universe? - speed of light Typical ...

PSU Astro 7N Exam 1 Questions and Correct Answers, 100% Correct, Updated Fall 2024/2025.

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 1 With 100% Correct Answers 2024

A planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its orbital plane arounA planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its orbital plane arounA planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its orbital plane arounA planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its orbital plane arounA planet in a nearly circular orbit ...