Astro 7n exam 2 the sun - Study guides, Class notes & Summaries

Astro 7N exam 2 The Sun; Questions with Complete Solutions 100% Verified what is the sun mostly made of? Correct answer-gas true or false the sun is stable due to balance of gravity and gas pressure in its hot interior Correct answer-true how hot is the sun? Correct answer-15 million degrees kelvin what is the sun diameter? Correct answer-109Xearth what is the sun mass? Correct answer-333,000xEarth

Astro 7N exam 2 The Sun (Answered). 100% correct. Updated 2024/2025.

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

ASTRO 7N Exam 2 Question and answers rated A+ 2024 ASTRO 7N Exam 2 Sun's composition - correct answer Composed mostly of gas - hydrogen (73% by mass) and helium (25% by mass)` Sun's stability - correct answer Stable due to balance of gravity (inward force) and gas pressure in its hot interior (outward force) Sun's gas pressure - correct answer Gas pressure provided by nuclear fusion reactions in the Sun's core, going on at a temperature of 15 million degrees Kelvin Sun's diam...

Astro 7n Exam 1 Questions with 100%Correct Answers 2024. 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 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...

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

Astro 7n Exam 1 Questions with 100%Correct Answers 2024. 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 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...

Astro 7n Exam 1 (Unit 1 & 2) Questions with Complete Solutions 100% Verified Newton's First Law Correct answer-An object at rest, or in motion in a straight line at a constant speed, will remain in that state unless acted upon by a force Ex) If the Sun suddenly disappeared, the Earth would continue in the direction that it was traveling in its orbit at that time Newton's Second Law Correct answer-The acceleration of a body due to a force will be in the same direction as the force,...

Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024. 1. A high-luminosity star ... A: is always at a larger distance than a low-luminosity star B: emits more light than a low-luminosity star C: is always redder than a star with a lower luminosity D: is at a lower temperature than a low-luminosity star E: is always at a smaller distance than a low-luminosity star 2. If a red giant appears the same brightness as a red main sequence star, which one is farther away? A:...