Astro 7n - Study guides, Class notes & Summaries

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...

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

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 2; Questions with Complete Solutions 100% Verified A high luminosity star Correct answer-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 farther away? Correct answer-The red giant The heaviest nuclei of all are formed... Correct answer-During a supernova explosion Hydrogen-2 + proton = ____ + energy: Correct answer-Helium-3

when is the disappearing gibbuous moon most noteworthy overhead - Exact Response ab 3:00am what stage is the moon in, when seen by the individual remaining on the earth in the chart above - Exact Response third quarter at what time will the moon set upon the arrival of a sun oriented obscure - Exact Response sunset stars that are in a similar heavenly body - Exact Response are prone to be at totally different good ways from us the "north star" is a star in the heavenly body of Ursa...

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:...

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:...

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

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,...