Astro 7n - Study guides, Class notes & Summaries

Astro 7N Final Exam Questions 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

astro 7n exam 2Which of the following does physics professor Bernard Bates assert as essential in order for living organisms to develop advanced technology? -written language -diet consisting of meat -harnessing electricity -ability to see colors -living on land - correct answer living on land Who among the following suggested that there might be life that consists of or lives within "dark matter" or "dark energy" (which actually make up far more of our universe than the atoms we are...

Astro 7N unit 3 and 4 in game questions and answers rated A+ 2024 Astro 7N unit 3 and 4 in game questions B.) 4 H -> He + energy + other products - correct answer What is the general result of the proton-proton chain? A.) Fe -> H + He + Li + Be+... B.) 4 H -> He + energy + other products C.) Au -> Ag + Pt D.) 2 H -> Li + other products E.) 2 He -> 8 H + energy + other products C.) is visible during a solar eclipse - correct answer The corona of the Sun: ...

ASTRO 7N Exam 2Sun'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 diameter and mass compared to Earth - correct answer Diameter:...

Astro 7n Exam 2; Questions with Complete Solutions 100% Verified 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 Correct answer-B

ASTRO 7N - Unit 2Copernicus - correct answer proposed the heliocentric (sun-centered) model of the universe, which replaced the geocentric (earth-centered) model distance between earth and sun - correct answer 1 astronomical unit -1 AU time for earth to orbit sun - correct answer 1 earth year -365 days Kepler's first law - correct answer the planets orbit the sun in elliptical orbits with the sun at one focus -these ellipses tend to be nearly circular for the planets in our solar s...

Astro 7N unit 3 and 4 in game questionsB.) 4 H -> He + energy + other products - correct answer What is the general result of the proton-proton chain? A.) Fe -> H + He + Li + Be+... B.) 4 H -> He + energy + other products C.) Au -> Ag + Pt D.) 2 H -> Li + other products E.) 2 He -> 8 H + energy + other products C.) is visible during a solar eclipse - correct answer The corona of the Sun: A.) is its coolest layer B.) it its convective region C.) is vi...

ASTRO 7N MIDTERM 1UNIT 1 - correct answer Gravity - correct answer 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 Newton's Second Law - correct answer The acceleration of a body due to a force will be in the same direction as the force, with a magnitude directly proportional to its mass Force = mass x acceleration Newton's Third Law - correct answer For every acti...