Astro exam 4 - Study guides, Class notes & Summaries

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 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 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 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 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 UPDATED Exam Questions and CORRECT Answers Composition of the Sun - Ans 73% hydrogen, 25% helium Sun stability caused by - Ans balance of gravity (inward force) and hot interior gas pressure (outward force) Cause of interior gas pressure - Ans nuclear fusion reaction in the Sun's core, going on at 15 million Kelvin Dimensions of the Sun - Ans 109 x Earth's diameter, 333,000 x Earth's mass Sun's luminosity - Ans 4 x 10^24 Watt light bulbs

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...

ROOT WORDS PRACTICE & SAT ROOTS WORD PRACTISE EXAM STUDY GUIDE 2024 TO HELP YOU PASS!! 2 / 12 1. Root Word: acer, acid, acri/ Example: acerbic, acidity, acrid, acrimony: Defi-nition: bitter, sour, sharp 2. Root Word: acu/ Example: acute, acupuncture, accurate: Definition: sharp 3. Root Word: ag, agi, ig, act/ Example: agent, agenda, agitate, navigate, am-biguous, action: Definition: do, move, go 4. Root Word: ali, allo, alter/ Example: alias, alibi, alien, alloy, alter, alter ego,altru...

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...