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EAPS 105 Homework 1: Verified Solutions and Questions, Exams of English Language

Abilene Christian University (ACU)English Language

A set of homework questions for eaps 105, an introductory course in earth, atmospheric, and planetary sciences. The questions cover topics such as the milky way, the solar system, terrestrial planets, gas giants, ice giants, the asteroid belt, the kuiper belt, hydrogen ions, the sun's structure and evolution, planetary nebulae, stellar evolution, supernovae, molecular clouds, the nebular hypothesis, newton's law of universal gravitation, and angular momentum. Each question is accompanied by a verified solution, making it a valuable resource for students studying these topics. The questions require students to consult wikipedia for answers, promoting research and critical thinking skills.

Typology: Exams

2024/2025

Available from 08/29/2025

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EAPS 105: Homework 1 questions with verified
solutions A+ rated
1. 1.1. In Wikipedia, look up "Milky Way" and answer this C) Because it
appears as
question: Why is our galaxy called the Milky Way?
hazy
band
of
light
in
the
night
sky
formed
from
A)Because the ancient Greeks, who thought the moon stars that
cannot be indi-
was made of cheese, figured that that band
observed in the night sky must also be a dairy
product.
B)
From a Latin translation for "the road to
heaven".
C)
Because it appears as hazy band of light in
the night sky formed from stars that cannot
be individually distinguished.
D)Because ancient astronomers thought it was
a pas-
sage through the fabric that encircles
the cosmos.
2.
1.2. In Wikipedia, look up "Solar System" and
answer
vidually
distinguished.
A)
It
formed
~4.6
billion
this question: Which of the following statement about years ago.
the Solar System is true?
A) It formed ~4.6 billion years ago.
B)
At least one of the giant planets are
formed of rock and metal like the terrestrial
planets.
C)The orbits of the major planets range are
extremely
elliptical.
D)
All the above are true
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pf4
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pf9
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Partial preview of the text

Download EAPS 105 Homework 1: Verified Solutions and Questions and more Exams English Language in PDF only on Docsity!

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solutions A+ rated

  1. 1.1. In Wikipedia, look up "Milky Way" and answer this C) Because it appears as question: Why is our galaxy called the Milky Way? hazy band of light in the night sky formed from A)Because the ancient Greeks, who thought the moon (^) stars that cannot be indi- was made of cheese, figured that that band observed in the night sky must also be a dairy product. B) From a Latin translation for "the road to heaven". C) Because it appears as hazy band of light in the night sky formed from stars that cannot be individually distinguished. D) Because ancient astronomers thought it was a pas- sage through the fabric that encircles the cosmos.
  2. 1.2. In Wikipedia, look up "Solar System" and answer vidually distinguished. A) It formed ~4. billion this question: Which of the following statement about years ago. the Solar System is true? A) It formed ~4.6 billion years ago. B) At least one of the giant planets are formed of rock and metal like the terrestrial planets. C)The orbits of the major planets range are extremely elliptical. D) All the above are true

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solutions A+ rated

  1. 1.3 In Wikipedia, look up "Sun" and answer this ques- tion: About what percent of the Solar System's mass is contained in the Sun? A) 50.0% B) 70.0% C) 85.0% D) 99.9%

D) 99.9%

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solutions A+ rated

C). A planet composed primarily of silicate rocks or metals. D) A planet that has not cleared its orbit of other ob- jects

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solutions A+ rated

  1. 1.7. In Wikipedia, look up "Ice giant" and answer this question: In planetary science what does the term ice refer to? A) Compounds with hydrogen. B) Volatile chemical compounds with freezing points above about 100 K, such as water, ammonia, or methane. C) Any compound below its freezing temperature. D) Compounds that are transparent to visible light. B) Volatile chemical com- pounds with freezing points above about 100 K, such as water, ammonia, or methane.
  2. 1.8. In Wikipedia, look up "Solar System", read the intro B) It formed from the and then scroll down to "Asteroid belt", and answer this question: Which of the following is not a true state- ment about the asteroid belt? A) The asteroid belt occupies the orbit between Mars and Jupiter. B) It formed from the breakup of a planet. C) The total mass of the asteroid belt is unlikely to be more than a thousandth of that of Earth. D) All the above are true. breakup of a planet.
  3. 1.9. In Wikipedia, look up "Solar System", read the intro C) The total mass of the and then scroll down to "Kuiper belt", and answer this Kuiper belt is thought to

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solutions A+ rated

(beyond Neptune's orbit). C) The total mass of the Kuiper belt is thought to be greater than that of Earth. D) All the above are true.

  1. 1.10. In Wikipedia, look up "Hydrogen ion" and answer A) A hydrogen atom that this question: What is a hydrogen ion? has lost or gained an elec- tron A)A hydrogen atom that has lost or gained an electron B) A hydrogen atom combined with another hydrogen atom C) A hydrogen atom without a proton D) A hydrogen atom with two protons
  2. 1.11. In Wikipedia, look up "Sun", read the intro and then scroll down to "Structure and fusion", and answer this question: Heat and Light from our Sun is caused by the fusion of hydrogen into what element? A) Helium B) Carbon C) Oxygen D) Nitrogen
  3. 1.12. In Wikipedia, look up "Sun", read the intro and then scroll down to "After core hydrogen exhausted", A) Helium C) It will turn into a red giant and grow so large and answer this question: What will happen to the Sun that it will engulf Mercury,

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solutions A+ rated

after runs out of hydrogen? A) It will explode as a supernova. B) It will contract into a black hole. C) It will turn into a red giant and grow so large that it will engulf Mercury, Venus, and probably Earth. Venus, and probably Earth.

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solutions A+ rated

caption, "The onion-like layers of a massive, evolved star just before core collapse" — and note what element is in the center. A) Neon

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solutions A+ rated

B) Silicon C) Oxygen D) Iron

  1. 1.16. In Wikipedia, look up "Supernova" and answer this question: What statement about supernovae is true? A) They can occur due to the sudden gravitational col- lapse of a massive star's core. B) Supernovae can expel several solar masses of ma- terial at speeds up to several percent of the speed of light C) Supernovae are a major source of elements in the interstellar medium from oxygen to rubidium. D) All the above
  2. 1.17. In Wikipedia, look up "Molecular cloud" and an- swer this question: What is a molecular cloud? A) An interstellar cloud made of molecular hydrogen where stars are born. B) An interstellar cloud made of hydrogen ions the glow brightly. C)An interstellar cloud made of recent supernova rem- nants. D) An interstellar cloud made of iron and silicon that condense into planets.
  3. 1.18. In Wikipedia, look up "Nebular hypothesis" and answer this question: Which of the following state- ments are true?

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solutions A+ rated

A) According to the nebular theory, stars form in mas- sive and dense clouds of molecular hydrogen called giant molecular clouds. B) The nebular hypothesis suggests that the Solar Sys- tem formed from gas and dust orbiting the Sun. C)A Sun-like star usually takes approximately 1 million years to form, with the protoplanetary disk evolving into a planetary system over the next 10-100 million years. D) All the above

  1. 1.19. In Wikipedia, look up "Newton's law of universal gravitation" and answer this question: Which of the following parameters does not influence the force of gravity between two objects? A) The mass of the objects B) The distance between the objects C) The temperature of the objects D) The gravitational constant C) The temperature of the objects
  2. 1.20. In Wikipedia, look up "Angular momentum", read A) If the size of an object the intro and then scroll down to "Conservation of angular momentum", and answer this question: An- gular momentum is the quantity of the mass of an object times its size (radius) times its angular velocity (how fast it is rotating). Which of the following is a consequence of the conservation of angular momen- tum? Hint:

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solutions A+ rated

Think about the figure skater example dis- cussed. A) If the size of an object is reduced (mass stays the is reduced (mass stays the same), the rotational ve- locity must increase.