Astr 121 Study guides, Class notes & Summaries
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ASTR 121|71 Section 3 Quiz Questions Well Solved|2024
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A gas cloud collapses because of - ️️self-gravity 
A low pressure region in Jupiter's southern hemisphere moves - ️️counter-clockwise 
A problem for the encounter hypothesis is - ️️hot gas expands 
stars move too fast 
A virus is - ️️non-living in isolation 
Are moon for TNO's common? - ️️yes 
Based on its shape, which moon formed from a molten object? - ️️Titan 
Ceres, the first asteroid to be discovered, lies between Mars and Jupiter. Why was Ceresunknown to ancient a...
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ASTR 121|47 Midterm 2 Questions Well Answered| Success Guaranteed
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3 key processes from solar nebula to spinning disk - ️️1. heating 2. spinning 3. flattening 
4 categories of materials in the solar nebula - ️️1. hydrogen and helium 98% 2. hydrogen compounds 1.4% 3. rock 0.4% 4 metals .2% 
4 Major clues that show how solar system was formed - ️️1. Patterns of motion among large bodies 2. Two major types of planets 3. asteroids and comets 4. Exceptions to the rules 
4 major geological processes - ️️1. Impact cratering 2. Volcanism 3. Tectonics 4....
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ASTR 121|60 MIDTERM—ALBRIGHT Quiz Questions Well Solved|2024/2025
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absolute magnitude - ️️The actual brightness of a star 
 
absorption line spectrum - ️️A cloud of gas between us and a light bulb can absorb light of specific wavelengths, leaving dark absorption lines in the spectrum 
 
apparent magnitude - ️️the brightness of a star as seen from Earth 
 
arcminute - ️️1/60 of a degree 
 
arcsecond - ️️1/3600 of a degree 
 
blue shift - ️️the displacement of the spectrum to shorter wavelengths in the light coming from distant celestial o...
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ASTR 121- HW 2 The Sun 51 Queries Perfectly Solved
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A college friend of yours who has been postponing taking any science courses hears you talking about the generation of nuclear energy in the Sun and makes the following observation: "The whole idea of the atomic nucleus is pretty ridiculous. If an oxygen nucleus consists of eight protons and eight neutrons, the charge on that nucleus is positive. Since even I learned in high school that like charges repel, such a nucleus would find all its positive protons repelling and quickly fall apart." Ho...
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BUNDLE PACK OF PHSC 121 QUESTIONS CORRECTLY ANSWERED 2024.
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Exam (elaborations)
ASTR Ch5_6 Correctly Answered Questions 2024.


Exam (elaborations)
Astro Midterm Prep Exam Questions & Answers 2024.


Exam (elaborations)
Chapter 5 Final Exam Practice Questions 2024.


Exam (elaborations)
PHSC 121 STUDY GUIDE 2024.


Exam (elaborations)
PHSC 121 HW 8 Review Practice Test 2024.


Exam (elaborations)
Chapter 5
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ASTR Ch5_6 Correctly Answered Questions 2024.
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ASTR Ch5_6 Correctly Answered Questions 2024. 
 
 
According to Aristotle, which of the following would be an example of violent motion? - CORRECT ANSWER a person pushing a car along the street 
 
Galileo found that - CORRECT ANSWER heavy and light objects fall at the same rate. 
 
Newton concluded that some force had to act on the moon because - CORRECT ANSWER a force is needed to pull the moon away from straight-line motion. 
 
The radius of Earth is 6378 km. The force of gravity on a 1 kg bal...
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ASTR PACKAGE DEAL
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ASTR PACKAGE DEAL|EXAM QUESTIONS CORRECT ANSWERS COMBINED|2024/2025
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