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Examen

ASTRO 001 Test Questions with Correct Answers Latest Update 2025
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octubre 2025

2025/2026

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ASTRO 001 Test Questions with Correct Answers Latest Update 2025 What causes day and night? - Answers Rotation of the Earth on its axis How does the Sun appear to move in the sky in the course of a day? - Answers East to West What time of day does the Sun transit the meridian? - Answers noon What happens to the earth in one year? - Answers it orbits the sun one time Why do we have seasons? - Answers tilt of the earth's axis (not changing distance from the sun) How is the earth's axis...
joshuawesonga22
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Examen

Astro 001 Exam 4 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS
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agosto 2025

2025/2026

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Astro 001 Exam 4 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS Galaxy A receding from Galaxy B at a velocity of 7500 km/s, from the perspective of Galaxy B. Hubble's Law says that V=H0 x D. About how far is Galaxy A from Galaxy B? Use a value of 75 km/s/Mpc for Hubble's constant. A) 5000 Mpc B) 500,000 Mpc C) 50000 Mpc D) 100 Mpc E) 1000 Mpc - CORRECT ANSWER Which is the smallest? D) 100 Mpc
STANFORDTOPGRADES
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Examen

Astro 001 Exam 4 UPDATED Study ACTUAL QUESTIONS AND CORRECT ANSWERS
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14

agosto 2025

2025/2026

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Astro 001 Exam 4 UPDATED Study ACTUAL QUESTIONS AND CORRECT ANSWERS An up quark has charge +2/3, a down quark has charge -1/3, and a strange quark has charge -1/3. The Sigma+ particle is formed by a combination of two up quarks and one strange quark. What is its charge? A) 1 B) -1/3 C) -1 D) +1/3 E) 0 - CORRECT ANSWER A) 1 Which source generates the most energy over its lifetime? A) A supernova. B) The Sun. C) A camp fire. D) A quasar. E) A gamma-ray burst. -...
STANFORDTOPGRADES
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Examen

Astro 001 Exam 4 UPDATED QUESTIONS AND CORRECT ANSWERS
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4

agosto 2025

2025/2026

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Astro 001 Exam 4 UPDATED QUESTIONS AND CORRECT ANSWERS What are the differences between open star clusters and globular star clusters? - CORRECT ANSWER Open clusters are less concentrated, younger, and have fewer stars Which of the following is false? - CORRECT ANSWER a supernova A nova is more luminous than What kind of gas cloud can collapse & form stars? - CORRECT ANSWER The gas cloud must have a mass that exceeds the Jeans mass so that gravity overcomes the inter...
STANFORDTOPGRADES
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