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Astro 1 Exam 2 PSU QUESTIONS WITH CORRECT ANSWERS
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Astro 1 Exam 2 PSU QUESTIONS WITH CORRECT ANSWERS
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PENN STATE ASTRO 001 EXAM 1 EXAM REVIEWQUESTIONS 2024-2025 WITH CORRECT
ANSWERS
What causes day and night? - CORRECT ANSWER-Rotation of Earth on its Axis
How does the Sun appear to move in the sky in the course of a day? - CORRECT ANSWER-East to West bc
of Earth's rotation. The stars and planets move the same way, also bc Earth's rotation
What happens to the Earth in one year? - CORRECT ANSWER-It orbits the Sun one time
Why do we have seasons? - CORRECT ANSWER-Tilt of Earth's axis (not changing from Sun). The tilt is
about 23 degrees
How is the Earth's axis tilted when we have summer in the Northern hemisphere? - CORRECT ANSWER-
With the N. Pole toward Sun
What season is it in the Southern hemisphere when it is summer in the Northern hemisphere? -
CORRECT ANSWER-Winter
When does Winter begin, and what does it entail? - CORRECT ANSWER-Begins Dec. 21. Nights longer
than Days.
When does Spring begin, and what does it entail? - CORRECT ANSWER-Begins March 21. Days and Nights
are equal.
When does Summer begin, and what does it entail? - CORRECT ANSWER-Begins June 21. Days longer
than Nights.
When does Fall begin, and what does it entail? - CORRECT ANSWER-Begins Sept. 21. Days and Nights are
equal.
Penn State Astro 001 Exam 1 Exam Review QUESTIONS 2024-2025 WITH CORRECT ANSWERS
, Why do seasons happen? - CORRECT ANSWER-Seasons would NOT happen if the Earth's axis were not
tilted. Distance between Earth and Sun does not change much over the course of the year so temp. does
not change much for that reason.
What happens to the Moon in 1 month? - CORRECT ANSWER-It moves around the Earth one time
What causes the phases of the Moon? - CORRECT ANSWER-Sun is lighting different fractions of the part
of the Moon we can see on Earth
What is the order of the phases of the Moon? - CORRECT ANSWER-1. New
2. Waxing Crescent
3. First Quarter
4. Waxing Gibbous
5. Full
6. Waning Gibbous
7. Third Quarter
8. Waning Crescent
9. New
When is the Full Moon visible? - CORRECT ANSWER-Only at night. It transits at midnight, rises at 6 hours
earlier (at sunset) and sets 6 hours later (sunrise)
When is the New Moon visible - CORRECT ANSWER-The new moon is visible during the day. It transits at
noon, rises 6 hours earlier (at sunrises) and sets 6 hours later (at 6 pm)
What does Transit mean in terms of Moon Phases? - CORRECT ANSWER-In relation to when the moon
rises over a certain point.
How are the Sun, Earth, and Moon positioned when it is New Moon - CORRECT ANSWER-Sun- Moon-
Earth
Penn State Astro 001 Exam 1 Exam Review QUESTIONS 2024-2025 WITH CORRECT ANSWERS
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