Penn State Astro 001 Exam 1 Exam Review | Q&A Latest 2024/2025 | 100% PASS
Penn State Astro 001 Exam 1 Exam Review | Q&A Latest 2024/2025 | 100% PASS What causes day and night? - Answer -Rotation of Earth on its Axis How does the Sun appear to move in the sky in the course of a day? - 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? - Answer -It orbits the Sun one time Why do we have seasons? - 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? - Answer -With the N. Pole toward Sun What season is it in the Southern hemisphere when it is summer in the Northern hemisphere? - Answer -Winter When does Winter begin, and what does it entail? - Answer -Begins Dec. 21. Nights longer than Days. When does Spring begin, and what does it entail? - Answer -Begins March 21. Days and Nights are equa
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