Astronomy 101 2023 exam - Study guides, Class notes & Summaries

Astronomy 101 2023 Exam Questions with Complete Solutions Imagine that from your current location you observe a star rising directly in the east. When this star reaches its highest position above the horizon, where will it be? A. High in the northern sky B. High in the eastern sky C. High in the southern sky D. High in the western sky E. Directly overhead - ANSWER C. High in the southern sky How much of the celestial sphere can an Earth observer see at one time? A. Less...

Astronomy 101 2023-2024 Exam Questions with All Correct Answers According to our present theory of solar system formation, how did Earth end up with enough water to make oceans? - Answer-The water was brought to the forming Earth by planetesimals that accreted beyond the orbit of Mars. The terrestrial planets in our solar system are: - Answer-Mercury, Venus, Earth, and Mars. The jovian planets in our solar system are: - Answer-Jupiter, Saturn, Uranus, and Neptune. The planet in our so...

Astronomy 101- Chapters 1-6 Study Guide Exam 2023 The location of the Earth in the Milky Way Galaxy is - ANS-a little less than 30,000 LY from the center The Astronomical Unit (AU) as defined by astronomers is - ANS-the average distance between the Earth and the Sun Light travels 3 x 10^5 meters every second. That number in words is - ANS-300,000 meters When the authors of our textbook say that astronomers are like police detectives trying to solve crimes, they are explaining that: ...