Ast-105 Exam 1 Question and answer 100% correct 2023
Ast-105 Exam 1 Question and answer 100% correct 20231 astronomical unit (AU) = 150,000,000 km = average distance between Earth & Sun 1 light year (ly) = 9,500,000,000,000 km = distance light travels in a year Earth rocky planet with iron core Sun typical star - ball of hot gas, mostly hydrogen & helium. 100x larger in diameter than Earth Earth-Sun distance 1 AU Milky Way Galaxy about 100,000 ly across, contains about 100 billion stars Scientific Theory an idea that proposes to explain observations Scientific Method Observation Explanation Prediction -If a theory is not consistent with new observations it is modified or discarded: Observe, theorize, predict, test, modify
Escuela, estudio y materia
- Institución
- Ast-105
- Grado
- Ast-105
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- Subido en
- 28 de junio de 2023
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- 4
- Escrito en
- 2022/2023
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- Examen
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