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
Información del documento
- Subido en
- 28 de junio de 2023
- Número de páginas
- 4
- Escrito en
- 2022/2023
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
Temas
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000
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500
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ast 105 exam 1 question and answer 100 correct 2
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1 astronomical unit au 150
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000 km averag
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1 light year ly 9
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000 km distanc
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earth rocky planet with iron core
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