Biology, 28.10.2020 19:20 aromesburg
For what can we use the doppler effect to deduce in astronomy
A. the shape of orbital path of an object
B. whether the object is traveling toward or away from us
C. the Chemical composition of the objects
D. the type of spectrum the object emits
Answers: 3
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Study this image which statement best describes the rock shown check all that apply
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In which state was more than 100 billion tons of coal mined in 2005?
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Me brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula.5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects.8. describe the planets’ orbits around the sun.9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets.13. what causes the seasons?
Answers: 1
For what can we use the doppler effect to deduce in astronomy
A. the shape of orbital path of an ob...
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