At age 42, obediah is realizing that he may not reach all the goals he set when he was a younger man. he probably will never be rich or famous, and his relationships with his children and wife are not always as smooth as he would like them to be. in an effort to deny that he will have to let some dreams go and accept the life he has built for himself, he begins spending time with men who are half his age and squandering money as if he does not have a family to support. annoyed, his wife tells their friends that obediah is going through a

20 point pls brianliest 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?