Reference no: EM133454071

Questions: Describe the interior of the sun: its layers, and what happens in each layer. 38) What determines how long a star will live and how it will die? Describe the different life cycles of low, medium, and high mass stars. 39) Where are stars born? 40) What may happen to a star after a supernova? 41) What will eventually happen to our Sun? 42) Why do black holes have so much gravity? How can astronomers tell if a black hole is present? 43) Who was the first human to orbit the Earth? What country sent him? 44) Who were the first two people to walk on the moon? In what year? What was the name of the NASA mission that accomplished this? 45) What is likely the main reason the United States ramped up its timeline to put a man on the moon? 46) What are the next 2 main steps in space colonization? 47) What is the most distant man-made object in space and when was it launched? Can we still communicate with it? 48) What was the initial problem with the Hubble telescope? How did it get fixed and how long did it take? 49) What was started in space in 1998 and what is its purpose? 50) When was China's first rocket to space and was it successful? 51) What is the private company building rockets that wants to get to Mars? 52) What is the likelihood that life exists somewhere other than Earth?