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Why do galaxies differ so much in size, shape, composition and activity? >
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Division
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What conditions are necessary for life?
Does life exist outside of the solar system?
Why do we need an extremely large telescope like the Giant Magellan Telescope?
How do stars and planets form and evolve?
How can astronomy improve life on earth?
What happened in the early universe?
What do black holes look like?
What happens to space time when cosmic objects collide?
Why do galaxies differ so much in size, shape, composition and activity?
What is the universe made of?
Jiwon Han
Center for Astrophysics
