Chat with AIExam 24: Life
Exam 1: Why Learn Astronomy92 Questions
Exam 2: Patterns in the Skymotions of Earth96 Questions
Exam 3: Motion of Astronomical Bodies91 Questions
Exam 4: Gravity and Orbits88 Questions
Exam 5: Light87 Questions
Exam 6: The Tools of the Astronomer94 Questions
Exam 7: The Birth and Evolution of Planetary Systems87 Questions
Exam 8: The Terrestrial Planets and Earths Moon99 Questions
Exam 9: Atmospheres of the Terrestrial Planets92 Questions
Exam 10: Worlds of Gas and Liquid the Giant Planets92 Questions
Exam 11: Planetary Adornmentsmoons and Rings93 Questions
Exam 12: Dwarf Planets and Small Solar System Bodies89 Questions
Exam 13: Taking the Measure of Stars88 Questions
Exam 14: Our Starthe Sun88 Questions
Exam 15: Star Formation and the Interstellar Medium89 Questions
Exam 16: Evolution of Low-Mass Stars90 Questions
Exam 17: Evolution of High-Mass Stars90 Questions
Exam 18: Relativity and Black Holes90 Questions
Exam 19: The Expanding Universe90 Questions
Exam 20: Galaxies95 Questions
Exam 21: The Milky Waya Normal Spiral Galaxy96 Questions
Exam 22: Modern Cosmology92 Questions
Exam 23: Large-Scale Structure in the Universe65 Questions
Exam 24: Life61 Questions
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What would be the number of intelligent civilizations in our galaxy if all stars formed planets, each planet has a 0.1 percent change of supporting life, and every time conditions are right life develops, but only 0.001 percent of the time intelligent life develops, and once it develops it survives indefinitely?
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