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8 Cards in this Set
- Front
- Back
What is Habitable
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We are asking whether it offers Enviromental conditions under which life can survive.
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What is a extrasolar planet
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A planet which orbits around another star.
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Search for Extraterrestrial Intelligence
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Involve scanning the skies for signals brodcast by aliens
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Solar System
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We know our planet is one of eight planets in our solar system which also consists of the sun, moons, countless smaller objects including asteroids, comets, and specks of interplanetary dust.
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Milky Way Galaxy
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We are one small part of the galaxy in our universe.
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Light Year
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One light year is 10 Trillion Kilometers , it is the time it takes lite to travel in a year.
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Big Bang
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The universe began in a state of extremely high density and temperature and has ben expanding and cooling ever since.
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Nuclear fusion
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During a stars life fuculear fusion combines hydrogen nuclei to make one helium nucleus, energy is released because a helium nucleus has slightly less mass than the four hydrogen nuclei.
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