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GEOS2201

Fairmont State Exosphere Exam 3

QuestionAnswer
Loops of cooler plasma on the surface solar prominences
What is the innermost layer of the sun? core / fusion
Where does nuclear fusion occur? in the core
Surface of sun ; part we can see ; emits light at visible wavelengths photosphere
Why does something appear red? every color is absorbed but red is reflected back
What are the primary pigments (reflection of light)? blue, red, yellow
What are the primary colors of light (specific wavelengths)? blue, red, green
What size is our sun? middle size
How bright the star actually is absolute magnitude
How bright the star looks to us relative magnitude
Founder of astronomy, Earth "floating in space", Earth shaped like a cylinder Anaximander
Earth is a sphere, Earth centered model, 55 crystalline spheres Aristotle
Earth-centered model, stars and planets fixed on crystal sphere, noticed retrograde of planets, Epicycle explanation Ptolemy
read Copernican theory, perfected telescope and 1st to turn it to the heavens, observed sunspots phases of Venus and moons of Jupiter Galileo
Sun MUST be in center, made the laws of planetary motion Kepler
What are the planets in order? Mercury, Venus, Mars, Astroid Belt, Jupiter, Saturn, Uranus, Neptune, Pluto
What is the rule for the Bode-Titus chart? Mercury is 0, Venus is 3 and then you double the numbers after that
What are the three criteria to be a planet? (1) orbit around the sun (2) heavy enough to have gravity that makes it nearly round in shape (3) cleared the neighborhood around its orbit
What are some planet generalities? same orbital plane (except Mercury and Pluto), are "nested" (except Pluto), revolve and rotate counterclockwise (except Venus and Uranus)
Chunks of rock floating through the solar system meteoroids
Where do meteoroids come from? leftovers from the solar system formation, comet trails of ice and dust, asteroids knocked out of the belt
What are comets composed of? dust and frozen gas
Created by: haileyjordan
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