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Ast Q2 Answers
Astronomy 2 Answers
Question | Answer |
---|---|
Q1 Where did early astronomers get their ideas about the universe from | the sky |
Q2 Which astronomer created the Geocentric Model | Ptolemy |
Q3 What celestial object is in the middle of a Geocentric Model | earth |
Q4 Which 2 astronomers believed in the Geocentric Model | Ptolemy and Brahe |
Q5 Which astronomer created the Heliocentric Model | Copernicus |
Q6 What is in the middle of a Heliocentric Model | sun |
Q7 Which astronomer is known for his use of a tool called an astrolabe | Brahe |
Q8 What is another name for the tool called an astrolabe | quadrant |
Q9 Which astronomer is known for his use of the telescope | Galileo |
Q10 What KIND of Model is Kepler's Model most like | Heliocentric |
Q11 What shape did Kepler have the planets revolving around the sun | oval or elliptical |
Q12 What is the fancy word for an oval shape | elliptical |
Q13 Which astronomer was the first to get the planet's shape and positions correct | Kepler |
Q14 Which astronomer was known for his theories about gravity | Newton |
Q15 According to Newton's Law of Universal Gravitation, what two things can I change about the objects being drawn together by gravity that will change the amount of gravitational pull between them | mass and distance |
Q16 HOW do I change the mass of objects for them to have a greater gravitational pull | increase the mass |
Q17 What do I do to distance between two objects for them to have a greater gravitational pull | decrease the distance |
Q18 How is Kepler's Heliocentric Model different than Copernicus's (2 answers) | 1. elliptical orbits (not circles) 2. sun NEAR the center |