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Listed below are a series of statements about events that first happened in one

ID: 114212 • Letter: L

Question

Listed below are a series of statements about events that first happened in one of the four time periods identified in the sorting bins. Place each statement in the correct bin corresponding to when it first occurred in human history.

history Hints Hint 1 Copernicus published his book with his Sun-centered model in 1543 Tycho made most of his observations between about 1570and 1600 Kepler published his first two laws in 1609 and third law in 1619 Galileo began his telescope observations in 1609 .Newton published the universal law of gravitation in 1687 Reset Help Planetary observations accurate within 1 minute of arc Sun-centered model with elliptical Recognition that Sun-centered model should lead to stellar parallax Ability to predict planetary positions within a few degrees of arc Observations of stellar parallax Suggestion that Earth migh orbit the Observation of phases of Venus Sun Ability to predict planetary positions within 1 minute of arc Copernicus proposes Sun-centered Mathematical description of how gravity determines planetary orbits Ancient Greece Through Ptolemy (about 150 A.D.) Early Copernican Revolution (about 1543 1600) Later Copernican Revolution (about 1609- 1630) Newton and BeyondHIE (after about 1687) LIS PRINCIPI MATHEMATICA IMPRIMATUR PEPYS PRASES LONDINT

Explanation / Answer

1. ANCIENT GREECE THROUGH PTOLEMY(about 150 A.D):

Mathematical description of how gravity determines planetary orbits

Ability to predict planetary positions within a few degrees of arc

2. EARLY COPERNICAN REVOLUTION(about 1543-1600):

Copernicus proposed sun-centered model

Suggestion that earth might orbit the sun

Ability to predict planetary positions within 1 minute of arc

3. LATER COPERNICAN REVOLUTION(about 1609- 1630):

Sun-centered model with elliptical orbits.

Planetary observations accurate within 1 minute of arc

Observations of phases of Venus(GALILEO)

4. NEWTON AND BEYOND(after about 1687):

Recognition that sun-centered model should lead to stellar parallax

Observations of stellar parallax(FRIEDRICH BESSEL in 1838)

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