LHHS OCAD Astronomy questions
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- [213] WHAT WAS THE RUDOLPHINE TABLES?
- KEPLER'S FINAL WORK THAT CONSISTED OF A COLLECTION OF TABLES ON THE MOVEMENTS OF PLANETS
- HOW DOES THE VARIATION IN [214] BRIGHTNESS BETWEEN DIFFERENT CELESTIAL OBJECTS HINDER EFFORTS TO MEASURE DIATANCES IN THE UNIVERSE?
- DISTANT BRIGHT STARS CAN LOOK THE SAME AS CLOSE DIM STARS
- ACCORDING TO TREFIL, WHAT [215] WAS THE FIRST STAGE OF DETERMINING THE SIZE OF THE UNIVERSE? WHEN WAS THIS STAGE COMPLETED?
- DETERMINING THE DISTANCES BETWEEN OBJECTS IN THE SOLAR SYSTEM; THE LATE 1600s
- [216] WHAT CAN BE CALCULATED IF THE DISTANCES TO THE FARTHEST VISIBLE GALAXIES ARE KNOWN?
- THE AGE OF THE UNIVERSE
- [217] WHAT TECHNIQUE IS USED TO MEASURE THE DISTANCE BETWEEN EARTH AND THE STARS?
- PARALLAX
- [218] WHAT IS A BASELINE?
- THE LINE BETWEEN TWO POINTS FROM WHICH PARALLAX MEASUREMENTS ARE MADE
- [219] WHAT IS AT EACH OF THE VERTICES OF THE TRIANGLE FORMED WHEN USING PARALLAX TO MEASURE DISTANCE?
- THE OBJECT WHOSE DISTANCE IS TO BE MEASURED AND BOTH ENDS OF THE BASELINE
- [220] WHAT THREE MEASUREMENTS MUST BE KNOWN TO MAKE A DISTANCE MEASUREMENT BASED ON PARALLAX?
- THE LENGTH OF THE BASELINE AND THE TWO ANGLES BETWEEN THE BASELINE AND THE LINE OF SIGHT
- [221] IF THE DISTANCE TO BE MEASURED IS TOO FAR FOR A CERTAIN BASELINE AND ANGLE, WHAT CAN BE CHANGED TO INCREASE MAXIMUM MEASURABLE DISTANCE?
- A LONGER BASELINE CAN BE USED OR THE PRECISION OF THE ANGLE MEASUREMENTS CAN BE INCREASED
- [222] DESCRIBE HOW HIPPARCHUS UTILIZED PARALLAX TO ESTIMATE THE DISTANCE TO THE MOON
- HE MEASURED THE ANGLES TO THE MOON FROM TWO CITIES AND USED THE DISTANCE BETWEEN THE CITIES TO ESTIMATE THE DISTANCE TO THE MOON
- [223] ERATOSTHENES USED THE DISTANCE BETWEEN ALEXANDRIA AND ANOTHER CITY TO MEASURE WHAT LONGER DISTANCE?
- THE CIRCUMFERENCE OF EARTH
- [224] WHY WERE GREEK ASTRONOMERS UNABLE TO ACCURATELY DETERMINE THE DISTANCE TO THE SUN?
- THEY DID NOT HAVE THE TECHNOLOGY TO MAKE ACCURATE ANGLE MEASUREMENTS AND THEY DID NOT HAVE A BASELINE LONGER THAN THE DIAMETER OF EARTH
- [225] IF AN ASTRONOMER TAKES MEASUREMENTS OF A DISTANT STAR IN JANUARY AND AGAIN IN JULY FROM THE SAME LOCATION ON EARTH, WHWAT IS THE BASELINE?
- THE DISTANCE BETWEEN THE EARTH AT THOSE TWO POSITIONS
- [226] WHAT WAS THE GOAL OF THE 1672 FRENCH ACADEMY EXPEDITION TO CAYENNE, FRENCH GUINEA?
- TO TAKE MEASUREMENTS OF THE POSITION OF MARS AND USE KEPLER'S LAWS TO CALCULATE THE DISTANCE TO THE SUN
- [227] HOW DO ASTRONOMERS TODAY MEASURE DISTANCES TO NEIGHBORING PLANETS?
- BY BOUNCING RADIO SIGNALS OFF THEM AND MEASURING THE TIME OF FLIGHT