Study Questions for Test 1
What is Scientific Notation?
What is an Astronomical Unit?
What is a Light-Year?
What is meant by the term “Look Back Time?
What objects comprise the Solar System?
Define the following terms
Star – Planet – Moon – Asteroid – Comet – Kuiper Belt
What is a galaxy?
What is the Local Group?
What is the Virgo Supercluster?
What is the name of the nearest large galaxy?
How many constellations are there?
How are stars designated according to brightness within a constellation?
What is parallax? Why was it relevant to the early Greeks?
What sort of popular names do the 50 brightest stars in the sky have?
Where is the star Polaris always located in N Hemisphere skies?
What is the magnitude scale? What is meant by apparent visual magnitude?
What is the North Celestial Pole?
What is the celestial equator? What is the zenith?
What is the Ecliptic?
What is Precession?
What effects do the rotation, revolution and precession of Earth have on the apparent motions of celestial objects in the sky.
What was the classical Greek conception of the Universe?
What were the most significant contributions of each of the following people?
Aristarchus, Eratosthenes, Ptolemy, Copernicus, Galileo Brahe, Kepler and Newton
What was the Ptolemaic Model of the Universe? What devices did it incorporate?
How did Galileo’s observations of the Moon contradict the prevalent Greek view of the Universe? What did his observations of the phases of Venus indicate?
What are Newton's Three Laws of Motion?
What is Isaac Newton’s Law of Universal Gravitation?
What causes the seasons on Earth? How are seasons in N and S hemisphere related?
Define: Summer Solstice - Autumnal Equinox - Winter Solstice - Vernal Equinox
What are the Sidereal and Synodic Periods of the Moon?
What are the four named phases of the Moon? What is the Earth-Moon-Sun configuration for each?
What are spring tides? What are neap tides? How many tides does a coastal location experience daily?
What are the conditions required for a solar and a lunar eclipse?
What is visible during a total lunar and a total solar eclipse?