Question | Answer |
You are standing on the equator and you notice that the sun is directly overhead. What Equinox is it? | Vernal or Autumn Equinox |
You are standing on the equator and you notice that the sun is directly overhead. The sun is on the __________. | Zenith |
You are standing on the equator and you notice that the sun is directly overhead. The sun will be above the horizon for _______ hours that day. | 12 hours |
You are standing on the equator and you notice that the sun is directly overhead. (True or False). All the stars in the sky will be circumpolar. | False. |
You are standing on the equator and you notice that the sun is directly overhead. What is the declination of the sun? | 0 degrees |
You are standing on the equator and you notice that the sun is directly overhead. What is the altitude of the sun? | 90 degrees |
You are standing on the equator and you notice that the sun is directly overhead. (True or False) The sun is on the celestial meridian | True |
You are standing on the equator and you notice that the sun is directly overhead. What is the altitude of the north celestial pole from this location? | 0 degrees |
You are standing on the equator and you notice that the sun is directly overhead. (True or False) 3 months later the sun is now at a declination of -23.5 degrees, this is due to the precession of the earth's axis of rotation. | False. |
You're still on the equator. Since the sun is directly overhead you know its noon. At exactly noon a full solar eclipse occurs. What phase is the moon in? | New Moon |
You're still on the equator. Since the sun is directly overhead you know its noon. At exactly noon a full solar eclipse occurs. Approximately what time would you expect the moon to set? | 6pm |
You are now an ancient Greek astronomer. How would you answer the following question. What is not evidence for an earth centered universe? | Retrograde orbits of planets |
You are now an ancient Greek astronomer. How would you answer the following question. (True or False) The 3 things we (as ancient greeks) know is that the universe is unchanging, everything orbits in perfect circles, and the earth is the center. | True |
You are now an ancient Greek astronomer. How would you answer the following question. (True or False) I can easily use the altitude of the north celestial pole to find my longitude on earth | False |
You are now an ancient Greek astronomer. How would you answer the following question. (True or False) In order to find my longitude on earth I need to define a universal time. | True |
Answer the following as a modern astronomer would. The Copernicus model simplified the explanation of____________. | Retrograde orbits of planets |
Answer the following as a modern astronomer would. (True or False). Tycho showed that supernova explosions happened much further away than the planets. | True |
Answer the following as a modern astronomer would. (True or False) Tycho took some of the most accurate naked eye observations of celestial objects to date. | True |
Answer the following as a modern astronomer would. What paradigm did Kepler do away with to prove the sun centered model? | The notion of perfect circles |
Answer the following as a modern astronomer would. Kepler's second law tells that_______. | Orbiting objects sweep out equal areas in equal times during their orbits |
Answer the following as a modern astronomer would. (True or False) The larger an object's average orbital radius, the smaller the period of the orbit. | False |
Answer the following as a modern astronomer would. (True or False) Galileo measured stellar parallax. | True |
Answer the following as a modern astronomer would.What is not a hallmark of science? | It must conform to paradigm |
Answer the following as a modern astronomer would. Speed and velocity are identical quantities. | False |
Answer the following as a modern astronomer would. Acceleration requires a ____________. | Force |
Answer the following as a modern astronomer would. Newtons's second law of motion states _________. | F = ma |
Answer the following as a modern astronomer would.The sun exerts a force on the earth and the earth exerts a force on the sun ___________. | equal and opposite |
Answer the following as a modern astronomer would. What is not conserved quantity? | Force |
Answer the following as a modern astronomer would. What is not an example of kinetic energy? | Chemical |
Answer the following as a modern astronomer would. A tidal force can ____________. | Cause geological effects on planets and moons |
A ________________ is a pattern of stars within apparent proximity to each other on the celestial sphere. | constellation |
_______________ constellations generally have names derived from middle eastern languages | Northern Hemisphere |
__________________ constellations generally have names familiar to 17th century explorers. | Southern Hemisphere |
What are the 4 units of distance? | m, au, pc, and ly |
Astronomy is the oldest of the _________ sciences with roots in ancient religions. | natural |
This class will focus primarily on ___________ objects such as planets, stars, asteroids, moons, dust, and techniques of astronomy. | solar system |
This class will also concern itself with the __________ of astronomy. | history |
How would you write 7,320,000 in scientific notation? | 7.32x10e6 |
How would you write .002? | 2x10e-3 |
10e10x10e2=....? | 10e12 |
10e0/10e2= | 10e-2 |
We always reserve the right to use whichever __________we find most convenient. | units |