astronomy 101

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zram_97

Science

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PART A

Unit 1 Questions

1.What is the role of the study of astronomy?


2.Once a scientist comes up with a hypothesis, it automatically becomes a law, and never changes.

True or False?


3.When you look at Proxima Centauri (our next nearest Star at a distance of 4 LY away from us), in the night sky, you are seeing it:

a.How it looks now

b.How it will look 4 years in the future

c.How it appeared 4 years in the past


4.What are the differences between the geocentric and heliocentric models of the solar system (differences, not just the definition)?


5.The Celestial Sphere is a real dome that surrounds the Earth.True or False?


6.What is your TRUE star sign?

What did you think it was?

Are you surprised?


7.List a MAJOR contribution made by each of the following people:

a.Eratosthenes

b.Hipparchus

c.Ptolemy

d.Copernicus

e.Galileo


Unit 2 Questions:

1.Right ascension is similar to (latitude or longitude)?Declination is similar to (latitude or longitude)?


2.Explain the main reason we have seasons in 1-3 complete sentences.


3.Explain why the Gregorian calendar was necessary in 1-3 complete sentences.


4.Regarding the phases of the moon, answer the following questions:

a.Define ‘waxing’

b.Define ‘waning’

c.On what side of the moon (after new) does the moon start to illuminate

(get bright)?Right or Left?

d.On what side of the moon (after full) does the moon start to darken

(get bright)?Right or Left?

e.Define ‘crescent’

f.Define ‘gibbous’


5.Spring tides occur when the Earth, Moon, and Sun are in what orientation?

a.in a straight line or b.at right angles

6.What phase does the moon have to be in to have a:

a.total solar eclipse _____________________?

b.total lunar eclipse _____________________?


Unit 3 Questions:

1.What are the major functions of a telescope?


2.What two different components of a telescope can be used to focus light?

____________________________&_______________________________


3.Which current modern large visible or IR telescope currently in use or in planning, is able to collect the most light (has the largest aperture)?

_____________________________________________________________


4.Why bother making space-based telescopes?


5.What major problem did the Hubble telescope originally have, and how was it corrected?


6.How are electric and magnetic fields related?


7.What are the two nature of light models?

____________________________&____________________________


8.Which of the seven types of EM spectra can survive the trip through our atmosphere and reach the ground?


9.What are the three types of spectra & what circumstances produce each?

  • ____________________________________

b. _____________________________________

c. _____________________________________


PART B


Video 1:

1. “Science is a body of knowledge and a __________________________ of how we learned that knowledge.”

2. The visible universe is ____________________________________ light years across.

3. Astrology means “____________________________________________________________”.

4. Astrology is science. TRUE FALSE

5. Astrology provided a foundation for more serious astronomical studies. TRUE FALSE

6. Galileo invented the telescope. TRUE FALSE

Video 2:

7. There are ________________ to ___________________ stars that can be seen with the naked eye.

8. _______________________________ is the brightest star in the night sky.

9. Today we recognize _____________ official constellations.

10. There are ______ naked eye planets.

11.The star that is nearly directly above the North Pole is Polaris. There is no south polar star. TRUE FALSE


WHEN ANSWERING QUESTIONS PLEASE FOLLOW PART A & B FORMAT!

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