What Constellation Should We Look for to Orient Ourselves As We Observe the Night Sky? ______

1. What constellation should we look for to orient ourselves as we observe the night sky? ______

1. When we find the object in #1, what do we identify? (2 stars) ______

1. What star does #2 help us find? ______

1. #3 is a marker star. What does is represent? ______

1. A line running from pole to pole directly overhead is the ______.

1. A line running east and west @ 90° to the NCP is the ______.

1. The ______is a point in the sky directly overhead.

1. Lines running north and south that measure points east and west are called ______lines. They are measured in hours and minutes.

1. How many of the lines in #8 are there? ______

1. Lines running east and west that measure points north and south are called ______lines. They are measured in degrees.

1. The apparent path of the Sun throughout the year is the ______.

1. What is a gnomon? ______

1. Define midday. ______

1. The shortest midday shadow of the year is the ______.

1. Vernal equinox
2. Autumnal equinox
3. Summer Solstice
4. Winter Solstice

1. The longest midday shadow of the year is the ______.
2. Vernal equinox
3. Autumnal equinox
4. Summer Solstice
5. Winter Solstice

1. The midday shadow halfway between the longest and shortest midday shadow after the longest and before the shortest midday shadow is the ______.
2. Vernal equinox
3. Autumnal equinox
4. Summer Solstice
5. Winter Solstice
6. The midday shadow half way between the shortest and longest midday shadow after the shortest and before the longest midday shadow is the ______.
7. Vernal equinox
8. Autumnal equinox
9. Summer Solstice
10. Winter Solstice

1. Define light year. ______

1. How long does it take the Moon to orbit the Earth once? ______

1. At what angle does the Moon orbit the Earth? ______

1. How many degrees above the northern horizon would we find the North Star? ______

1. Why? ______

1. ______is a theory that states that the Sun is the center of the Solar System.

1. ______is a theory that states that the Earth is the center of the Solar System.

1. ______is the apparent backward motion of planets.

1. Define parallax. ______

1. Using the Star & Planet Locator, rotate the blue dial to October 13 @ 10 PM. What constellation would you expect to find on the celestial meridian, just north of the celestial equator? ______

1. What is the darkest part of a planet’s or moon’s shadow is called the ______.

1. The partially shaded portion of the shadow is the ______.

1. Define noon. ______

BONUS: Define astronomical unit. ______

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