Exam 2: Users Guide to the Sky: Patterns and Cycles

-The diagram shows three approximate locations of the Sun along the western horizon. Which number indicates the location of the Sun at sunset on June 21 (summer solstice) for an observer at a latitude of 37° North?

For an observer in Toronto, at a latitude of 44° North, what is the angle between the northern horizon and the north celestial pole?

The planets ____________ and _____________ are never visible near the eastern horizon at sunset.

An observer in the northern hemisphere takes a time exposure photograph of the night sky. If the illustration depicts the photograph taken by the observer, which direction was the camera pointing?

How much does the RA coordinate of the Sun change in 2 months?

Why is it possible to view a total solar eclipse from Earth?

How many official constellations are there?

Which planet(s) in our solar system is (are) never visible to the naked eye?

If the Earth's rotational axis shifted to a position perpendicular to the ecliptic, what would happen to seasonal variations on the Earth?

How much of the night sky lies north of the celestial equator?

The celestial equator always crosses the horizon at the east point and west point.

If you see the Sun pass directly overhead on at least one day per year, then where are you on Earth?

If the Sun were twice as large but remained at its current distance from Earth, which of the following changes would allow people on Earth to still experience a total solar eclipse?

A total solar eclipse occurred in Brandon, Manitoba, on Feb. 26, 1979. At what other date was there (or will there be) the same eclipse visible at this location?

What is the term for the Moon when it is visible above the western horizon a couple of hours before sunrise?

For a northern hemisphere observer, the _____________ ____________ Moon is visible in the south-eastern sky just after sunset.

The path of totality for a solar eclipse is swept out by the tip of the Moon's umbra as the umbra moves over the Earth.

Around what date is the amount of solar energy per square metre that is incident upon the surface of the Earth in the northern hemisphere at its lowest level?

What kind of letters are used to identify stars in a constellation?

For an observer in Oberon Bay, Australia, at a latitude of 39° South, what is the angle between the southern horizon and the south celestial pole?