Ivy Tech ASTR101 - Chapter 2 [Mastering Astronomy]
If you are located in the Northern Hemisphere, which of the following correctly describes a relationship between the sky and your location?
The altitude of the north celestial pole equals your latitude.
If we have a new moon today, when we will have the next full moon?
in about 2 weeks.
The fact that we always see the same face of the Moon tells us that:
the Moon's rotation period is the same as its orbital period.
Which of the following celestial objects do NOT rise in the east and set in the west, as viewed from the Earth? (Assume that all of these objects are visible from your location on Earth, and that none of them are circumpolar.)
- stars - the Sun - the Moon - galaxies ***All of these objects rise in the east and set in the west.
What do astronomers mean by a constellation?
A constellation is a region in the sky as seen from Earth.
What is the ecliptic?
The path the Sun appears to trace around the celestial sphere each year.
Which of the following best describes why we have seasons on Earth?
The tilt of Earth's axis causes different portions of Earth to receive more or less direct sunlight at different times of year.
Stars that are visible in the local sky on any clear night of the year, at any time of the night, are called _________.
circumpolar.
In winter, Earth's axis points toward the star Polaris. In spring:
the axis also points toward Polaris.
When it is summer in Australia, the season in the United States is
winter.
