Ch 02: Homework

Label the Northern Hemisphere, solstices, and equinoxes on the appropriate locations in this diagram of Earth in its orbit around the Sun.

(Start at the far left side closest to where it says Earths orbit and go COUNTERCLOCKWISE with the arrows) A. Summer solstice D. Autumnal equinox B. Winter solstice C. Vernal equinox

The diagram shows the configuration of the Sun, Earth, and Moon during a solar eclipse, and the regions on Earth from which the solar eclipse is visible. Identify how much of the eclipse can be seen at each location on Earth by dragging each label to the corresponding target.

(from the bottom going clockwise) C. No eclipse; Sun and Moon visible A. Total eclipse B. Partial eclipse D. Sun and Moon not visible

Rank the latitude at which you would see the motion depicted in each image, starting with 90° north and moving south.

Closest - North celestial pole at the zenith - North celestial pole (30º) - North celestial pole is on the horizon - South celestial pole (30º) Farthest

Where is the Moon in this person's sky?

D. high in the sky

The tilt of Earth's axis causes the seasons because

E. both b and c are correct.

Label these important reference points in your sky.

Left to Right: B. South A. Meridian C. Zenith D. East

Which stars we see at night depends on

Select: A.the time of the observation. B.Earth's location in its orbit. C.our location on Earth.

The diagram shows the zodiacal constellations viewable from Earth at different seasons. Label the month that the Sun appears in each marked constellation.

Taurus - D. May Pisces - A. April Aquarius - C. March Virgo - B. October

Label each marked location on the celestial sphere with the term that best describes it. The Earth is oriented in the standard way, with north up and south down.

top: A. North celestial pole bottom: B. South celestial pole left: D. Celestial equator right: C. Ecliptic

Arrange the following phases of the Moon in chronological order (in a single-phase cycle) starting with a new Moon. You may need to use the arrow icon to see all of the items.

🌑🌒🌓🌕🌗🌘

We always see the same side of the Moon because

B. the Moon rotates once each revolution.

Watch the Astronomy in Action video about seasons, and answer the following question. What causes the angle of the Sun to change over the year?

C. Earth's North Pole always points in the same direction in space. Sometimes this is toward the Sun, and sometimes it's away from the Sun.

Drag each phase of the Moon to its correct location during that phase.

3:00 am - C. Waning gibbous 6:00 am - B. Third quarter 9;00 am - D. Waning crescent 3:00 pm - E. Waxing crescent 6:00 pm - A. First quarter 9:00 pm - F. Waxing gibbous

Which is not true about the vernal and autumnal equinoxes?

A. The motion of the stars in the sky on the equinoxes is different than on other days.

An observer sees the Moon in full phase, __________________, at 6 A.M.

A. setting in the west