Night Sky Assessment Practice

What is the name of the star closest to the Celestial North Pole?

• Rigel
• Vega
• Polaris
• Orion

What the celestial equivalent of "latitude?" 

• Inclination
• Left Ascension
• Right Ascension
• Declination

What are the units for right ascension?

• degrees
• hours
• arc milliseconds
• kilometers

What is the name of the day that has the greatest amount of daylight (Northern Hemisphere)?

• Summer Solstice
• Fall Equinox
• Spring Equinox
• Winter Solstice

The Sun rise at the same time tomorrow as it did today.

• True
• False

The solar day is longer than the sidereal day.

• true
• false

Autumnal equinox the day and night time are equal.

• true
• false

Right ascension measures an object's _______ .

• fixed horizontal direction compared to the solar system

• changing horizontal direction compared to the viewer's cardinal directions.

• fixed vertical direction compared to the solar system

• changing vertical direction compared to the viewer's horizon

What does azimuth measure?

• horizontal angle from north

• vertical angle off the horizon

• vertical angle north or south of the celestial equator

• horizontal angle from the direction of the vernal equinox

What does altitude measure?

• horizontal angle from north

• vertical angle off the horizon

• vertical angle north or south of the celestial equator

• horizontal angle from the direction of the vernal equinox