Question

now that weve gotten the formal definitions in class, take a moment to make sure you know the following definitions

the point directly above you

celestial latitude

celestial longitude

the point directly below you

an imaginary sphere that extends around earth on which the stars appear to move

exactly half way between the celestial poles

an imaginary line that extends from the north celestial pole to the south celestial pole that passes through your zenith

Explanation:

To solve this matching problem, we recall the definitions of celestial terms:

1. Celestial Latitude: The angular distance of a celestial object north or south of the celestial equator (analogous to Earth’s latitude).
2. Celestial Longitude: The angular distance of a celestial object east along the celestial equator from the vernal equinox (analogous to Earth’s longitude).
3. Imaginary sphere around Earth (stars’ apparent motion): This is the celestial sphere (a model to simplify observing stellar motion).
4. Exactly halfway between celestial poles: This is the celestial equator (midway between the north and south celestial poles, like Earth’s equator).
5. Imaginary line from north to south celestial pole through zenith: This is the celestial meridian (a great circle passing through the zenith, nadir, and celestial poles).

Matching:

• "celestial latitude" → (definition: angular distance from celestial equator, north/south)
• "celestial longitude" → (definition: angular distance from vernal equinox, east along celestial equator)
• "An imaginary sphere that extends around Earth on which the stars appear to move" → Celestial Sphere
• "exactly half way between the celestial poles" → Celestial Equator
• "An imaginary line that extends from the north celestial pole to the south celestial pole that passes through your zenith" → Celestial Meridian

If we assume the dropdowns (after Zenith/Nadir) correspond to these, the matches are:

• celestial latitude: (matches its definition)
• celestial longitude: (matches its definition)
• An imaginary sphere...: Celestial Sphere
• exactly half way...: Celestial Equator
• An imaginary line...: Celestial Meridian

(Note: If specific options were in the dropdowns, we’d select the term matching each definition. The key is recalling the astronomical definitions of these celestial terms.)

Answer:

To solve this matching problem, we recall the definitions of celestial terms:

1. Celestial Latitude: The angular distance of a celestial object north or south of the celestial equator (analogous to Earth’s latitude).
2. Celestial Longitude: The angular distance of a celestial object east along the celestial equator from the vernal equinox (analogous to Earth’s longitude).
3. Imaginary sphere around Earth (stars’ apparent motion): This is the celestial sphere (a model to simplify observing stellar motion).
4. Exactly halfway between celestial poles: This is the celestial equator (midway between the north and south celestial poles, like Earth’s equator).
5. Imaginary line from north to south celestial pole through zenith: This is the celestial meridian (a great circle passing through the zenith, nadir, and celestial poles).

Matching:

• "celestial latitude" → (definition: angular distance from celestial equator, north/south)
• "celestial longitude" → (definition: angular distance from vernal equinox, east along celestial equator)
• "An imaginary sphere that extends around Earth on which the stars appear to move" → Celestial Sphere
• "exactly half way between the celestial poles" → Celestial Equator
• "An imaginary line that extends from the north celestial pole to the south celestial pole that passes through your zenith" → Celestial Meridian

If we assume the dropdowns (after Zenith/Nadir) correspond to these, the matches are:

• celestial latitude: (matches its definition)
• celestial longitude: (matches its definition)
• An imaginary sphere...: Celestial Sphere
• exactly half way...: Celestial Equator
• An imaginary line...: Celestial Meridian

(Note: If specific options were in the dropdowns, we’d select the term matching each definition. The key is recalling the astronomical definitions of these celestial terms.)