Coordenadas Celeste

What is the term for the direction of a celestial object from the observer?

• Altitude

• Azimuth

• Latitude

• Longitude

What is the imaginary line that divides the Earth into Northern and Southern Hemispheres?

• Prime Meridian

• Equator

• Tropic of Cancer

• Tropic of Capricorn

Which point on the celestial sphere is used as a reference for the lowest point in the sky?

• Horizonte

• Zênite

• Nadir

• Equador Celeste

What is the "Nadir" in the celestial sphere?

• The point directly above the observer

• The point directly below the observer

• The intersection of the horizon and the celestial equator

• The path of the moon

What does "Paralelo Celeste" refer to in the diagram?

• A line parallel to the celestial equator

• A line parallel to the horizon

• A line parallel to the Earth's axis

• A line parallel to the meridian

Which term describes the observer's local meridian in the diagram?

• Meridiano Celeste

• Meridiano Local

• Eixo Terrestre

• Equador Celeste

What is the significance of the "Horizon" in the celestial sphere?

• It marks the boundary between the Earth and sky

• It is the path of the sun across the sky

• It is the highest point in the sky

• It is the line connecting the zenith and nadir

What is the "Polo Celeste Norte" in the context of the celestial sphere?

• The point where the Earth's axis intersects the celestial sphere in the north

• The point where the Earth's axis intersects the celestial sphere in the south

• The highest point in the sky

• The path of the sun across the sky

What are the celestial poles?

• Points where the Earth's rotation axis intersects the celestial sphere in the Northern and Southern hemispheres.

• Points where the Earth's equator intersects the celestial sphere.

• Points where the Earth's orbit intersects the celestial sphere.

• Points where the Earth's magnetic field intersects the celestial sphere.

What is the significance of the celestial equator in the diagram?

• It is the projection of the Earth's equator onto the celestial sphere.

• It is the line where the Earth's orbit intersects the celestial sphere.

• It is the line where the Earth's magnetic field intersects the celestial sphere.

• It is the line where the Earth's axis intersects the celestial sphere.