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In the designation α Canis Majoris, which part refers to the star and which part refers to the constellation?

You are in the northern hemisphere and the season is winter. The Sun is above a geographic point in the southern hemisphere and below the celestial equator.

At any point in its orbit, exactly one half of the Moon is illuminated by the Sun.

An absorption spectrum is also called a bright-line spectrum.

As Earth rotates, circumpolar stars appear to move counterclockwise around the north celestial pole.

The total amount of illumination changes during the lunar cycle of phases.

In the Northern Hemisphere, the sunlight moves from right to left across the surface of the Moon during the waxing phases.

Astronomy is pseudoscience.

Earth’s atmosphere is fully transparent only to visible and radio light.

An observer at Earth’s geographic north pole would find _______