Which direction does the Sun, the stars, and the moon appear to travel in?

How long does it appear to take the sun, the stars, and the moon to travel across the sky?

What is a sidereal day?

What is a solar day?

Why is a sidereal day different to a solar day?

Which planets can be seen with the naked eye?

How do planets appear to move?

Why do the planets appear to move in retrograde motion?

Why do solar eclipses occur?

Why do lunar eclipses occur?

Why are eclipses rare?

Why are different stars seen in the night sky at different times of the year?

What is the angle of 'right ascension'?

What is the angle of 'declination'?