The first-quarter Moon rises

Long wavelength visible light

Kepler’s first law is about planets orbiting a host star in the shape of an ellipse with the host star at the center of the ellipse.

A geocentric universe is Sun centered.

If the Sun passes directly overhead on at least one day per year, then

The Ptolemaic model of the universe was heliocentric.

What is a blackbody?

The ecliptic can be defined as

A solar eclipse that occurs when the Moon’s umbra reaches Earth’s surface is called

The Moon always keeps the same side facing Earth and therefore Earth always keeps the same side facing the Moon.