This title explores the relationship between Earth and the Sun.

Where does the daylight come from? -- What is the sun? -- Where does the sun go at night? -- Does the sun ever go dark? -- What is the moon? -- Why is the moon out in the daytime? -- Where do the stars go in the daytime? -- Could the sun ever stop shining? -- Do other planets have suns and moons? -- Do other planets have nights and days? -- Why are some days longer than others? -- Could we live without the sun? -- Galaxy quiz.