Got answers?

1. Measurements: What time period does a “sesquicentennial” refer to?

2. Astronomy: What does nadir mean?

3. Science: What was Aldo Leopold’s contribution to science?

4. Music: Which composer created 19 “Hungarian Rhapsodies”?

5. Art: Who painted the work titled “The Scream”?

6. Architecture: What is a ziggurat?

Answers

1. 150 years

2. Ninety degrees below the horizon or the point directly below the observer.

3. Created interest in wilderness conservation

4. Franz Liszt

5. Edvard Munch

6. A tower that looks like a stepped pyramid