TEST YOUR SKY-Q

As a calendar of the heavens, this Almanac, with Almanac.com/Astronomy, provides context and helps you to scan the skies. Take this quiz to gauge your knowledge of the universe.

Compiled by Bethany E. Cobb

FOR BEGINNER OBSERVERS

1. Which planets (not including Earth) can you easily see with the naked eye when they are up in the night sky? a. Mercury, Venus, Mars b. Mercury, Venus, Mars, Jupiter, Saturn c. Venus, Mars, Jupiter, Saturn d. Jupiter, Saturn, Uranus, Neptune

2. Why do astronomers use visible-light space–based telescopes like the Hubble Space Telescope (HST)? a. These telescopes have a better view because they are nearer to the stars. b. Because these telescopes are above the atmosphere, they can obtain clearer images than ground–based telescopes. c. These telescopes are much larger than ground–based telescopes, so they can collect more light. d. Digital imaging cameras work more efficiently in the coldness of space.

3. What causes the seasons? a. The entire Earth is closer to the Sun in summer and farther from the Sun in winter. b. The 23.5-degree tilt of Earth's axis results in one hemisphere of Earth being significantly closer to

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