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The Moon rises 50 minutes later each day because

The Sun’s high-speed charged nuclei and electrons form a fourth phase of matter known as a

The ________________ is located beyond the orbit of Neptune.

The sky is blue because the atmosphere __________ sunlight more for blue wavelenghts.

Sudden, bright, explosive events originating on the Sun’s surface which release energy associated with the Sun’s magnetic field are called

Prominent groups of stars in the night sky that appear to an Earth observer as distinct patterns are called __________.

Which of the following is a technique used by astronomers in their search for other planetary systems?

Hurricanes derive their energy from __________.

The branch of astronomy that studies the structure and evolution of the entire universe is called

The Great Red Spot has been visible on Jupiter for at least