Why Do the Patterns of the Stars in Our Sky

question 61

Multiple Choice

Why do the patterns of the stars in our sky look the same from year to year?

• A) Because the stars in the constellations are so far away
• B) Because the stars in the constellations are not moving
• C) Because the stars in the constellations all move at the same speeds and in the same directions, so they don't change their relative positions
• D) Because the stars in the constellations move so slowly-typically about the speed of a snail-that their motions are not noticeable

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Definitions:

Aquatic Life Zones

Specific areas in bodies of water, categorized by depth, light penetration, temperature, and other factors, that support various forms of life, including freshwater and marine ecosystems.

Coastal Life Zones

Areas along the coast characterized by distinct biological communities and abiotic conditions, often defined by factors such as depth, salinity, and wave action.

Prairie Potholes

Depressional wetlands scattered throughout the Upper Midwest of the United States and Canada, vital for waterfowl breeding and nesting habitats.

Retreating Glaciers

Glaciers that are diminishing in size and length due to melting, often cited as evidence of global climate change.