Which is the final event that occurs when a star is forming?
Which remains the same as the distance of an object from Earth changes?
What was discovered in 1965 and is believed to be leftover thermal energy from the big bang?
Which is a future NASA research project?
What term describes the moon’s path around Earth?
Which characteristic do Mercury and Mars share?
What term specifically describes small chunks of rocks and debris in space that burn up in Earth’s atmosphere?
Which term defines a star system with two stars?
In which range is the peak wavelength of a star that is much hotter than the Sun most likely to be?
Which causes objects in the universe to resist a change in speed or direction?
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Which is one physical property that all stars have?
What force acts between Earth and the moon?
What is the correct order of star colors from hottest to coolest?
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