5 Questions
What is the definition of a planet?
An object that orbits a star, is roughly spherical, and has cleared its neighborhood of other objects
What holds stars together in immense groups called galaxies?
Gravity
What makes up objects in the universe?
Matter and Energy
Which entity in the universe is defined as the inherent ability of a region of space?
Energy
Why is Pluto not considered a planet?
It has not cleared its orbit
Test your knowledge of cosmology and the birth of the Earth with this quiz. Explore the basic entities of the universe, including matter and energy, and learn about stars and galaxies. Perfect for anyone interested in astronomy and the origins of the cosmos.
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