Examlex
What did Edwin Hubble study in the Andromeda Galaxy that proved it was an individual galaxy and not part of our own Milky Way?
Frequencies
The number of occurrences of a repeating event per unit of time, often used in the context of sound waves or electromagnetic waves.
Virtual-Reality Goggles
Wearable devices that provide immersive digital experiences by simulating environments and visual perceptions.
Mannequin
A life-sized model of the human body, often used in retail to display clothes or in art for drawing reference.
Illusion
A perception that misleadingly represents reality.
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