Telescope · the objects it made easier to observe in astronomy

Think it. Then flip it. ahamoraTap to reveal Back to the cue

HistoryOne small aha

Your new ahaDistant celestial objects.

A telescope's aperture determines how much light it can collect. Source: Telescope ↗

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45Abacus · the kind of operations users perform with itRECALL
Arithmetic calculations.
Its beads or counters represent numbers on rods or grooves and remain useful teaching tools.
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46Map scale · the relationship it representsRECALL
Showing how a distance on a map relates to a real distance.
A map is a model, so scale and projection shape what it can show well.
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47Archive · meaning of the historical-records termRECALL
A collection of records kept for long-term value.
Archives may hold paper, photographs, audio, digital files, and objects.
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