chromatic harp

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solar eclipse, sun, moon, astronomy, space

How Do You Tell the Difference Between Total, Annular, Solar, and Lunar Eclipses?

Venus, view of the northern hemisphere based on observations made by the Magellan spacecraft. The Maxwell Montes, Venus' highest mountain range, is the bright spot just below the center of the image. The Montes, and the dark areas above and to its left,a

5 Weird Facts About Venus

Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration

Timeline of the Space Race, 1957–69

Close up of periodic table, focus on nickel, copper, zinc, palladium, silver, cadmium

When Was the Periodic Table Invented?

Lead image for "A Timeline of the World in 8 Maps"

A Timeline of the World in 8 Maps

Camel at Khor Rori, Oman; mammal.

Do Camels Store Water in Their Humps?

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

chromatic harp

musical instrument

Learn about this topic in these articles:

types of harps

In harp
…12 strings per octave (chromatic harps).
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