telescopes
Spectroscope
The instrument that is used to study cells is a microscope.
telescope,spectroscope
a magnifying glass.
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At the Age of Exploration they used telescope to observe stars.
A spectrometer is used to determine the composition of stars, and how fast they are going relative to Earth.
That is a telescope
A telescope is commonly used for observing stars. Telescopes collect and magnify light from celestial bodies, allowing astronomers to study stars in more detail. They come in various sizes and configurations, including optical and radio telescopes.
Microscope and AK-47.
An HR gram
Telescope