to see what the planets look like. and to see what they would do over time.
A telescope.
A telescope or binoculars.
Tools such as magnifying glasses and microscopes can be used to better observe objects.
Scientists use microscopes to observe and study tiny structures at a magnified level. Telescopes, on the other hand, are used to observe distant celestial objects in space.
Binocular
Special curved lenses are used to make objects larger. It is a sense of scale and perception that makes distant objects magnified.
The word telescope is from the Greek words meaning "distant" and "viewing" (looking). The telescope is : 1.) An arrangement of lenses or mirrors or both that focuses visible light, permitting better observation of distant objects. 2.) Any of various devices, such as a radio telescope, similarly used to detect and observe distant objects by their emission, transmission, reflection, or other interaction with invisible radiation.
yeah...
A telescope is an optical system used to make objects, especially distant objects, appear larger/closer.
telescope
Terrestrial telescope
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