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I just bought one for $20 at a yard sale. d=60 X f=800m

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Continue Learning about Natural Sciences

A telescope forms an image of an area of an area of the sky called its?

field of view


What is the small telescope on top of a larger telescope?

The small telescope on top of a larger telescope is called a guide scope or finder scope. It is used to help the astronomer point the main telescope at specific objects in the sky by providing a wider field of view for initial alignment. The guide scope is usually equipped with a crosshair reticle for precise targeting.


Which branch of science created the telescope?

The invention of the telescope is credited to the field of optics, which encompasses the study of light, vision, and the behavior of electromagnetic radiation. The first practical telescope was invented in the early 17th century by Dutch spectacle maker Hans Lippershey.


What is hubble's space telescope also known as?

Hubble's Space Telescope is also known as the Hubble Space Telescope (HST). Launched in 1990, it is named after the astronomer Edwin Hubble, who played a crucial role in establishing the field of extragalactic astronomy. The telescope has provided breathtaking images and valuable data, significantly advancing our understanding of the universe.


How much is a Wards Western Field 20 gauge shotgun 2 34 inch worth?

The value of a Wards Western Field 20 gauge shotgun can vary depending on its condition, age, and any unique features. Typically, these shotguns range in value from $100 to $300. It's best to have the shotgun appraised by a firearms expert for an accurate assessment of its worth.