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How long have people been using telescopes to explore the heavens?

People have been using telescopes to explore the heavens since the early 17th century. The first recorded use of a telescope for astronomical purposes was by Galileo Galilei in 1609, shortly after the invention of the device in the Netherlands. This marked the beginning of modern astronomy, enabling significant discoveries about celestial bodies and the universe. Since then, telescopes have evolved significantly, enhancing our understanding of the cosmos over the centuries.


How long has the telescope been around?

The invention of the telescope is generally attributed to Hans Lippershey in 1608. The first practical telescopes were developed by Galileo Galilei in 1609. So, telescopes have been around for over 400 years.


How did you find out that meteors existed?

People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.People have been seeing meteors as long as people can remember, so there is not a particular time they can be said to have been discovered or a person who can be said to have discovered them.


When was the earliest telescopes and how were constructed of two lenses in a long hollow tube?

optical telescope


What is long-wave electromagnetic radiations used in special telescopes?

Long-wave electromagnetic radiation used in special telescopes includes infrared radiation and submillimeter radiation. These telescopes are designed to detect and study objects that emit or reflect these longer wavelengths of light, allowing astronomers to observe phenomena such as cool stars, cosmic dust, and molecular clouds.