Galileo Galilei.
Galileo was the first person to use a telescope for astronomical research.
The first person to use a telescope for astronomical observation was Galileo Galilei in the early 17th century. He made groundbreaking discoveries, such as the moons of Jupiter and the phases of Venus, using his telescope.
Galileo Gailei is the first person credited with using the telescope for astronomical observations. He did not invent the telescope. He is the first to have seen moons going around Jupiter, the rings of Saturn (though he incorrectly identified them), and that the Moon had cliffs and craters.
He didn't he improved the existing telescope and turned it to astronomical use around 1609
Galileo was the first person to use a telescope for astronomical purposes, making significant observations that supported the heliocentric model of the solar system. His astronomical discoveries, such as the moons of Jupiter and the phases of Venus, revolutionized our understanding of the universe.
While not the inventor of the telescope, Galileo is widely believed to be the first person to use a telescope for astronomy.
The first person to examine space through a telescope was Galileo Galilei in the early 17th century. He made significant astronomical discoveries, such as the moons of Jupiter and the phases of Venus, which supported the heliocentric model of the solar system.
The cost of space travel is still astronomical. A telescope is used for astronomical sightings.
Copernicus did not use a telescope in his astronomical work.
Some say it was Hans Lippershey, a Dutch optician, in 1608. But Galileo was thew first to turn the telescope to the skies and use it for astronomical purposes.
Galileo
Galileo is the first person that we know of who pointed his telescope up. Or at least, he was the first person who wrote about doing so.