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Telescopes
Telescopes are objects which we use (mainly astronomers) to study space, planets, stars and almost anything else that appears in space. Telescopes can come in many shapes and sizes, from a cheap telescope anyone can use (pictured below), to the NASA's Hubble Space Telescope (also pictured below).
Thanks to telescopes, we discovered many things about the Milky Way and the Universe we live in. From Galileo's discovery about the moon to the Hubble Telescope taking many pictures of its discoveries of the Universe. Inside a telescope, there are two pieces of glass, the eyepiece and the objective lens. Combine these two together and you can see things which are far away like they aren't. For example, a small 15 cm telescope can read the writing on an American dime from 55 metres away while the Hubble telescope can see things which are billions of light years away.
Telescopes were invented by Italian Galileo Galilei (1564-1642) (you can read more about Galileo on the next page), who based it from a ‘spyglass’ which was invented by the Dutch Hans Lippershey. Galileo made his telescope in 1609 and decided to look in the sky. The ‘spyglass’ was originally for spying on enemies so the military could know how strong the enemy force was. As technology has advanced, more scientific and more complicating to use telescopes have been made and making the telescope Galileo made now obsolete.
Telescopes are objects which we use (mainly astronomers) to study space, planets, stars and almost anything else that appears in space. Telescopes can come in many shapes and sizes, from a cheap telescope anyone can use (pictured below), to the NASA's Hubble Space Telescope (also pictured below).
Thanks to telescopes, we discovered many things about the Milky Way and the Universe we live in. From Galileo's discovery about the moon to the Hubble Telescope taking many pictures of its discoveries of the Universe. Inside a telescope, there are two pieces of glass, the eyepiece and the objective lens. Combine these two together and you can see things which are far away like they aren't. For example, a small 15 cm telescope can read the writing on an American dime from 55 metres away while the Hubble telescope can see things which are billions of light years away.
Telescopes were invented by Italian Galileo Galilei (1564-1642) (you can read more about Galileo on the next page), who based it from a ‘spyglass’ which was invented by the Dutch Hans Lippershey. Galileo made his telescope in 1609 and decided to look in the sky. The ‘spyglass’ was originally for spying on enemies so the military could know how strong the enemy force was. As technology has advanced, more scientific and more complicating to use telescopes have been made and making the telescope Galileo made now obsolete.
Types of Telescopes
There are 2 basic types of telescopes, a reflector telescope and a refractor telescope. The Hubble telescope is a reflector telescope. Other telescopes include Radio telescopes, which are used to detect radio waves from objects in space, X-Ray telescopes, which are used to study Sun, other stars and supernovas (dying stars) and Gamma Ray telescopes are used to detect gamma rays from events such as black holes, supernova's and pulsars. These are just some of so many different types of telescopes. If you try to buy one of the telescopes that I had mentioned, you would be ending up spending thousands if not millions of dollars (maybe billions if you want it in space, depending on the size and weight of it). Reflector telescopes bends the light by using convex lens, refracting telescopes also use convex lens but it is thicker through the centre and brings the light together at one point. An X-ray telescope can make a picture from an object it is listening to from the noise it picks up from the object.
There are 2 basic types of telescopes, a reflector telescope and a refractor telescope. The Hubble telescope is a reflector telescope. Other telescopes include Radio telescopes, which are used to detect radio waves from objects in space, X-Ray telescopes, which are used to study Sun, other stars and supernovas (dying stars) and Gamma Ray telescopes are used to detect gamma rays from events such as black holes, supernova's and pulsars. These are just some of so many different types of telescopes. If you try to buy one of the telescopes that I had mentioned, you would be ending up spending thousands if not millions of dollars (maybe billions if you want it in space, depending on the size and weight of it). Reflector telescopes bends the light by using convex lens, refracting telescopes also use convex lens but it is thicker through the centre and brings the light together at one point. An X-ray telescope can make a picture from an object it is listening to from the noise it picks up from the object.