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This document discusses the history and types of telescopes and observatories. It begins by defining a telescope as a tool used to see faraway objects using curved mirrors or lenses. It then discusses the early history of the telescope in the 16th century Netherlands. The document goes on to describe different types of observatories, including ground-based, space-based, airborne, and underground observatories. Examples of prominent ground-based observatories like Mauna Kea and Paranal are provided.
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Telescopes power point
A telescope is an instrument that gathers light from distant objects to make them appear closer. It uses lenses or mirrors to focus light and magnify views of planets, stars, comets, and other objects in space as well as wildlife on Earth. The main types are refracting telescopes, which use lenses, and reflecting telescopes, which use mirrors. Newer space and ground-based telescopes will provide clearer views deeper into the universe than ever before.
Refracting and reflecting telescope
Refracting telescopes use lenses to gather and focus light, while reflecting telescopes use mirrors. Most large telescopes, like those found in observatories, are reflecting telescopes because it is easier to build large mirrors that gather more light. Invisible light telescopes can detect wavelengths beyond the visible spectrum, allowing astronomers to study objects that cannot be observed with visible light alone, such as using infrared telescopes to gather heat signatures.
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This document provides an overview of different types of telescopes, including refracting and reflecting telescopes, and discusses issues like aberration and how they are addressed. It also covers how telescopes are used to view fainter objects, the limits of angular resolution, and advanced optical telescope designs like the Cassegrain, catadioptric, and Schmidt telescopes. In particular, it notes that refracting telescopes can experience chromatic aberration which can be addressed using an achromatic lens, while reflecting telescopes are prone to spherical aberration addressed using a parabolic mirror.
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Johannes Kepler developed his three laws of planetary motion based on observational data collected by Tycho Brahe. Kepler's First Law states that planets orbit the Sun in ellipses, with the Sun located at one focus. Kepler's Second Law says that planets sweep out equal areas in equal intervals of time. Kepler's Third Law relates the orbital period of a planet to the semi-major axis of its orbit, such that the square of the period is proportional to the cube of the semi-major axis.
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this is a presentation about invention of telescope. i have placed many information about telescope invention. and ancient world about telescope also. i hope this will usefull to you.
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Telescopes power point
A telescope is an instrument that gathers light from distant objects to make them appear closer. It uses lenses or mirrors to focus light and magnify views of planets, stars, comets, and other objects in space as well as wildlife on Earth. The main types are refracting telescopes, which use lenses, and reflecting telescopes, which use mirrors. Newer space and ground-based telescopes will provide clearer views deeper into the universe than ever before.
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Refracting telescopes use lenses to gather and focus light, while reflecting telescopes use mirrors. Most large telescopes, like those found in observatories, are reflecting telescopes because it is easier to build large mirrors that gather more light. Invisible light telescopes can detect wavelengths beyond the visible spectrum, allowing astronomers to study objects that cannot be observed with visible light alone, such as using infrared telescopes to gather heat signatures.
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This document provides an overview of different types of telescopes, including refracting and reflecting telescopes, and discusses issues like aberration and how they are addressed. It also covers how telescopes are used to view fainter objects, the limits of angular resolution, and advanced optical telescope designs like the Cassegrain, catadioptric, and Schmidt telescopes. In particular, it notes that refracting telescopes can experience chromatic aberration which can be addressed using an achromatic lens, while reflecting telescopes are prone to spherical aberration addressed using a parabolic mirror.
Keplers Laws
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Modern science examines events and aspects of nature to categorize and model them mathematically. It has changed lives through important discoveries like electricity, which is a great source of power. Science has also lessened human suffering by developing medical advances like penicillin, X-rays, and ultrasounds that help the blind, deaf, and lame. Additionally, transportation innovations created by science such as cars, trains, planes and ships have removed distances and saved time for travel.
MODREN SCIECE
Modern science examines events and aspects of nature in a comprehensive and systematic way so they can be categorized and modeled mathematically. It has transformed our lives through remarkable innovations in areas like electricity, communication, medicine, transportation, and space exploration. While technology can enable harm like pollution if misused, science itself is not harmful and has lessened human suffering through discoveries that help the blind see, deaf hear, and lame walk. It continues establishing itself as humanity's greatest conqueror through our inherent desire to understand the world with wonder.
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This PowerPoint compilation offers a comprehensive overview of 20 leading innovation management frameworks and methodologies, selected for their broad applicability across various industries and organizational contexts. These frameworks are valuable resources for a wide range of users, including business professionals, educators, and consultants.
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留信网认证的作用:
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3:国家专业人才认证中心颁发入库证书
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TELESCOPE PPT pptx.pptx
- 1. TELESCOPE
- 2. INTRODUCTION WHAT IS TELESCOPE ? HISTORY OF TELESCOPE OBSERVATORIES TYPES OF OBSERVATORIES CONCLUSION AGENDA
- 3. WHAT IS TELESCOPE? A TELESCOPE IS A TOOL THAT USED TO SEE FARAWAY OBJECTS. TELESCOPE HOW THE TELESCOPE WORK? MOST TELESCOPES, AND ALL LARGE TELESCOPES, WORKBY USING CURVED MIRRORS TO GATHER AND FOCUS LIGHT FROM THE NIGHTSKY. THE FIRST TELESCOPES FOCUSED LIGHT BY USING PIECES OF CURVED, CLEAR GLASS, CALLED LENSES.
- 4. IN 16TH CENTURY .THE FIRST RECORD OF A TELESCOPE COMES FROM THE NETHERLANDS IN 1608. HISTORIANS ARE NOT ABSOLUTELY SURE WHO INVENTED THE TELESCOPE HISTORY OF TELESCOPE
- 5. 2 OCTOBER 1608: THIS WAS APPEARED BY MIDDELBURG SPECTACLE-MAKER HANS LIPPERSHEY WITH THE STATES GENERAL OF THE NETHERLANDS ABOUT TELESCOPE BY 1609 GALILEO GALILEI HAD STARTED OBSERVING THE SKY WITH TELESCOPES THAT MAGNIFIED UP TO 20 TIMES. THE FIRST TELESCOPE
- 6. AN OBSERVATORY IS A LOCATION USED FOR OBSERVING CELESTIAL EVENTS.OBSERVATORIES TOOK THE TELESCOPES TO NEXT LEVEL. OBSERVATORIES
- 7. ASTRONOMICAL OBSERVATORIES ARE MAINLY DIVIDED INTO FOUR CATEGORIES. THEY ARE TYPES OF OBSERVATORY • GROUND BASED OBSERVATORY • SPACE BASED OBSERVATORY • AIRBONE OBSERVATORY • UNDER GROUND BASED OBSERVATORY
- 8. THESE ARE LOCATED ON THE SURFACE OF EARTH THESE ARE USED TO MAKE OBSERVATORIES IN THE RADIO AND VISIBLE LIGHT PORTION OF ELECTRO MAGNETIC SPECTRUM GROUND BASED OBSERVATORIES
- 9. MAUNA KEA OBSERVATORIES,HAWAII PARANAL OBSERVATORY,CHILE
- 10. SPACE BASED OBSERVATORIES THESE ARE TELESCOPES OR OTHER INSTRUMENTS THAT ARE LOCATED IN OUTER SPACE IN WHICH MOSTLY ORBIT THE EARTH THESE TELESCOPES ARE THE MOST POWERFUL AS COMPARE TO GROUND BASED THESE TELESCOPES DOES NOT AFFECTED BY TH EARTH’S BLOCKING OF ULTRA VIOLET,XRAYS AND GAMMA RAYS
- 11. SPACE BASED OBSERVATORIES AIRBORNE OBSERVATORIES GROUND BASED OBSERVATORIES UNDER GROUND BASED OBSERVATORIES