PPT-Question of the Day What are the four types of telescopes? Why do we care?
Author : giovanna-bartolotta | Published Date : 2018-03-13
WWBAT Describe the telescopes and define the Nebular Theory Homework study for the quiz tomorrow Nebular Theory Gravity Definition attractive force bringing items
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Question of the Day What are the four types of telescopes? Why do we care?: Transcript
WWBAT Describe the telescopes and define the Nebular Theory Homework study for the quiz tomorrow Nebular Theory Gravity Definition attractive force bringing items towards itself Bigger objects have more gravity. Assignment 1. Example Problems. Types of Data. Question: . Determine whether the given value is a . statistic. or a . parameter. .. In a study of all 1904 seniors at college, it is found that 25% own a television.. Telescopes and the group project As an exciting new experiment each group will build their telescope Then each of you will carry out an observing project to assess the likelihood We Essential Questions- You should be able to answer these questions by the end of the PowerPoint.. What is the purpose of a telescope?. How do refracting telescopes work?. How do reflecting telescopes work?. Telescopes. Key Concepts. What are the regions of the electromagnetic spectrum?. What are telescopes and how do they work?. Where are most large telescopes located?. Telescopes - Key Terms. Telescope. Telescopes were first invented around the year 1600. . Galileo . Galilei was an early astronomer who first used telescopes to view objects in our solar system. . He . made many important discoveries including: the moon was covered in mountains and Jupiter had 4 large moons.. Jon Holtzman. NMSU Astronomy. Telescopes are light buckets: bigger buckets collect more light, and faint (far away) objects don’t produce much light!. Why build bigger telescopes?. In principle, bigger telescopes make sharper images:. Optical Telescopes. Ground based and on satellites. Observations are recorded using a camera instead of the human eye most times. . This is so we can separate colors into light and using times to study changes over time.. The most important property of a telescope? . No, it’s not it’s “power” or magnifying ability, it is……. Its . Light Gathering . power! So, . t. he diameter of the mirror or lens is THE most important property. Types of Telescopes. A telescope collects light over a large area and focuses it in a . small area where it can be viewed with an eye or a camera. This can be done in 2 ways:. Refracting Telescopes. How astronomers study space. Electromagnetic Radiation (EMR). Light can travel through empty space. All EMR travels at the speed of light. . 3 x 10. 8. m/sec. Astronomers study different types of EMR. Refraction is the _____________ of light as it passes through glass.. II. Reflection: . Reflection occurs when light _____________ off of a mirror.. F. f. I. Refraction: . Refraction is the ___. bending. History. In 1773 Herschel invented a large . reflecting . telescope and discovered Uranus. This was the first “new” planet.. In late 1800’s . Kuiper. found methane gas in Saturn’s moon with the largest . . Size does matter. The bigger, the better. 2. Resolve detail. 3. Magnification. Only important for solar system objects. Refracting Telescopes. Cheap. Good for bright objects. Basic design. Reflecting Telescopes. April 20, 2017. Three Basic Types. Refractors – Typical 3” to 6”. Advantages. -Easy to use and consistent due to the simplicity of design. . - Images are very sharp. - Excellent for lunar, planetary and binary stargazing especially with larger apertures. .
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