Telescopes Galaxy 3 Galaxy 1 Galaxy 4 Galaxy
![Telescopes Telescopes](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-1.jpg)
![Galaxy 3 Galaxy 1 Galaxy 4 Galaxy 2 How many galaxies can you see Galaxy 3 Galaxy 1 Galaxy 4 Galaxy 2 How many galaxies can you see](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-2.jpg)
![Exploring the Universe Telescopes – are Fantastic! Exploring the Universe Telescopes – are Fantastic!](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-3.jpg)
![What they find ! The Universe contains the most amazing objects The Questions – What they find ! The Universe contains the most amazing objects The Questions –](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-4.jpg)
![Optical Telescopes • Most common type of telescope • Used to study visible light Optical Telescopes • Most common type of telescope • Used to study visible light](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-5.jpg)
![Refracting Telescopes • Uses lenses to gather and focus light • Has an objective Refracting Telescopes • Uses lenses to gather and focus light • Has an objective](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-6.jpg)
![Reflecting Telescopes • Uses a curved mirror to gather and focus light • Focuses Reflecting Telescopes • Uses a curved mirror to gather and focus light • Focuses](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-7.jpg)
![Very Large Reflecting Telescopes • Several mirrors work together to collect light and focus Very Large Reflecting Telescopes • Several mirrors work together to collect light and focus](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-8.jpg)
![Optical Telescopes and the Atmosphere • Air pollution, water vapor, and light pollution distort Optical Telescopes and the Atmosphere • Air pollution, water vapor, and light pollution distort](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-9.jpg)
![Other Telescopes – Hubble Space Telescope • Does not travel to stars, planets, or Other Telescopes – Hubble Space Telescope • Does not travel to stars, planets, or](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-10.jpg)
![The Electromagnetic Spectrum • All of the frequencies or wavelengths of electromagnetic radiation The Electromagnetic Spectrum • All of the frequencies or wavelengths of electromagnetic radiation](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-11.jpg)
![Detecting Electromagnetic Radiation • The Earth’s atmosphere blocks most invisible radiation from objects in Detecting Electromagnetic Radiation • The Earth’s atmosphere blocks most invisible radiation from objects in](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-12.jpg)
![Nonoptical Telescopes • Detect radiation that cannot be seen by the human eye • Nonoptical Telescopes • Detect radiation that cannot be seen by the human eye •](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-13.jpg)
![Radio Telescopes • Detect radio waves, not light waves • Much larger than optical Radio Telescopes • Detect radio waves, not light waves • Much larger than optical](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-14.jpg)
![Linking Radio Telescopes • Produces detailed images of the universe • When linked together, Linking Radio Telescopes • Produces detailed images of the universe • When linked together,](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-15.jpg)
![Nonoptical Telescopes in Space • Placed in space because most electromagnetic waves are blocked Nonoptical Telescopes in Space • Placed in space because most electromagnetic waves are blocked](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-16.jpg)
![• Turn in your textbook to page 563. • In complete sentences, answer • Turn in your textbook to page 563. • In complete sentences, answer](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-17.jpg)
- Slides: 17
![Telescopes Telescopes](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-1.jpg)
Telescopes
![Galaxy 3 Galaxy 1 Galaxy 4 Galaxy 2 How many galaxies can you see Galaxy 3 Galaxy 1 Galaxy 4 Galaxy 2 How many galaxies can you see](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-2.jpg)
Galaxy 3 Galaxy 1 Galaxy 4 Galaxy 2 How many galaxies can you see
![Exploring the Universe Telescopes are Fantastic Exploring the Universe Telescopes – are Fantastic!](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-3.jpg)
Exploring the Universe Telescopes – are Fantastic!
![What they find The Universe contains the most amazing objects The Questions What they find ! The Universe contains the most amazing objects The Questions –](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-4.jpg)
What they find ! The Universe contains the most amazing objects The Questions – How do they find them? What do they use?
![Optical Telescopes Most common type of telescope Used to study visible light Optical Telescopes • Most common type of telescope • Used to study visible light](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-5.jpg)
Optical Telescopes • Most common type of telescope • Used to study visible light from objects • Allows you to see millions of stars and other objects
![Refracting Telescopes Uses lenses to gather and focus light Has an objective Refracting Telescopes • Uses lenses to gather and focus light • Has an objective](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-6.jpg)
Refracting Telescopes • Uses lenses to gather and focus light • Has an objective lens that bends light that passes through it and focuses the light to be magnified by an eyepiece
![Reflecting Telescopes Uses a curved mirror to gather and focus light Focuses Reflecting Telescopes • Uses a curved mirror to gather and focus light • Focuses](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-7.jpg)
Reflecting Telescopes • Uses a curved mirror to gather and focus light • Focuses on all the colors of light • Gathers more light than refracting telescopes
![Very Large Reflecting Telescopes Several mirrors work together to collect light and focus Very Large Reflecting Telescopes • Several mirrors work together to collect light and focus](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-8.jpg)
Very Large Reflecting Telescopes • Several mirrors work together to collect light and focus it in the same area
![Optical Telescopes and the Atmosphere Air pollution water vapor and light pollution distort Optical Telescopes and the Atmosphere • Air pollution, water vapor, and light pollution distort](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-9.jpg)
Optical Telescopes and the Atmosphere • Air pollution, water vapor, and light pollution distort the images produced by optical telescopes. • Collects visible light and focuses it to a focal point for closer observation.
![Other Telescopes Hubble Space Telescope Does not travel to stars planets or Other Telescopes – Hubble Space Telescope • Does not travel to stars, planets, or](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-10.jpg)
Other Telescopes – Hubble Space Telescope • Does not travel to stars, planets, or galaxies • Whirls around Earth at about 17, 000 mph • About as long as a school bus • Has an unobstructed view of the universe • First major optical telescope to be placed in space
![The Electromagnetic Spectrum All of the frequencies or wavelengths of electromagnetic radiation The Electromagnetic Spectrum • All of the frequencies or wavelengths of electromagnetic radiation](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-11.jpg)
The Electromagnetic Spectrum • All of the frequencies or wavelengths of electromagnetic radiation
![Detecting Electromagnetic Radiation The Earths atmosphere blocks most invisible radiation from objects in Detecting Electromagnetic Radiation • The Earth’s atmosphere blocks most invisible radiation from objects in](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-12.jpg)
Detecting Electromagnetic Radiation • The Earth’s atmosphere blocks most invisible radiation from objects in space. • Each color of light is a different wavelength of electromagnetic radiation. • Radiation that can pass through the atmosphere includes some radio waves, microwaves, infrared light, visible light, and some ultraviolet light.
![Nonoptical Telescopes Detect radiation that cannot be seen by the human eye Nonoptical Telescopes • Detect radiation that cannot be seen by the human eye •](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-13.jpg)
Nonoptical Telescopes • Detect radiation that cannot be seen by the human eye • Observes things at several wavelengths
![Radio Telescopes Detect radio waves not light waves Much larger than optical Radio Telescopes • Detect radio waves, not light waves • Much larger than optical](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-14.jpg)
Radio Telescopes • Detect radio waves, not light waves • Much larger than optical telescopes
![Linking Radio Telescopes Produces detailed images of the universe When linked together Linking Radio Telescopes • Produces detailed images of the universe • When linked together,](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-15.jpg)
Linking Radio Telescopes • Produces detailed images of the universe • When linked together, they work like one giant telescope
![Nonoptical Telescopes in Space Placed in space because most electromagnetic waves are blocked Nonoptical Telescopes in Space • Placed in space because most electromagnetic waves are blocked](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-16.jpg)
Nonoptical Telescopes in Space • Placed in space because most electromagnetic waves are blocked by Earth’s atmosphere
![Turn in your textbook to page 563 In complete sentences answer • Turn in your textbook to page 563. • In complete sentences, answer](https://slidetodoc.com/presentation_image_h2/b89e1728646882635a2e74844db68681/image-17.jpg)
• Turn in your textbook to page 563. • In complete sentences, answer questions 1 and 2. • Write and answer in complete sentences questions 3, 4, 6, 9, 10, and 11.
Galaxys
How do telescopes work
Modern telescopes make it possible for astronomers
Star testing telescope
Light bucket telescope
All modern large optical telescopes are refractors.
Telescope history timeline
Computer controlled telescopes
Guidepost of light
A building that contains one or more telescopes
Significance of light
How do radio telescopes work
New moon telescopes
Chromatic aberration affects reflector telescopes.
System galaxy tech support
Galazy.einet
Hubble galaxy classification
Galaxy questions