'Distance light travels' diaporamas de présentation

Light, Reflection, & Mirrors

Light, Reflection, & Mirrors. AP Physics B.

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Reminders

Reminders. http://astro.ucsc.edu/~neil/ay4_s08 Has all the class info. Lectures, homework, sections times/places, office hours and contact info. Note: by far the best way to contact Professor Brodie is via brodie@ucolick.org Quiz 1: Thursday, April 10th

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Reminders

Reminders. http://astro. ucsc.edu/~stephano /ay4 Has all the class info. Lectures, homework, sections times/places, office hours and contact info. Note: by far the best way to contact me is via brodie@ucolick.org

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Light has been studied for thousands of years.

27.1 Early Concepts of Light. Light has been studied for thousands of years. Some ancient Greek philosophers thought that light consists of tiny particles, which enter the eye to create the sensation of vision.

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Tools We Will Need on our Journey through the Universe

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The Light Year

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Absolute Magnitude

Absolute Magnitude. The actual brightness of a star. Apparent Magnitude. How bright a star appears to be in the night sky. Asteroid. A large space rock that orbits the sun. Axis. The imaginary line that passes through the center of the North and South poles. The Earth rotates on its axis.

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Our Universe

Our Universe. Lessons 1-2. Our Universe. Lesson 1: Light and the Universe. Lesson Objectives. Our Universe. Planets. Stars. Solar Systems. Galaxies. Waves. Waves are a transfer of energy from one point to the next.

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What is Astronomy?

What is Astronomy?. A Study Of:. Astronomy. What are some reasons for people, as a whole, to study Astronomy? What are some reasons for you, personally, to study Astronomy?. What is Astronomy?. A Search For:. Astronomical Scale.

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Exponents

Exponents. Location of Exponent. An exponent is a little number high and to the right of a regular or base number. Exponent. 3. 4. Base. Definition of Exponent. An exponent tells how many times a number is multiplied by itself. Exponent. 3. 4. Base. What an Exponent Represents.

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Pre-test on THE UNIVERSE

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The Universe and Galaxies

The Universe and Galaxies. Glencoe Ch.26 Sec. 3: pages 831-835. I. What is the universe?. universe - sum of all matter and energy that ever has, does, and ever will exist everything physical that exists in space and time

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Welcome to Astronomy! Introduction to the Universe Astro 1105/1107 Prof. Julia Kregenow

Welcome to Astronomy! Introduction to the Universe Astro 1105/1107 Prof. Julia Kregenow. Star. A large, glowing ball of gas that generates heat and light through nuclear fusion. Galaxy. A great island of stars in space, all held together by gravity and orbiting a common center.

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Astronomical Distances

Astronomical Distances. Stars that seem to be close may actually be very far away from each other. The universe is immense in size Astronomers use units and methods of measuring that we are not used to on Earth. Parallax is used to measure the distance to nearby stars

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PH 103

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Astronomy

Astronomy. Astronomy. What is Astronomy?. 1. Astronomy is the study of the universe. This includes planets, stars, galaxies, black holes, moons, meteors, comets, asteroids and all of the matter that exists in space. 2. Astronomers are people who observe and study space. Modern Calendar.

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Astronomy Chapter 1

Astronomy Chapter 1. Astronomy Basics. There have been two periods in history where the understanding of the universe has been revolutionized in a single lifetime. Galileo. Tycho Brahe, Johannes Kepler, Isaac Newton. Today. Sputnik to Cassini.

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Star found 13 billion light-years away

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Speed of Light Questions

Speed of Light Questions. Physics Light Unit. Numero 1. The sun is about 150 million kilometers from earth. How long does it take light from the sun to reach earth? (The speed of light is 3x10 8 m/s.). Question 2.

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