'Black dwarf ' diaporamas de présentation

Homework #10

Homework #10. Cosmic distance ladder III: Use formula and descriptions given in question text Q7: Luminosity, temperature and area of a star are related by the Stefan-Boltzmann-Law: L = b A T 4 , so use scaling arguments to figure out L from R,T and R from L,T. Homework #10.

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The Sun

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Stars

Stars. What is a star?. The objects that heat and light the planets in a system A star is a ball of plasma held together by its own gravity Nuclear reactions occur in stars (H ? He) Energy from the nuclear reactions is released as electromagnetic radiation. Characteristics of Stars.

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Stars

Stars What is a star? The objects that heat and light the planets in a system A star is a ball of plasma held together by its own gravity Nuclear reactions occur in stars (H ? He) Energy from the nuclear reactions is released as electromagnetic radiation Characteristics of Stars DISTANCE

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Stars

Stars. What is a star?. The objects that heat and light the planets in a system A star is a ball of plasma held together by its own gravity Nuclear reactions occur in stars (H ? He) Energy from the nuclear reactions is released as electromagnetic radiation. Characteristics of Stars.

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Lifecycle of a Star

Picture: http://upload.wikimedia.org/wikipedia/commons/4/4e/Pleiades_large.jpg. Lifecycle of a Star. The Pleiades Star Cluster. Low and High Mass Stars By Zairamink. Low Mass Stars. Picture: http://en.wikipedia.org/wiki/File:Orion_Nebula_-_Hubble_2006_mosaic_18000.jpg Orion Nebula.

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Life Cycle of a Star

Life Cycle of a Star. By: Shawn and James. Nebula. A Nebula is an Interstellar cloud of dust. It is usually made of Hydrogen gas and Plasma. http://upload.wikimedia.org/wikipedia/commons/7/74/Triangulum.nebula.full.jpg. Protostar.

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Birth , Life and Death of a Star

Birth , Life and Death of a Star. Learning Objective: To learn about the life cycle of a star. Learning Outcomes: All: Will be able to correctly name (C) and simply describe (B)the phases in a life cycle of a star.

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Sun and other Stars

Sun and other Stars. By: Kennedy Howard Presley Wilson Tyra Gilbert. What is the sun?.

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III. Lives of Stars

III. Lives of Stars. A. Studying the Lives of Stars. Not really alive Cannot watch a single star for billions of years so they observe many stars and see how they differ from one another. B. A Star is Born. Nebula- large amount of gas and dust spread out in an immense volume

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Life Cycle of a Star

Life Cycle of a Star. black hole main sequence nebula neutron star red giant. super giant black dwarf supernova protostar white dwarf.

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STARS

STARS. BY : HIPPO GIRL AND ASHES. COLORS. STARS HAVE MANY COLORS BLUE WHITE YELLOW BLUE WHITE RED Orange Yellowish white Orangish yellowish Orangish white. SIZES. BLUE WHITE SUPER NOVA YELLOW DWARF RED GIANT BLUE GIANt Black dwarf White dwarf. CONSTELLATIONS.

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Structure of the Universe

Structure of the Universe. Galaxies. A galaxy is the basic structural unit of matter in the universe.

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Feb 21 Agenda

Feb 21 Agenda. Learning Target: I can explain the different types of star clusters and how different sized stars end their lives. Kick off: What is a T- tauri star? Vocabulary: 1. black dwarf 2. helium fusion pg. 495 3. helium Flash pg. 496 Star clusters and end of star life notes

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