'White dwarf star' presentation slideshows

Life story of a star

Life story of a star. Micro-world Macro-world Lecture 20. Life Cycle of Stars. Recycling Supernovae produce - heavy elements neutron stars black holes Martin Rees - Our Cosmic Habitat. Our favorite star: The Sun. R ? = 696,000 km (109 x R earth ) M= 2x10 30 kg

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Part 2: Stars

Part 2: Stars. Monday, February 10 Reading: Chapter 6 [Ed. 9, 10, 11, 12] The nature of light: How we use spectra to measure the properties of stars Wednesday, February 12 Reading: Chapters 8, 9.1, 9.5 or Orion Nebula Stars: distance, luminosity, mass, composition. Star formation.

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Chapter 19 The Stars Distances to stars are measured using parallax .

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The Star Life Cycle

The Star Life Cycle. Integrated Science. What is a star?. A mass of gas and plasma that is held together by its own gravity and uses chemical reactions to make its own light. . Where do stars come from?. Stars form from Nebulas. Nebula A cloud of dust, hydrogen, helium, and plasma.

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Types of Stars

Types of Stars. Size of the Star Determines its Fate. Gas Nebula. A gas nebula is a cloud of gas or dust, and is considered to be the birthplace of a new star . Protostar.

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George Observatory The Colorful Night Sky

George Observatory The Colorful Night Sky. A Stars Lifespan depends on its Mass. Massive Stars live shorter lives. Low mass stars live longest. 1.Gravity contracts the Hydrogen gas 2. Gas Spins 3. Gas Heats 4. Protostar Stage 5. Fusion begins in the clouds core

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The Death of Stars

The Death of Stars. Stellar Recycling. Topics. Low Mass Stars Red Giants Planetary Nebulae White Dwarfs Novae High Mass Stars Red Super Giants Supernovae Neutron Stars Summary. Low Mass Stars. Red Giants

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EARTH & SPACE SCIENCE

EARTH & SPACE SCIENCE. Chapter 30 Stars, Galaxies, and the Universe 30.2 Stellar Evolution. 30.2 Stellar Evolution Objectives. Describe how a protostar becomes a star. Explain how a main-sequence star generates energy. Describe the evolution of a star after its main-sequence stage.

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Announcements

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Stars and Galaxies

Stars and Galaxies. The closest star to us. The sun. A cluster of stars . A galaxy is a cluster of stars together. The universe. The universe is everything in space. The different types of universes. Stars make up galaxies which make up the universe. The different types of galaxies.

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Harry Kroto 2004

Harry Kroto 2004. Low Mass Stars If a Star has a mass of less then 4 stellar masses, then the Star will become a Red Giant when it has used most of its Hydrogen in the process of nuclear fusion. This Red Giant will lose its mass by gently ejecting its outer layers to form a Planetary Nebula.

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The Deaths of Stars

The Deaths of Stars. What happens to stars when the helium runs out? do they simply fade into oblivion? NO! stellar deaths produce some of the most spectacular phenomena in the universe and also play a vital role in enriching with heavy elements the material of which new stars are made .

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Star Life Cycle

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Dusty old star offers window to our future --- GD 362

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Sirius B

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Neutron Stars

Neutron Stars. By: Matthew Buza. Star Power. Importance of Stars and their role in the universe. Overview of all stars, and basic characteristics. Stellar Evolution: Start ? finish Path to a Neutron Star. Further work being done. Stars?. Star Characteristics are given by: Luminosity

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LIFE CYCLE OF STARS

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