'Planetary nebula' presentation slideshows

Stellar Evolution: Evolution off the Main Sequence

Stellar Evolution: Evolution off the Main Sequence. Main Sequence Lifetimes Most massive (O and B stars): millions of years Stars like the Sun (G stars): billions of years Low mass stars (K and M stars): a trillion years!.

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Age of M13: 14 billion years. Mass of stars leaving the main-sequence ~0.8 solar masses

Age of M13: 14 billion years. Mass of stars leaving the main-sequence ~0.8 solar masses. Helium core-burning stars. Giants. Sub-giants. Main Sequence. Here is a way to think about it. Outside of star. Plenty of hydrogen. Shrinking core.

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March 26, 2014

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Planetary Nebula Abell 21 Medusa Nebula

Planetary Nebula Abell 21 Medusa Nebula

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Stellar Evolution

Stellar Evolution. Astrophysics Lesson 12. Learning Objectives. To know:- How stars form from clouds of dust and gas. How main sequence stars evolve as they run out of hydrogen. How this evolution appears on the HR diagram. Homework.

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Late Effects of Radiation Dr. Sandra Vermeulen, M.D. Swedish Cancer Institute Northwest Hospital Gamma Knife Center Seat

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Examples of Planetary Nebula

Examples of Planetary Nebula. All images have been obtained from the Astronomy Picture of the Day website. Note the central White Dwarf stellar remnant in each image. Note that some PN are spherically symmetric and some display bipolar symmetry. Abell 39 Planetary Nebula.

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T-CAP REVEIW

T-CAP REVEIW. By : Makayla Mayfield. Inquiry. Scientific Investigation 1. Identify a testable question~ a testable question is one that can be answered by preforming an investigation.

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Life of a Star by Stacia Deutsch and Rhody Cohon

Life of a Star by Stacia Deutsch and Rhody Cohon. Introduction. Over time Astronomers invented new tools. Then they finally, they discover how stars fade from the sky using tools they invented. Birth of a Star . Scientists divide stars into different groups called spectral classes.

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The Life and Death of a Star

The Life and Death of a Star. Birth of Low and Medium Mass Stars. Nebula Large cloud of gas and dust. . Protostar When the cloud of gas and dust contract together to form a body which begins to resemble a star. . Main S equence S tar

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By Roz Wilhelm And Laura Okerblom

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Nebulas

Nebulas. By: John M. What is a Nebula. Cloud of gas and dust in outer space V isible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter. Different Types of Nebulas . Supernova Remnant Emission Nebula Planetary Nebula

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Star Life Cycle

Star Life Cycle . Generally speaking, there are two main life cycles for stars . The factor which determines the life cycle of the star is its mass . 1 solar mass = size of our Sun

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Stars

Stars . Stars. What are Stars? Stars are large balls of hot gas. They look small because they are a long way away, but in fact many are bigger and brighter than the Sun. The heat of the star is made in the center by nuclear fusion reactions.

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Star-forming region, the Eagle Nebula, M16

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Stars are a Mystery

Stars are a Mystery . By Avery Zeinstra What are stars, why can we see them?. What are Stars?. Stars are big exploding balls made of the 2 lightest gases, 73% hydrogen and 25% helium. A star is formed when hydrogen and helium collapse in space.

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3. 4. 2. 1. 7. 8. 6. 5. 10. 9. Supernova : The explosive death of a massive star that causes a shell of gas to expand rapidly and glow Stellar Nursery : A large cloud of gas and dust that gives birth to stars. Also called a stellar nebula.

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Introduction

Planetary Nebulae & Carbon Star (Death Star) Chicago Vocational Career Academy Marlon Brown, Jackyln Olvera, Jonathan Richardson, Leshea Simmons Made possible by the NASA CAPSTONE program and the University of Chicago. Smurf nebula. Introduction. Method. Carbon star.

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