what is a planetary nebula quizlet | compared to the star it evolved from a white dwarf is

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what is a planetary nebula quizlet*******Planetary Nebula. A shell of gas from stars like our sun, at the end of their lifetime, there is no materials and they need to form a new star. main sequence to red star. The star increases in size because as the core shrinks the outer layer expands, as it expands the .Test your knowledge of astronomy topics with this set of flashcards created by jess0519. Find the definition and examples of planetary nebula, helium flash, horizontal branch, .compared to the star it evolved from a white dwarf is NGC 6881 is a planetary nebula, located in the constellation of Cygnus. It is formed of an inner nebula, estimated to be about one fifth of a light-year across, and .what is a planetary nebula quizletTest your knowledge of planetary nebula and other astronomy topics with this set of flashcards. Find the definition, formation, and examples of planetary nebula, as well as .A set of flashcards for descriptive astronomy students to review the topics of stellar evolution, supernovae, black holes, and more. One of the cards defines a planetary .Test your knowledge of the evolutionary stages of a star like the Sun, including the planetary nebula. Find definitions, examples and multiple choice questions on this .What is a nebula. Click the card to flip 👆. Is a interstellar cloud of 90% hydrogen, 10% helium , and trace amounts of heavier elements. Nebula are the basic building blocks of our .Learn about different types of nebulae, stellar clusters, galaxies and more with this set of flashcards. Find out what a planetary nebula is and how it differs from other nebulae.

Typically, planetary nebulae are a few tenths of a light-year in radius. If this distance is divided by the expansion speed, the age of the nebula since ejection is obtained. Values range up to roughly 30,000 years, .

Planetary nebulae come in a variety of shapes and sizes, with some appearing as round or elliptical structures, while others have more intricate and complex .Study with Quizlet and memorize flashcards containing terms like What is a planetary nebula? a) the expanding shell of gas that is no longer gravitationally held to the remnant of a low-mass star b) the expanding shell of gas that is left when a white dwarf explodes as a supernova c) the molecular cloud from which protostars form d) what is left of the .

A planetary nebula is the stretched outer atmosphere of a big star as it drifts away, illuminated by ultraviolet light from the hot star collapsing within the nebula. This is a stage experienced by low-mass stars.

Terms in this set (14) neutron star. The small dense remains of a high mass star after a supernova. nebula. A large cloud of gas and dust in space. black hole. the remaining core of the most massive super giant that has exploded the gravity in the core is so strong that even light can not escape from it. white dwarf.Terms in this set (14) A planetary nebula. is the ejected envelope of a low to intermediate mass star. What is at the center of a planetary nebula? - the core of the dying star. - something that will eventually become a white dwarf. Why are novae much more common than supernovae?Study with Quizlet and memorize flashcards containing terms like 1- What is a planetary nebula?, 2- What was the material from which the solar system formed?, the most common elements in the universe are and more.

A planetary nebula is a glowing shell of gas that was once the outer layers of a star. The gas glows because the hot core's ultraviolet light ionizes the gas. The core, now exposed, will cool with time and become a white dwarf.Study with Quizlet and memorize flashcards containing terms like What is a T-Tauri star? a) a collapsing cloud of gas about to become a protostar b) a dying star c) a cool main sequence star d) a star releasing a planetary nebula e) a protostar about to become a star, A star like our Sun will spend most of its "shining" lifetime a) as a protostar. b) as a red .Study with Quizlet and memorize flashcards containing terms like From what do stars form? globular clusters open clusters black holes planetary nebulas interstellar clouds, What is a "planetary nebula"? It is the disk of gas around a young star. It is the cloud from which protostars form. It is a shell of gas ejected from a star late in its life.what is a planetary nebula quizlet compared to the star it evolved from a white dwarf isStudy with Quizlet and memorize flashcards containing terms like The Oot Cloud is believed to be A. the circular disk of gas around the Sun's equator from which the planets formed B. a grouping of asteroids and meteoroids between the orbits of Mars and Jupiter C. a flattened belt of cometary nuclei just beyond the orbit of Neptune D. a spherical cloud .

Study with Quizlet and memorize flashcards containing terms like What is a planetary nebula?, What was the material from which the solar system formed, Where was all the hydrogen in the universe formed and more.Click the card to flip 👆. -Outer layers of the star that are thrown off. --A left-over core at 100,000K. -What type of radiation will be emitted by the core? ultraviolet / high radiation. -What does this mean for the gas surrounding the white dwarf? hotter thin gas, emits light why we have a--->. --This is why we see the planetary nebula.

Study with Quizlet and memorize flashcards containing terms like What is a planetary nebula?, what happens to the core of a star after a planetary nebula occurs?, which of the following sequences correctly describes the stages of life for a low-mass star? and more.

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what is a planetary nebula quizlet|compared to the star it evolved from a white dwarf is