'Visible stars' diaporamas de présentation

Stellar Mass Mass is the one characteristic that determines everything about a star Temperature Color Brightness Size

Stellar Mass Mass is the one characteristic that determines everything about a star Temperature Color Brightness Size Length of its life End of its life White dwarf Neutron star Black hole.

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Big Questions

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Our Galaxy; Photo of portion of milky way

Our Galaxy; Photo of portion of milky way Chapter Twenty-Three Guiding Questions What is our Galaxy? How do astronomers know where we are located within it? What is the shape and size of our Galaxy? How do we know that our Galaxy has spiral arms?

842 views • 41 slides

Quasars, black holes and galaxy evolution

Quasars, black holes and galaxy evolution. 3C273. Clive Tadhunter University of Sheffield. Hubble galaxy classification. Late type?. Early type?. Seyfert Galaxies. Optical images. Optical spectra. Seyfert (1943). The discovery of the quasar 3C273. (Schmidt 1963). Optical image.

561 views • 36 slides

Stars and Star Patterns Revised by Tracy Sikes

Stars and Star Patterns Revised by Tracy Sikes. What is a star?. A star is a huge ball of very hot gases like hydrogen and helium. Our sun is the closest star to our planet. Stars give off light and heat energy. Facts about the sun:. The center of our solar system.

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CRCT Question

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Our Place in Our Galaxy

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The Milky Way Galaxy

The Milky Way Galaxy. sun. This is what our Galaxy would look like if we were looking at it from another galaxy. Examples of three Milky-Way like Galaxies. Roughly 100,000 light years across Roughly 100-400 billion stars Roughly 250 million years to rotate.

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Dark Matter

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