'Average star' diaporamas de présentation

Part 3: Galaxies and the Universe

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The Life Cycle of Stars

The Life Cycle of Stars. From birth, to death , to live, once again. Life Cycle. Very Small Sized Star. Nebula Protostar Brown dwarf. Life Cycle. Eagle Nebula. Protostar. Brown dwarf. Small Sized Star. Nebula Protostar Red Dwarf White Dwarf. Life Cycle. Omega Nebula. Protostar.

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Distances of the Stars

Distances of the Stars. Scientists use parallax to determine how far away a star is from Earth. Parallax is an apparent change in the position of an object caused by the change in the position of an observer. Light Year. Used by scientists to express the distances between the stars

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The Expanding Universe

The Expanding Universe. Tuesday, January 15. Thomas Digges (16 th century) proposed an infinite universe. Infinite universe: hard to reconcile with appearance of the night sky. Night sky is dark , with stars (small in angular size) scattered across it.

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THE SUN

THE SUN. The star we see by day. Goals. Summarize the overall properties of the Sun. What are the different parts of the Sun? Where does the light we see come from? The scientific method: solar neutrinos. The Sun, Our Star. The Sun is an average star.

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Cosmology, Galaxies, and Stars

Cosmology, Galaxies, and Stars. Our Visible universe. Cosmology . Cosmology is the study of the universe; its nature, origin and evolution.

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Stars & our Sun

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Where are Stars Formed?

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Characteristics of Stars TLC Sun Video 14.10 Unitedstreaming Sun Video and Quiz/MC

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Chapter 30.1: Characteristics of Stars

Chapter 30.1: Characteristics of Stars . Characteristics of Stars. A star is a _________________________ ___________________________________. Size varies Color varies__________________. Our sun is an average star. Composition. Star composition observed through a spectrometer

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