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Stars

Published on Nov 20, 2015

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PRESENTATION OUTLINE

PLASMA

STARS
Photo by Zach Dischner

"A star is a massive, luminous sphere of plasma held together by its own gravity."

Photo by write_adam

THE SUN

  • Nearest star to Earth
  • Main source of planet's energy
  • 1.989E30 kg

HOW ARE THEY FORMED?

  • Within dust clouds
  • Scattered throughtout most glalaxies

Astronauts determine properties by stars' motion through space

Photo by wwarby

CONSTELLATIONS

MOST VISIBLE STARS SEEN AT NIGHT