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YELLOW DWARFS Color: Appear yellow Gases Burned: Fuse H, He to generate into light Size : Small  80-100% mass of the sun Surface Temperature: 5300-6000.

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Presentation on theme: "YELLOW DWARFS Color: Appear yellow Gases Burned: Fuse H, He to generate into light Size : Small  80-100% mass of the sun Surface Temperature: 5300-6000."— Presentation transcript:

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2 YELLOW DWARFS Color: Appear yellow Gases Burned: Fuse H, He to generate into light Size : Small  % mass of the sun Surface Temperature: K Area: Main sequence stars Death/Next Stage: Expand into a red giant Lifetime: Generally will last for 10 billion years

3 OUR SUN IS A YELLOW DWARF

4 RED DWARF Color: Appears red Gases Burned: H used to the last drop Size : Small  7.5% - 100% size of the sun Surface Temperature: Cool, under 4,000K Area: Main sequence stars Death/Next Stage: Fade to brown stars Lifetime: Generally will last for 10 trillion years

5 RED DWARF

6 RED GIANT Color: Appears orange Gases Burned: 1 st H, then after swell uses heavier elements Size : 100 times bigger then original Surface Temperature: Becomes cooler, under 6500 K Area: Evolve from main sequence stars Death/Next Stage: Collapse to white dwarf after fuel is gone Lifetime: Generally will last for hundreds of billions of years

7 RED GIANT

8 BLUE GIANT Color: Appears blue Gases Burned: He Size : Huge Surface Temperature: Hot, 20,000 K Area: Post main sequence stars Death/Next Stage: Expand and cool to red giants or expand into supergiants Lifetime: Short, tens or hundreds of million years

9 BLUE GIANT

10 SUPERGIANT Color: Red or Blue Gases Burned: Carbon Size : Largest known Suns Surface Temperature: Red K, Blue 20, ,000 Area: Post Main Sequence Death/Next Stage: Supernova to a black hole Lifetime: Short, 30 million- few thousand years

11 SUPERGIANT

12 WHITE DWARF Color: Appears white Gases Burned: He Size : Small, 60% of original mass into size of the Earth Surface Temperature: Hot, but will slowly cool down Area: Post Red Giant Death/Next Stage: Cold dark black dwarf Lifetime: Long, Age of the Universe

13 WHITE DWARF

14 BROWN DWARF Color: Can’t visibly see Gases Burned: No gases Size : small,.07 solar masses Surface Temperature: Cool Area: Unknown Death/Next Stage: Unknown Lifetime: Unknown

15 BROWN DWARF

16 NEUTRON STAR Color: Appears white Gases Burned: Stellar remnant, neutrons, small amount of H Size : Small, 5-10 miles Surface Temperature: Extremely hot, 1 million degrees but surface cools Area: Post stars Death/Next Stage: Dissolves, slowly stops spinning Lifetime: 10 billion years

17 NEUTRON STARS

18 Star TypeLuminosity Yellow Dwarf 1 solar unit (as bright as the sun) Red Dwarf solar units (.01) Red/Blue Giants 10 2 solar units (100) Red/Blue Supergiants 10 5 solar units (10,000) Neutron Star solar units (.1) White Dwarf solar units (.01) Brown Dwarf Below solar units (.0001)


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