'Supergiant stars' diaporamas de présentation

AMBER observations of Be Stars

AMBER observations of Be Stars. Anthony Meilland And Philippe Stee. Be Stars definition. Active hot Stars :. 8000K<Teff<40000k. Emission lines. Infrared Exces. Non Supergiant stars. Near main sequence. exclude Herbig Ae/Be (Young stars). exclude P Cygny (Supergiant stars).

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final exam!!!

final exam!!!. Today we will discuss Cosmology and the Big Bang Wednesday we will finish the Big Bang, have a short discussion of Life in the Universe, and review for the final exam Remember:. Cosmological Redshift. We now know 3 kinds of redshift Doppler shift due to motion

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Star Life Cycles

Star Life Cycles. We Classify Stars by Their Characteristics. ? All stars are huge balls of glowing gas that produce or have produced energy by fusion ? Stars differ in size , brightness , and temperature. We Classify Stars by Their Characteristics.

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Star Life Cycles

Star Life Cycles. We Classify Stars by Their Characteristics. ? All stars are huge balls of glowing gas that produce or have produced energy by fusion ? Stars differ in size , brightness , and temperature. We Classify Stars by Their Characteristics.

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A Universe of Stars

A Universe of Stars. The Strange and the Amazing. Nebulas. THE BIG DIPPER. The Sun. Contains 99.8% of all the mass in the Solar System 700 Million tons of hydrogen converted to helium every second Average surface temperature of 10,000 Fahrenheit. Our Closest Star. Mars.

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The Secret Life of Stars

The Secret Life of Stars. Marisa Hanson Renee Garrett Olivia Moran. Lives of Stars. A stars life begins with gas and dust in a nebula contract to form a protostar. Supergiants. When a star begins to run out of fuel, it expands to become a giant or supergiant. Explosive Stars.

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EVOLUTION OF STAR

EVOLUTION OF STAR. SUPATSORN KIRDRATANASAK NATTHACHA CHAICHANA NOPPAVIT WONGCHAROEN. HOW STARS ARE BORN. NEBULA. PROTOSTAR. Gravity causes the densest parts to collapse, forming regions called protostar.

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