Types of Stars Part 2 Tikhonov Dmitry AS-46i Double Star Consists - PowerPoint PPT Presentation

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Types of Stars Part 2 Tikhonov Dmitry AS-46i Double Star Consists of 2 stars that rotate their common center of mass. Black Hole They have very high density and even light cant escape. Their mass cane be equal 1 billion of solar

Types of Stars Part 2 Tikhonov Dmitry AS-46i
Double Star Consists of 2 stars that rotate their common center of mass.
Black Hole They have very high density and even light can’t escape. Their mass cane be equal 1 billion of solar masses and at the same time it’s radius will be few kilometers.
Quasar Consists of a supermassive black hole surrounded by an orbiting accretion disk of gas. It is the most powerful objects in the Universe.
Spectral Classification of f Stars Most stars are currently classified under the Morgan – Keenan (MK) system using the letters O , B , A , F , G , K , and M , a sequence from the hottest ( O type) to the coolest ( M type). Each letter class is then subdivided using a numeric digit with 0 being hottest and 9 being coolest (e.g. A8, A9, F0, F1 form a sequence from hotter to cooler).
Spectral Classification of f Stars

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