astronomİ ve uzay bİlİmİ astronomy and space science astrophysics
TRANSCRIPT
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ASTRONOMİ VE UZAY BİLİMİ
Astronomy and Space Science
Astrophysics
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GalaxyA galaxy is a massive,
gravitationally bound system consisting of stars, stellar remnants, an interstellar
medium of gas and dust, and an important but poorly understood component
called dark matter.
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The Milky Way GalaxyThe Milky Way galaxy is a spiral galaxy consisting of
over 400 billion stars, plus gas and dust arranged
into three general components as shown to the
left: The halo - a roughly spherical distribution which contains the oldest stars in
the Galaxy, The nuclear bulge and
Galactic Center. The disk, which contains the
majority of the stars, including the sun, and
virtually all of the gas and dust
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ACCRETION: This is the growth of a massive object by gravitationally attracting more matter, typically gaseous matter in an accretion disc. This is also a phenomena that resulted in the formation of many of the moons orbiting the planets in our solar system.
MOON: All moons have one thing in common – They are all “natural satellites held in position by gravity”
Definitions and Terms
GALAXY: A galaxy is a massive, gravitationally bound system consisting of stars, stellar remnants, an interstellar medium of gas and dust, and an important but poorly understood component called dark matter.
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Communication on Earth using Satellites
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Communication on Earth using Satellites
• Audio
• Radio-waves
• “Line-of-Sight”
• Signal bouncing and bending
• Satellites
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Communication on Earth using Satellites
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Communication on Earth using Satellites
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Communication on Earth using Satellites
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Asteroid 2012-DA14
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Asteroid 2012-DA14
0001-120326asteroid_2012_DA14-90.mp3
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Asteroid 2012-DA14
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Asteroid 2012-DA14
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Asteroid 2012-DA14
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Asteroid 2012-DA14
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Asteroid 2012-DA14
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Asteroid 2012-DA14
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