Astronomy ? INTRODUCTION TO ASTRONOMY Literally: aster = star + nomie = naming Greek words for...
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Transcript of Astronomy ? INTRODUCTION TO ASTRONOMY Literally: aster = star + nomie = naming Greek words for...
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Astronomy ?
INTRODUCTION TO ASTRONOMY
Literally: aster = star + nomie = naming
Greek words for “star law”(Astrology was already taken)
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What are you expected to knowMeasurements used in
astronomySignificant figuresScientific notation
Dimensional analysisvocabulary used in
astronomyLots of them
History of astronomyAncient astronomyModern astronomy
Formation and Structure of the universe
Earth and MoonSolar system
ConstellationsGalaxies
Discovery of the night sky
GravityLight and telescopesClassifying celestial
bodiesExploration
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Ever wonder
How can this ? hydrogen
Turn into thisand into this…
An
d t
hen
in
to
this
…..
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A promise and a warningThe promise:– You will learn a lot.
The warning:– Each lecture builds on material from earlier
lectures, so it’s easy to fall behind and hard to catch up again.
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Astronomy - the branch of science that deals with celestial objects, space, and the
physical universe as a whole.
celestial-beyond the earth's atmosphere
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Universe: The space which contains all of the matter and energy in existence.
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WTD? Astronomy vs. Astrology Astronomy was once just a part of Astrology
They both involve making observations of the sky. That is all the two have in common.
Astronomy is a “true” science; Astrology is not.
Astronomy Astrology
vs
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Astronomers who just finished a PhD will make 35,000$to 55,000$ their
first 5 or so years doing postdoctoral
research appointments
Astronomer-scientist who studies celestial bodies
Astronomers who make the most have published
works.(books, video..)
This guy made “millions and millions”
Carl Sagan R.I.P.
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Astro
log
ists
make
an
avera
ge a
nn
ual
sala
ry o
f 42
,00
0 $
Susan Miller
This woman makes so much $$ you can’t even find out how much online……
Astrology is NOT a “true” Sciencebut you can make real money from it
astrologist - someone who predicts the future by
the positions of the planets and sun and Moon
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Astrophysics - the physics of the universe(Astrophysicist ? $51,670 to $170,230 )
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Astrobiology – studies the advent and evolution of biological systems in the universe. (astrobiologist? $55,760 to $83,640)
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AstrobiologistAstrobiologyAstrologistAstrology
AstronomerAstronomy
AstrophysicistAstrophysics
CelestialUniverse
Words to know, you must!
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LBS top 11 Movies that involve extra-terrestrial
activities
*Honorable mention, numerous episodes of the Twilight Zone
#11
#10 #9#8#7
#6
#5#4#3
#2
#1
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AlienPredator
Planet of the Apes 1968The Thing 1982
Night of the Living Dead (original)Space Balls
Close Encounters of the Third KindEnemy Mine
StarmanET
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These people didn’t need to
finish college…. will you ?