Astronomy ?

INTRODUCTION TO ASTRONOMY

Literally: aster = star + nomie = naming

Greek words for “star law”(Astrology was already taken)

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

Ever wonder

How can this ? hydrogen

Turn into thisand into this…

An

d t

hen

in

to

this

…..

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.

Astronomy - the branch of science that deals with celestial objects, space, and the

physical universe as a whole.

celestial-beyond the earth's atmosphere

Universe: The space which contains all of the matter and energy in existence.

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

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.

Astro

log

ists

make

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ual

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,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

Astrophysics - the physics of the universe(Astrophysicist ? $51,670 to $170,230 )

Astrobiology – studies the advent and evolution of biological systems in the universe. (astrobiologist? $55,760 to $83,640)

AstrobiologistAstrobiologyAstrologistAstrology

AstronomerAstronomy

AstrophysicistAstrophysics

CelestialUniverse

Words to know, you must!

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

AlienPredator

Planet of the Apes 1968The Thing 1982

Night of the Living Dead (original)Space Balls

Close Encounters of the Third KindEnemy Mine

StarmanET

These people didn’t need to

finish college…. will you ?