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An Evening in Space!!

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What is Astronomy?

Astronomy is the study of anything we

see in the sky, and beyond..

Overlaps with physics, chemistry,

geology, and other sciences

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History

Early Astronomy comprised of observations

and predictions of the motions of objects

visible to the naked eye..

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With the Scientific Revolution..

Astronomers such as Copernicus,

Galileo and Kepler changed the way

people thought..

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Modern Astronomy

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Whathave you Observed?

An incomplete list:

Moon

Planets (Venus, Mercury, Mars, Jupiter, Saturn) Stars

Meteors (shooting stars)

Comets

Artificial Satellites

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Some important terms..

The Universe

Galaxy Milky Way

Nebulae

Stars

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Astronomical Measurement Units..

We talk here in Billions and Trillions of

Kms

LY = Light Years

AU (Astronomical Unit)

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Solar System Objects and

Phenomena The Sun

Eclipses

Planets & Moons

Asteroids

Comets

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Neighborhood Tour - Our Solar

System

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The Solar System

Condensed from Solar nebula about

five billion years ago

Contains Sun, planets, asteroids,

comets, and dust

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Terrestrial verses Jovian Planets

Terrestrial Planets Include:

Mercury, Venus, Earth and Mars

Jovian Planets Include:

Jupiter, Saturn, Uranus & Neptune

Also Interesting: Jovian moons

Not sure what to do with them:

Pluto/Charon

Xena

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A Simple Mnemonic

My Very Exciting Magic Carpet Just

Sailed Under Nine Palace Elephants

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Sol (our sun)

SOHO/Extreme Ultraviolet Imaging Telescope (EIT) consortium

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The Solar System

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Terrestrial Planets

Small and rocky, composed of Oxygen, Silicon, Aluminum,Calcium, Iron, and Magnesium

1. Mercury2. Venus

3. Earth

4. Mars

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MercuryMercury has

a lunar-like

geology.

Caloris Basin

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Venus

Venus

surface

has onlybeen

revealed

in thepast 10

years.

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Venus

Venus has a

young, basaltic

surface.Venus has several

times as many

volcanoes as

Earth.

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You Probably Know This One

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Mars

Mars has

the most

Earth-likegeology.

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Mars

Mars has a thin

atmosphere of

CO2.

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Mars

Familiar geologic

features/processes

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Mars

Familiar geologic

features/processes

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Mars

Mars geologic

history was

once warmerand wetter than

now.

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The Real Face of Mars

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Mars from Pathfinder

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Olympus Mons

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Mars Polar Caps

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Jovian Planets

Large, gaseous, composed mainly of hydrogen and helium

1. Jupiter

2. Saturn

3. Uranus

4. Neptune

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Jupiter

Jupiters geologic

features are all

atmospheric.

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Moons of Jupiter

Io is the most active

body in the Solar

System.

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Moons of JupiterGanymede and

Callisto are two of

the larger bodies in

the Solar System.

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Saturn

Saturn is the

furthest out of

the historical

planets.

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Saturns moons

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Uranus & moons

Uranus orbits the

Sun on its side.

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Neptune & moons

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Pluto & Charon

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Other Dwarf Planets..

Haumea

Makemake

Eris

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What we will see

The Beautiful Moon!!

Jupiter

Clusters and hopefully a Nebula..

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