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The Bowl of Night

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The Bowl of Night . Mr. K., NASA/GRC/LTP. Edited: Ruth Petersen. . . . . . . . . . . . . . . . . . . . Day 1: What We See From Home. Sun Pillar. . Sun - SOHO. Sun Seen in Soft X-Rays. Sun - STS 82. Stars - Other Suns!. 1. Star Colors. A Star Thermometer.

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Presentation Transcript
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The Bowl of Night

Mr. K., NASA/GRC/LTP

Edited: Ruth Petersen

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Day 1: What We See From Home

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Stars - Other Suns!

1. Star Colors

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A Star Thermometer

Hotter: 7500 K

Sun: 5500 K

Cooler: 4000 K

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Betelgeuse

Rigel

Orion - the Hunter

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Star Brightness:

Which do You Think is Brighter?

A

1

Earth

B

A

2

B

Earth

A

3

Earth

B

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Tycho

The Moon - Our Satellite

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Quarter

Gibbous

Crescent

7

Full

New

14

Old Crescent

21

Old Gibbous

Old Quarter

The Moon

Sun

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How Things Move:

The MOON

Day 7

Day 5

Day 1

Day 3

West

East

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The Bowl of Night

Mr. K., NASA/GRC/LTP

Edited: Ruth Petersen

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Day 2: The Solar System

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Rocky Matter

(Source of craters)

Debris

Icy Matter (Source of comets)

Formation of the Solar System

It began with aNebular Gas Cloud

From which developedProto-Sun & Planets

From which came theSun, Planets, & Debris

Which finally cleared out to leave just theSun & Planets (and their moons, etc.)

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Rocky Matter ...

What do you see happening here?

What do you think that the end result will be?

Can we see evidence of this kind of bombardment today?

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Gibraltar

Australia

Antarctica

Mississippi

Mt. Etna

Earth as Seen from Space

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Mars

Olympus Mons

Mariner’s Valley

Tarsus

Tarsus & Mariner’s Valley

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The Bowl of Night

Mr. K., NASA/GRC/LTP

Edited: Ruth Petersen

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Day 3: The Universe

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Rocky Matter

(Source of craters)

Debris

Icy Matter (Source of comets)

Formation of the Solar System

It began with aNebular Gas Cloud

From which developedProto-Sun & Planets

From which came theSun, Planets, & Debris

Which finally cleared out to leave just theSun & Planets (and their moons, etc.)

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Icy Matter ...

Jan Oort’s Cometary Cloud

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Stars

Gas

Dust

And more stars...

Our Galaxy

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RotationalAxis

Milky Way: Center - COBE

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M15, Globular Cluster

M100 - HST

M83 Spiral

M51, The Whirlpool

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M1, The Crab

Orion Nebula - HST

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