Howard Astronomical League
description
Transcript of Howard Astronomical League
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Howard
Astronomical League
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All Astro-images by HAL Members!
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Image byPeter Friedman
Andromeda Galaxy
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Image byGene Handler
Lunar Eclipse
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Light Pollution
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Wasteful
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Harmful
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Ugly
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Billions in Wasted Energy
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All the light you see here is waste… energy spent
to light up space!
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Can’t Escape It
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Image byPeter Friedman
Lagoon Nebula
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Image byJoe Bohanon
Great Nebula in Orion
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Image byWayne Baggett
Triangulum Galaxy
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15Dark Sky
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16Dark Sky
Watch these4 stars!
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17Not-So-Dark Sky
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18Not-So-Dark Sky
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This is about as good asit gets in Howard County
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20Light Polluted Sky
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21Light Polluted Sky
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This is what the night sky looks like in most of
Columbia
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See what you’re missing?
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Image byGene Handler
Horsehead Nebula
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www.howardastro.org
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Image byDavid Illig
Galaxies in Leo
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Light Pollutionhurts the environment!
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Algal Blooms
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Insects Disoriented
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Food Chains
Disrupted
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31Animal Migrations Disturbed
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Image byPeter Nerbun
Clavius Crater
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Image byPeter Friedman
Omega Nebula
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Image byJames Willinghan
Mars
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35The Cause
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InsufficientlyShielded Light
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TotallyUnshielded Light
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Light going where it’s not needed
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Light shining in your eyes
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Light going inUnintended Directions
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Over-illumination
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Light Shining Upward
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43Light Trespass
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Do the neighbors ever sleep?
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Dangerous and Distracting
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Where’s the Stop Sign?
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Why?
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www.howardastro.org
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Image byJames Willinghan
Jupiter
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Image byJames Willinghan
Saturn
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51There Are Solutions!
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Light where you want it to go
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Light shining downward
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Replace streetlightswith Imbedded Lighting
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Light doing what you want it to do
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“Normal” Blackout
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Image byDavid Illig
Ring Nebula
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It doesn’t have to be this way!
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Image byEddie Crawford
Copernicus Crater
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Image byJames Willinghan
Full Moon