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Composition of Stars Solar System Astronomy c90 Y/O Trade Ad Card For Sale


Composition of Stars Solar System Astronomy  c90 Y/O Trade Ad Card



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Composition of Stars Solar System Astronomy c90 Y/O Trade Ad Card:
$4


Composition of Stars Solar System Astronomy c90 Y/O Trade Ad Card


NOTE: THESE ARE NOT POSTCARDS THEY ARE TRADE/ADVERTISING CARDS. THEY ARE MUCH SMALLER THAN A STANDARD POSTCARD AND THERE IS ADVERTISING TEXT ON THE BACK!
THE CARD DIMENSIONS ARE APPROXIMATELY 2 5/8 '' x 1 3/8 '' or 6.5 cm. x 3.5 cm.

THIS IS AN ORIGINAL c90 YEAR OLD TRADE ADVERTISING CARD
THE TITLE ON THIS CARD IS:
COMPOSITIONS OF A STAR
Spectroscopes are used to determine composition of stars a. each glowing element displays unique "fingerprint" when viewed through a spectroscope b. scientists determine composition of stars by matching star's fingerprint to fingerprint of known elements
1. Most common elements in stars are hydrogen (h) and helium (he) a. H is lightest element in the universe b. He is second lightest element c. H and He account for about 96-99% of a star's mass
2. Other elements commonly found in stars are oxygen (O), neon (Ne), carbon (C), and nitrogen (N).
NOTE: THE REVERSE SIDE HAS TEXT ABOUT THE IMAGE ON THE FRONT SIDE ABOVE IS THE SCAN OF THE BACK OF ONE CARD FROM THIS SERIES JUST AS AN EXAMPLE! IT MAY NOT THE BACK OF THIS CARD!
THE CARD DIMENSIONS ARE APPROXIMATELY 2 5/8 '' x 1 3/8 '' or 6.5 cm. x 3.5 cm. NOTE: THE IMAGE ABOVE IS LARGER THAN THE CARD TO SHOW THE DETAIL. SEE SCALED IMAGE ABOVE.
THIS CARDS IS NOT A MODERN REPRODUCTION THIS CARD IS c90 YEARS OLD
IT IS NOT PERFECT AND THIS CARD MAY HAVE SLIGHT PAPER LOSS SMUDGING ROUNDED CORNERS SURFACE CREASE SEE THE IMAGES ABOVE! 29

WE COMBINE SHIPPING BUY 1 TO 4 TRADE ADVERTISING CARDS AND THE TOTAL TO SHIP IS $2 BUY 5 TRADE ADVERTISING CARDS AND SHIPPING IS FREE NOTE: ON LARGER INTERNATIONAL ORDERS WE MAY REQUIRE REGISTERD MAIL AND WILL SPLIT THE COST WITH THE BUYER. INQUIRE IF CONCERNED!

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