Mars Poster
$15.00; set of 4, $60.00
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Item# 05-5013
Dark Matter
$5.00
You’ve never seen dark matter? It accounts for 23 percent of mass in the universe—about five times more than visible matter. It cannot be directly observed and scientists aren’t even sure it exists. It’s like the Loch Ness Monster of the cosmos. One pint, contained in a tin-plated steel container.
Notes
Designed by Thad Boss. Writing by Bethany Jean Clement, Paul Hughes.
Suitable for ages eight and up.
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