Constellations in a canister

Science

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NASA has a simple how-to on making constellations inside old film canisters to better identify them when you’re out stargazing – [via] – Link.

4 thoughts on “Constellations in a canister”

bf5man_ says:

August 1st, 2006 at 6:07 am

Cool trick, You could add a LED trowie in them so they would illumate in the dark.
Oracle1729 says:

August 1st, 2006 at 4:14 pm

Why would you put a magnet inside the film can?

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