March 22, 2018, 1:53 a.m.

There's Always Pi!

Just by determining how circular a given crater is – using pi and the crater’s perimeter and area – planetary geologists can reveal clues about how the crater was formed and the surface that was impacted.

There's Always Pi!

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tutti - social network

Tutti is the simplest social network on internet. Here you can make friends, create communities, sell things, make surveys, comment and share stuff.

March 21, 2020, 2:32 p.m.

on Art

Nov. 1, 2018, 1:17 p.m.

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on Love

Jan. 23, 2019, 1:32 p.m.

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Sept. 6, 2018, 7:55 p.m.

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Aug. 11, 2019, 5:36 a.m.

Solo an metido polvo,con la exterminadora porque ya estan en quiebra.

Exploding Stars Make Key Ingredient Found in Glass on Science stuff

Nov. 22, 2018, 6:37 a.m.

A new study using observations by NASA's Spitzer Space Telescope reports for the first time that silica — one of the most common minerals found on Earth — is formed when massive stars explode.

Exploding Stars Make Key Ingredient Found in Glass

https://www.nasa.gov/image-feature/exploding-stars-make-key-ingredient-found-in-glass/

Little Planet Lookout on Science stuff

Nov. 10, 2018, 9:22 a.m.

Little Planet Lookout

APOD: 2018 November 9 - Little Planet Lookout

https://apod.nasa.gov/apod/ap181109.html

April 25, 2019, 10:34 p.m.

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