Episode 4: Exciting! Summer Camp!
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Summer Camp! The students are going to the Geological Museum, JAXA, and more. Sakura gets unusually excited looked at different minerals and fossils while Ino gets excited watching her. On the other hand, Monroe, Mira, and Ao get excited over rockets and artificial satellites. Mira and Ao try asking different people for information on discovering asteroids, but they aren't able to gather any clues. Though after enjoying a barbeque and some stargazing at the home of Endou-sensei's grandparents, their teacher digs up something...
Then, after thousands of years of being pressed under the weight of the mud
،ثمّ يتمّ ضغطه تحت ثقل الطين وتتخلّل المعادن من خلاله
Dann wird es durch das Gewicht des Sandes
zerdrückt und Mineralien sickern durch.
El peso del lodo
y la filtración de minerales,
El peso del barro
y la filtración de minerales
Sous le poids de la boue,
des minéraux s’infiltrent dans le corps,
A quel punto, schiacciati dal peso del fango, 
iniziano ad assorbire minerali, e dopo migliaia di anni
Então, ele fica sob o peso da
lama e se mistura com minerais,
Затем под давлением грязи внутрь 
тысячелетиями проникают минералы,