Sretno Valentinovo svima koji slave
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Tko je rekao da NASA nista ne radi?
Mars is red.
— NASA (@NASA) February 15, 2019
Neptune is blue.
From across the universe,
We shared #ValentinesDay with you.
Take a look back at some of the out-of-this-world puns, cards and more:https://t.co/Vj5xnokWhO