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astropierre's profile
astropierre
astropierre
astropierre
@astropierre

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astropierre

@astropierre

Ici, on parle de Science, mais pas que... Posez-moi vos questions, ça ne coûte rien

Lyon, France
Joined December 2012

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    astropierre‏ @astropierre Jun 23

    Avez-vous déjà vu... un croissant de Vénus à côté d'un croissant de Lune ? Maintenant oui... http://bit.ly/2KiAKRK pic.twitter.com/zzWpeyMygQ

    11:12 AM - 23 Jun 2018
    • 3,038 Retweets
    • 8,874 Likes
    • 🐭 peter parker Petra Benkö Tom miss.lezard Yonna Terence tuile Joanna Christophe FENDER
    71 replies 3,038 retweets 8,874 likes
      1. New conversation
      2. Romain R‏ @RRphotographies Jun 24
        Replying to @astropierre

        Dans le même thème, Jupiter, ses satellites et la lune, hier soir 👋pic.twitter.com/fswEeE6hjp

        3 replies 45 retweets 120 likes
      3. Le Pou Liseur‏ @amentiba Jun 24
        Replying to @RRphotographies @astropierre

        Mince je croyais que c'était Vénus...

        1 reply 0 retweets 0 likes
      4. astropierre‏ @astropierre Jun 24
        Replying to @amentiba @RRphotographies

        Avec 3 jolis satellites qui lui courent après ? Impossible.

        2 replies 0 retweets 6 likes
      5. Romain R‏ @RRphotographies Jun 24
        Replying to @astropierre @amentiba

        Et même 4 si tu zommes sur la photo, on aperçoit Io collé a droite de Jupiter 😊

        1 reply 0 retweets 5 likes
      6. astropierre‏ @astropierre Jun 24
        Replying to @RRphotographies @amentiba

        Ah mais oui, carrément !

        1 reply 0 retweets 4 likes
      7.  🇫🇷Allen D. 🇫🇷‏ @kandaleto Jun 24
        Replying to @astropierre @RRphotographies @amentiba

        Aaahhh. Titan et ses océans de méthane. Vacances de rêve 😁

        1 reply 0 retweets 1 like
      8.  🇫🇷Allen D. 🇫🇷‏ @kandaleto Jun 24
        Replying to @kandaleto @astropierre and

        .... sauf que Titan est un satellite de Saturne. Et merde. Faites pas gaffe, je retourne dans mon anonymat 😄

        0 replies 0 retweets 5 likes
      9. End of conversation
      1. New conversation
      2. α ℓ'αммσทiαqυє 〲 🇷🇪‏ @loaane00 Jun 25
        Replying to @astropierre

        Comment ça se forme un croissant de Vénus ?

        1 reply 1 retweet 1 like
      3. astropierre‏ @astropierre Jun 25
        Replying to @loaane00

        le soleil l'éclaire de l'autre côté, et le côté tourné vers la Terre est sombre, à part le petit croissant

        1 reply 0 retweets 2 likes
      4. α ℓ'αммσทiαqυє 〲 🇷🇪‏ @loaane00 Jun 25
        Replying to @astropierre

        Ah d'accord 🙂 (j'ai pas compris mais t'inquiète 👍🏽)

        1 reply 0 retweets 0 likes
      5. astropierre‏ @astropierre Jun 25
        Replying to @loaane00

        Vénus est entre le Soleil et la Terre. Donc le Soleil éclaire l'autre côté de Vénus. Le côté qui est tourné vers la Terre est sombre. https://fr.wikipedia.org/wiki/Phases_de_V%C3%A9nus …

        1 reply 0 retweets 1 like
      6. α ℓ'αммσทiαqυє 〲 🇷🇪‏ @loaane00 Jun 25
        Replying to @astropierre

        Donc la face qui est tournée vers nous on ne la voit pas

        1 reply 0 retweets 0 likes
      7. astropierre‏ @astropierre Jun 25
        Replying to @loaane00

        voilà. On ne voit qu'une toute petite partie de la face éclairée, ce qu'on appelle le croissant.

        1 reply 0 retweets 1 like
      8. α ℓ'αммσทiαqυє 〲 🇷🇪‏ @loaane00 Jun 25
        Replying to @astropierre

        Merci, c'est beaucoup plus clair 😊

        0 replies 0 retweets 1 like
      9. End of conversation
      1. New conversation
      2. Encore moi, oui‏ @l_billat Jun 24
        Replying to @astropierre @Bouletcorp

        C'est complexe d'observer un croissant de Venus à l'oeil nu...

        1 reply 1 retweet 3 likes
      3. astropierre‏ @astropierre Jun 24
        Replying to @l_billat @Bouletcorp

        A l'œil nu c'est littéralement impossible. Il faut un petit instrument pour cela, en effet.

        1 reply 2 retweets 4 likes
      4. Encore moi, oui‏ @l_billat Jun 24
        Replying to @astropierre @Bouletcorp

        Même dans des conditions idéales pour le faire, c'est impossible ?

        1 reply 0 retweets 2 likes
      5. astropierre‏ @astropierre Jun 24
        Replying to @l_billat @Bouletcorp

        Je ne peux que te conseiller d'essayer ces prochaines nuits et de revenir me faire part de tes observations 😉

        0 replies 0 retweets 4 likes
      6. End of conversation
      1. New conversation
      2.  💥wsh canapeche 😼‏ @CharlesPodo Jun 25
        Replying to @astropierre

        Mais il est enooorme :0

        1 reply 0 retweets 1 like
      3. astropierre‏ @astropierre Jun 25
        Replying to @CharlesPodo

        le croissant de Lune, oui, forcément, elle est juste à côté de la Terre. Quand au croissant de Vénus, il est minuscule à cause de sa distance...

        1 reply 0 retweets 2 likes
      4.  💥wsh canapeche 😼‏ @CharlesPodo Jun 25
        Replying to @astropierre

        Quoi ? Je pensais que l'énorme croissant c'était Venus moi :0

        2 replies 0 retweets 2 likes
      5. astropierre‏ @astropierre Jun 25
        Replying to @CharlesPodo

        Vénus est bien plus loin que la Lune. Elle apparaît donc plus petite dans le ciel.

        0 replies 0 retweets 2 likes
      6. End of conversation

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