Le satellite chinois Longjiang-2 capture une magnifique photo de la Lune avec la Terre en arrière-plan

09 Février, 2019, 15:08 | Auteur: Therese Cote
  • La Terre et la Lune vues depuis Mars

Chaque semaine, une photo qui a fait l'actualité ou retenu notre attention.

Un " lever de Terre " photographié en juin 2018 par l'orbiteur Longjiang-2.

Depuis le début d'année, les Chinois sont en train d'explorer la face cachée de la Lune, mais la CNSA (Administration spatiale nationale chinoise) avait déjà mis en orbite autour de notre satellite naturel des satellites dont Longjiang-2, qui vient de prendre une magnifique photo de notre Terre.

Construite par l'Institut de technologie d'Harbin (Chine septentrionale), Longjiang 2 pesait 47 kg au décollage. Ce dernier a pu prendre ce cliché puisqu'il a dû s'éloigner de l'orbite lunaire afin de sécuriser l'alunissage de Chang'e 4 sur la face cachée de la Lune.

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La sonde avait depuis été mise en sommeil, afin d'éviter toute interférence avec l'atterrissage de Chang'e 4.

L'image, qui ne fait pas plus de 16 kilooctets, a été téléchargée par le télescope hollandais Dwingeloo, en 20 minutes environ.

Quelques jours après son réveil, le 3 février, Longjiang 2 a réalisé cette nouvelle image du couple Terre-Lune, laissant apparaître pour la première fois l'ensemble du disque lunaire, côté face cachée. Son téléchargement a duré vingt minutes.

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