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「火星に虹が出現？」探査車の写真に世界が騒然

t.taka 2021-04-07 628件のコメント

《記事要約》

「火星の地表で虹の撮影に成功か」と、アメリカ航空宇宙局（NASA）が公開した写真が世界中で話題になっている。その意外な正体が明らかになった。

火星探査車「パーサビアランス」は2月に火星のジェゼロクレーターに着陸して、探査を続けている。搭載していた小型ヘリコプター「インジェニュイティ」の切り離しに成功し、4月11日以降に初飛行する予定だ。

この小型ヘリの切り離した翌日の4月4日、「パーサビアランス」に取り付けられた危険防止カメラが撮影した写真のうち数枚に、虹のようなものが写っていた。空も地表も真っ黄色の中で、地平線から弧を描くように大きな虹が出ているように見える。

地球に比べると非常に薄い大気しかないはずの火星で虹が出現したのだろうか。NASAの公式見解はなかったが、世界中のSNSで話題となり「雲の中の氷の結晶に反射した結果だ」「大気中のチリが原因だ」などと推測する声が相次いでいた。

しかし、気象の専門家であるマーシャル・シェパード博士がForbesに記事を寄稿したことで真相が明らかになった。

シェパード博士の取材に、NASAの太陽系探査計画を指揮するデイブ・ラベリー氏は「絶対に虹ではない。カメラレンズの内部反射だ」という見解を示したという。
「これらの写真が撮影されたのは火星の現地時間午後2時。カメラはほぼ真っ直ぐ南を向いている」とラベリー氏は指摘した。これらの条件は、カメラ内部で反射光が生じやすいという。

記事全文：https://www.huffingtonpost.jp/entry/mars-rainbow_jp_606c26a2c5b6832c793b44f0

　

　

ネットの反応

　

に、しても。
この写真は火星に対する好奇心を沸き立たせるには充分過ぎる程綺麗に虹が映っている。

　

NASAが好奇心を煽いでいるのか、記事の記者が故意に煽っているのか。
「世界が騒然」・・な訳ないと思うが・・・

　

おーこれが火星と火星の虹か
どっか地方の田舎の景色と　たいして変わんないなｗｗｗ

　

レンズのいたずら

　

「火星の虹」ってタイトルのSF小説あったな

　

この写真の中に微生物一匹もいないなんて信じられんわ

　

ホントに火星の風景ってみてるとなにかわからないけれど
モヤッとした不思議な気分がする

　

逆に地球じゃ絶対見られない自然現象とかどこかの惑星にはあるんだろうなぁ

　

月に行ってからもう何十年も経ったのに未だに火星に行けないとか
宇宙人に笑われてるな

　

絶対に虹ではないって…現地で見た訳じゃないんだから断定しないでね☆
皆で「何だろう？」と想像してた方が楽しいではないかい？

　

個人的には「これが火星の地面と景色なんだ！？」って方に目がいく

　

誰も行ったことのない世界がこんなに綺麗に見えることが凄い。

　

アリゾナかニューメキシコですな。

　

　

うおー！
火星に虹！！！
ってことは大気があって空気中に水分もあるってことかにゃ！

って記事内ですでにネタバレしてるやん。
もうちょっと夢を持たせてくれよ。。。

　

元スレ：http://asahi.5ch.net/test/read.cgi/newsplus/1617695902

　

　

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