「綿菓子のように軽い」惑星発見 木星の1.5倍の大きさ、重さはわずか14%
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A planet “light like cotton candy” discovered: 1.5 times the size of Jupiter and only 14% heavier
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A planet “light like cotton candy” discovered: 1.5 times the size of Jupiter and only 14% heavier
学術誌「ネイチャー・アストロノミー」に14日に発表された研究によると、天文学者らは「WASP―193b」と名付けられた珍しい惑星を新たに発見しました
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Astronomers have discovered a new rare planet named WASP-193b, according to a study published in the journal Nature Astronomy on the 14th.
![label.tran_page](https://easyjapanese.net/frontend/images/ic_enter.png)
Astronomers have discovered a new rare planet named WASP-193b, according to a study published in the journal Nature Astronomy on the 14th.
この惑星は木星の約1.5倍の大きさにもかかわらず、これまでに発見された惑星の中で2番目に軽いです
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Despite being about 1.5 times larger than Jupiter, this planet is the second lightest planet ever discovered.
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Despite being about 1.5 times larger than Jupiter, this planet is the second lightest planet ever discovered.
地球から約1200光年離れた太陽系の外に位置するWASP―193bは、科学的に奇妙というだけにとどまらない
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Located approximately 1,200 light-years from Earth in the outer reaches of our solar system, WASP-193b is more than just a scientific oddity.
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Located approximately 1,200 light-years from Earth in the outer reaches of our solar system, WASP-193b is more than just a scientific oddity.
この太陽系外惑星は非定型的な惑星形成を研究するうえで重要な意味を持つ可能性もあるという
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This extrasolar planet may have important implications for studying atypical planet formation.
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This extrasolar planet may have important implications for studying atypical planet formation.
マサチューセッツ工科大学(MIT)の研究者はニュースリリースの中で、「この惑星は非常に軽いため、類似の固体物質を考えるのは難しい」と述べました
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”This planet is so light that it is difficult to think of similar solid materials,” the Massachusetts Institute of Technology (MIT) researchers said in a news release.
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”This planet is so light that it is difficult to think of similar solid materials,” the Massachusetts Institute of Technology (MIT) researchers said in a news release.
「この惑星が綿菓子に近いのは、どちらも固体ではなく軽い気体でできているからだ
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``This planet resembles cotton candy because both are made of light gases rather than solids.
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``This planet resembles cotton candy because both are made of light gases rather than solids.
この惑星は
基本的にものすごく
ふわふわしている」
研究者らはWASP―193bは、そのほとんどが水素とヘリウムからできていると考えていますが、この惑星の密度が大きさの割に非常に低いため質量の計算は困難を極めました