火星の塵旋風の音、米NASA探査車が初めて収録
American NASA rover records the sound of a Mars dust devil for the first time
American NASA rover records the sound of a Mars dust devil for the first time
火星の塵がつむじ風に巻き上げられ、太古の湖の地を探査する米航空宇宙局(NASA)の火星探査車「パーサビアランス」の上空を吹き抜けました
A whirlwind on Mars blew through the sky right above “Perseverance,” a National Aeronautics and Space Administration (NASA) probe that was investigating the earth at an ancient lakebed.
A whirlwind on Mars blew through the sky right above “Perseverance,” a National Aeronautics and Space Administration (NASA) probe that was investigating the earth at an ancient lakebed.
探査車は搭載のマイクを使ってこの火星の塵旋風の音を初めて収録しました
Using a microphone that the rover was equipped with, the sound of a Mars dust devil was recorded for the first time.
Using a microphone that the rover was equipped with, the sound of a Mars dust devil was recorded for the first time.
塵旋風は火星の気象パターンの一部で、頻繁に発生します
Dust devils are a part of Mars’ weather patterns, and they frequently occur.
Dust devils are a part of Mars’ weather patterns, and they frequently occur.
これまでに画像や気象データは収集され、塵の測定が行われて、NASAの火星探査機「インサイト」は塵旋風が発生させた地震信号や磁気信号も記録していました
Up until now, pictures and weather data were collected, dust measurements were performed, and NASA’s Mars rover “Insight” also recorded seismic and magnetic signals generated by dust devils.
Up until now, pictures and weather data were collected, dust measurements were performed, and NASA’s Mars rover “Insight” also recorded seismic and magnetic signals generated by dust devils.
しかし今回収録されるまで、音声のみが欠けていました
However, until this recording, the only thing that was missing was the sound.
However, until this recording, the only thing that was missing was the sound.
2021年2月に火星に着陸したパーサビアランスは、火星に初めてマイクを持ち込みました
Perseverance, which landed on Mars in February of 2021, brought a microphone to Mars for the first time.
Perseverance, which landed on Mars in February of 2021, brought a microphone to Mars for the first time.
同年9月27日、塵旋風が真上を通過した時に、たまたまマイクのスイッチが入っていたことから音声が収録できました
That same year on September 27th, while a dust devil was passing directly overhead, the sound was recorded because the microphone was switched on by chance.
That same year on September 27th, while a dust devil was passing directly overhead, the sound was recorded because the microphone was switched on by chance.
この研究は13日の科学誌ネイチャー・コミュニケーションズに発表されました
This research was presented on the 13th in the scientific journal Nature Communications.
This research was presented on the 13th in the scientific journal Nature Communications.