Just my memorandum about space, astronomy, hearth and lifescience
大阪公立大学と東京大学大学院理学系研究科が2024年2月1日に発表しました。
発表リリースはこちらです。
通常の物質中では原子が振動することにより熱が伝わりますが、キラルな水晶では原子が回転しながら振動し、その波動が水晶内をらせん状に伝わる、キラルな物質特有の現象(キラルフォノン)が生じているとのことです。
右水晶では右方向、左水晶では左方向に原子が回転してしていて、角運動量を電気信号に変換して検出できるそうです。
A team, including an astronomer from the University of Hawaiʻi Institute for Astronomy (IfA), have confirmed a planetoid that is almost four times farther from the Sun than Pluto, making it the most distant object ever observed in our solar system. The planetoid, nicknamed “Farfarout,” was first detected in 2018, and the team has now collected enough observations to pin down the orbit. The Minor Planet Center has now given it the official designation of 2018 AG37.
www.hawaii.edu/news/2021/02/10/most-distant-planetoid-confirmed
九州工業大学大学院情報工学研究院の倉田博之教授が研究代表者を務める研究グループは、ヒトの全身の代謝を遺伝子レベルからシミュレーションすることができるコンピュータモデル「バーチャルヒト全代謝モデル」の開発に世界で初めて成功しました。開発したバーチャルヒト全代謝モデルを活用することで、コンピュータ上で病態が進行するメカニズムを調べたり、治療薬の効果を調べたりすることが可能となります。
www.kyutech.ac.jp/whats-new/press/entry-8089.html
国立大学法人京都大学（総長：湊 長博／以下、京都大学）と住友林業株式会社（社長：光吉 敏郎／以下、住友林業）は、「宇宙における樹木育成・木材利用に関する基礎的研究」に共同であたる研究契約を締結し、『宇宙木材プロジェクト（通称：LignoStella Project※１）』をスタートしました。2023年に木造人工衛星 （LignoSat※２）を打ち上げ、2024年3月31日まで宇宙環境下での木材物性評価や樹木育成研究を行います。
sfc.jp/information/news/2020/2020-12-23.html
NASA and ESA (European Space Agency) are moving to the next phase in a campaign to deepen understanding of whether life ever existed on Mars and, in turn, better understand the origins of life on Earth.
NASA has approved the Mars Sample Return (MSR) multi-mission effort to advance to Phase A, preparing to bring the first pristine samples from Mars back to Earth. During this phase, the program will mature critical technologies and make critical design decisions, as well as assess industry partnerships.
The first endeavor of this campaign is in progress. NASA’s Mars 2020 Perseverance rover launched in July and is set to land on the Red Planet Feb. 18, 2021. The car-size rover will search for signs of ancient microbial life. Using a coring drill at the end of its robotic arm, Perseverance has the capability to gather samples of Martian rock and regolith (broken rock and dust), and hermetically seal them in collection tubes. Perseverance can deposit these samples at designated locations on the Martian surface or store them internally.
www.nasa.gov/press-release/nasa-moves-forward-with-campaign-to-return-mars-samples-to-earth
This high-resolution still image is part of a video taken by several cameras as NASA’s Perseverance rover touched down on Mars on Feb. 18, 2021. A camera aboard the descent stage captured this shot. A key objective for Perseverance’s mission on Mars is astrobiology, including the search for signs of ancient microbial life. The rover will characterize the planet’s geology and past climate, pave the way for human exploration of the Red Planet, and be the first mission to collect and cache Martian rock and regolith (broken rock and dust). Subsequent NASA missions, in cooperation with ESA (the European Space Agency), would send spacecraft to Mars to collect these cached samples from the surface and return them to Earth for in-depth analysis. The Mars 2020 mission is part of a larger program that includes missions to the Moon as a way to prepare for human exploration of the Red Planet. JPL, which is managed for NASA by Caltech in Pasadena, California, built and manages operations of the Perseverance and Curiosity rovers. Credits: NASA/JPL-Caltech
www.nasa.gov/press-release/nasa-s-perseverance-rover-sends-sneak-peek-of-mars-landing
‘Perseverance’s First Full-Color Look at Mars’ image from the #NASA_App www.nasa.gov/image-feature/jpl/perseverance-s-first-full-color-look-at-mars
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2021年2月
Astronomy www.nasa.gov/live
FEBRUARY
Feb. 18, Thursday 12:30 p.m.—Perseverance Mars Rover landing day livestream for all students 2:15 p.m.—NASA will provide multiple feeds of live landing coverage of the Perseverance Mars Rover, leading up to the rover’s landing at approximately 3:55 p.m. EST.
NASA TV coverage, with mission commentary, will be available on this page A “clean” feed of views inside mission control and mission audio only, will be available on NASA TV’s media channel and the JPLraw YouTube Channel A 360-degree view inside mission control will be available on JPL’s YouTube channel