Mars orbiter snaps 1st image of Curiosity rover driving on the Red Planet (photo)

Climate change leading threat to at-risk species in the U.S. | Mars orbiter snaps 1st image of Curiosity rover on the move | April's new moon will meet Venus and Saturn this weekend Created for znamenski.spacecom@blogger.com | Web Version April 25, 2025 CONNECT WITH SPACE.COM       Something amazing every day. SIGN UP ⋅   WEBSITE   The Launchpad (NASA's Scientific Visualization Studio) Climate change leading threat to at-risk species in the U.S. In a landmark shift, a new study has found that climate change is now the most pervasive human-caused threat to imperiled species in the United States, surpassing other long-standing hazards like habitat loss, pollution and invasive species for the first time. Read More (NASA/JPL-Caltech/University of Arizona) Mars orbiter snaps 1st image of Curiosity rover on the move NASA's Mars Reconnaissance Orbiter (MRO) just snapped an off-Earth action shot the likes of which we've never seen before. On Feb. 28, MRO's HiRISE (High-Resolution Imaging Science Experiment) camera captured NASA's Curiosity rover making tracks across Mars' huge Gale Crater. Read More Skywatching (Starry Night) April's new moon will meet Venus and Saturn this weekend The new moon occurs April 27, and a day later Venus and Saturn will make a close approach to each other (known as a conjunction) in the predawn sky. New moon nights are good for skywatchers who want to catch fainter objects or meteors; the fact that the moon isn't out means its light won't overwhelm them; for example one can see the Milky Way from a dark sky site much more easily when the moon is below the horizon, which is the case for the entire night of the new moon. Read More Spaceflight (CCTV) China's Shenzhou 20 astronauts arrive at Tiangong station China's latest astronaut crew has reached its orbital destination. The three-person Shenzhou 20 mission arrived at China's Tiangong space station today (April 24) at 11:49 a.m. EDT (1549 GMT), beginning a six-month stay aboard the outpost. Their off-Earth chase was brief: Shenzhou 20 launched atop a Long March 2F rocket from Jiuquan Satellite Launch Center in northwest China today at 5:17 a.m. EDT (0917 GMT; 5:17 p.m. Beijing time). Read More Science & Astronomy (NASA) Scientists not sure how Mars got its water Though Mars, the Red Planet, is a vast and inhospitable land today, scientists think it once resembled our very own Earth - the Blue Planet, if you will. More specifically, experts say Mars once had a warm, wet climate, and their belief is based on striking geological features on the now-barren world, such as vast valley networks likely carved by flowing water. It's unclear where Mars' water could have come from, and most climate models predict the world exhibits surface temperatures that are far too cold to sustain liquid water, raising questions about how those visible geological features could have formed. Read More SpaceX (SpaceX) SpaceX Falcon 9 rocket launches 28 more Starlink satellites SpaceX continues its steady pace of Starlink launches, ever growing the company's orbital internet constellation. A Falcon 9 rocket launched SpaceX's Starlink 6-74 mission Thursday night, April 24, out of Florida's Space Coast. Liftoff occurred at 9:52 p.m. ET (0152 GMT, April 25) from Launch Complex-40 (LC-40) at Cape Canaveral Space Force Station. Read More Search for Life (Robert Lea (created with Canva)) Super-Earth exoplanets are more common than we thought Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought -- and this implies these rocky, or "terrestrial," worlds are far more common than was suspected. Super-Earths, in short, are planets with masses up to 10 times that of our planet, but still less than the masses of gas giant planets. Read More   Sign Up  |    Update Profile  |    Unsubscribe Privacy Policy  |    Cookies Policy  |    Terms and Conditions CONTACT US: FEEDBACK  |    ADVERTISE Future US LLC © Full 7th Floor, 130 West 42nd Street, New York, NY, 10036

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Seminars Digest, Vol 74, Issue 6

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Today's Topics:

1. Автобус 25.04.25г (Наталья Медведева)
2. Friday 25.04.2025 (Stanislav Apostolov)

----------------------------------------------------------------------

Message: 1
Date: Thu, 24 Apr 2025 16:45:30 +0300
From: Наталья Медведева <nmedvedeva@itp.ac.ru>
To: seminars@itp.ac.ru, staff@itp.ac.ru, students@itp.ac.ru
Subject: [Landau ITP Seminars] Автобус 25.04.25г
Message-ID: <b2e1a3c8-b435-482d-a734-643777550fef@itp.ac.ru>
Content-Type: text/plain; charset=UTF-8; format=flowed

Уважаемые сотрудники и студенты!

На завтра 25.04.25г. в 10-05 автобус запланирован.

Место сбора 11-я парковая, поворот на Щелковское шоссе.
Форд-Транзит  А 797МА 150

тел. 8-903-019-86-80
Владимир Николаевич

https://yandex.ru/maps/213/moscow/?from=mapframe&indoorLevel=1&ll=37.804151%2C55.809870&mode=usermaps&source=mapframe&um=constructor%3A1gjtTU9HvRzE3mvpCCP6B_Io424BFoMD&utm_source=mapframe&z=17.4

С уважением

Н. Н.

------------------------------

Message: 2
Date: Thu, 24 Apr 2025 17:47:16 +0300
From: Stanislav Apostolov <sapostolov@itp.ac.ru>
To: staff@itp.ac.ru, students@itp.ac.ru, seminars@itp.ac.ru
Subject: [Landau ITP Seminars] Friday 25.04.2025
Message-ID: <f3c567224232e7ba01d70f03ac39f5f5@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Уважаемые коллеги!

На заседании Ученого совета ИТФ в пятницу 25.04 в 11:30 будет заслушан 1
доклад:
1). Н.А. Иногамов
Аномальное пропускание света оптически толстыми пленками никеля,
являющимися оптоакустическими трансдьюсерами

Технологии, связанные с ультратонкими пленками, имеют важное значение
для микроэлектроники. В этой связи много внимания обращают на
механические и оптические свойства пленок. В настоящей работе
исследованы пленки никеля на подложке из стекла. Обнаружен неожиданный
эффект прозрачности пленок для света с пропусканием 1-10% падающего
излучения. При этом пленки, во-первых, имеют толщину достаточно большую
по отношению к толщине скин-слоя 12-13 нм; поэтому такое пропускание
названо «аномальным». И, во-вторых, сохраняют свои упругие механические
характеристики, которые не отличаются от свойств абсолютно однородных и
с фиксированной толщиной пленок. Соответственно наши пленки действуют
стандартно в качестве акустических резонаторов и в качестве излучателей
акустических волн в подложку (трансдьюсеры). Аномальное пропускание
света объясняется неоднородной структурой пленки. При этом пропускание
света позволяет видеть через пленку бриллюэновские интерференционные
осцилляции, связанные с распространением акустических волн в подложке.

DOI: 10.31857/S0044451025050049

ЖЭТФ, Том 167, Вып. 5, стр. 645 (Май 2025)

DOI: 10.1134/S1062873824710006
Bulletin of the Russian Academy of Sciences: Physics, том 88, издание
S3, страницы S450-S456 Дата публикации: 2024-12-01

ID и пароль онлайн-трансляций в Zoom те же, что и для предыдущих
трансляций семинаров и докладов на Ученом совете:
https://zoom.us/j/96899364518?pwd=MzBsR2lYT0lYL2x2b1oyNU9LeWlWUT09
Meeting ID: 968 9936 4518
Пароль: 250319

На завтра 25.04.25г. в 10-05 автобус запланирован.

Место сбора 11-я парковая, поворот на Щелковское шоссе.
Форд-Транзит А 797МА 150

тел. 8-903-019-86-80
Владимир Николаевич

https://yandex.ru/maps/213/moscow/?from=mapframe&indoorLevel=1&ll=37.804151%2C55.809870&mode=usermaps&source=mapframe&um=constructor%3A1gjtTU9HvRzE3mvpCCP6B_Io424BFoMD&utm_source=mapframe&z=17.4
[1]

Links:
------
[1]
https://yandex.ru/maps/213/moscow/?from=mapframe&indoorLevel=1&ll=37.804151%2C55.809870&mode=usermaps&source=mapframe&um=constructor%3A1gjtTU9HvRzE3mvpCCP6B_Io424BFoMD&utm_source=mapframe&z=17.4
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